From joer Thu Jul 13 20:34:00 1995 Return-Path: ricks Received: (from ricks@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id UAA12651; Thu, 13 Jul 1995 20:34:00 -0400 Date: Thu, 13 Jul 95 20:34:00 EDT From: Janice Ricks To: pcarney@dimacs.rutgers.edu Cc: teachers@dimacs.rutgers.edu Subject: How To FORWARD a message from dimacs Message-ID: Can anyone help??? I want to forward a message from dimacs to a different address. What do I do??? You MUST be specific!!!! What do I type ???When do I type it??? I have tried forward after the R> prompt, after the MM> prompt, and they don't work. If I am reading a message, do I have to get out of the message first? That doesn't make sense. I am frustrated. Any suggestions will be appreciated. Thanks. Janice R. From joer Thu Jul 13 22:02:13 1995 Return-Path: jhauze@postoffice.ptd.net Received: from ns1.ptd.net (home.ptd.net [204.186.99.4]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id WAA18162 for ; Thu, 13 Jul 1995 22:02:12 -0400 Received: from [204.186.11.14] (cs1-14.haz.ptd.net [204.186.11.14]) by ns1.ptd.net (8.6.12/8.6.10) with SMTP id WAA22176 for ; Thu, 13 Jul 1995 22:01:03 -0400 Date: Thu, 13 Jul 1995 22:01:03 -0400 Message-Id: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: teachers@dimacs.rutgers.edu From: jhauze@postoffice.ptd.net (Jim Hauze) Subject: WebPage for Leadership Program Hi, Folks, I believe I've finally made the database, as I just received my first cc from dimacs. I was wondering whether anyone is interested in discussing the possibilities of a web page dedicated to the leadership program. It could be a source for sharing ideas with anyone in the world interested in discrete mathematics. Two of us at our high school constructed a page dedicated to our area and our district, so perhaps I could be of help. If you have a web browser and are interested in seeing what I mean, our URL is http://146.94.3.170/WilkesDocs/JimThorpe/jthomepage.html We are currently using Wilkes as our server until our T1 line and network are up and running in the fall. Also, the caps in the URL don't seem to matter with most servers and browsers, so far as I've seen. If you have any interest or comments, I would like to hear from you. Sorry, I can't make the summer follow-up :-( Sincerely, Jim (signature under construction) From joer Thu Jul 13 23:48:58 1995 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id XAA18776; Thu, 13 Jul 1995 23:48:58 -0400 Date: Thu, 13 Jul 1995 23:48:58 -0400 From: Joe Rosenstein Message-Id: <199507140348.XAA18776@dimacs.rutgers.edu> To: ricks CC: pcarney@dimacs.rutgers.edu, teachers@dimacs.rutgers.edu In-reply-to: Subject: Re: How To FORWARD a message from dimacs What should work (that is, it works for me) is type "f" while reading the message. That should create a file on the screen which has the message you want to forward, preceded by a place where you can type in the address to which you want to forward the message. Let me know if that works. -- Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 From joer Fri Jul 14 08:38:57 1995 Return-Path: mbt Received: (from mbt@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id IAA21795; Fri, 14 Jul 1995 08:38:57 -0400 Date: Fri, 14 Jul 1995 08:38:57 -0400 From: Michelle Bartley-taylor Message-Id: <199507141238.IAA21795@dimacs.rutgers.edu> To: ricks CC: pcarney@dimacs.rutgers.edu, teachers@dimacs.rutgers.edu In-reply-to: Subject: Re: How To FORWARD a message from dimacs Janice, It's tough to say, depends on what kind of email editor you are using. Bro. Pat's probably the expert. Here from the message we type 'F' and a mailing header appears. Good luck, --Michelle -- Michelle Bartley-Taylor mbt@dimacs.rutgers.edu From joer Fri Jul 14 09:49:52 1995 Return-Path: jak@dimacs.rutgers.edu Received: from fozzie.rutgers.edu (fozzie.rutgers.edu [128.6.75.67]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id JAA23245; Fri, 14 Jul 1995 09:49:51 -0400 Received: (from jak@localhost) by fozzie.rutgers.edu (8.6.12+bestmx+oldruq+newsunq/8.6.12) id JAA22131; Fri, 14 Jul 1995 09:49:50 -0400 Date: Fri, 14 Jul 95 9:49:49 EDT From: "Jennifer A. Katinsky" To: Deborah Franzblau Subject: Re: [ricks: How To FORWARD a message from dimacs] In-Reply-To: Your message of Fri, 14 Jul 1995 08:47:04 -0400 Cc: ricks@dimacs.rutgers.edu, teachers@dimacs.rutgers.edu Message-ID: > Dear Jen--can you help Janice? Thanks--Debbie > > Date: Thu, 13 Jul 95 20:34:00 EDT > From: Janice Ricks > To: pcarney@dimacs.rutgers.edu > Cc: teachers@dimacs.rutgers.edu > Subject: How To FORWARD a message from dimacs > > Can anyone help??? > > I want to forward a message from dimacs to a different address. What do I > do??? You MUST be specific!!!! What do I type ???When do I type it??? > I have tried forward after the R> prompt, after the MM> prompt, and they > don't work. If I am reading a message, do I have to get out of the > message first? That doesn't make sense. I am frustrated. Any suggestions > will be appreciated. Thanks. > Janice R. > > Janice, If you are in mm: at the R> just type "forward" this will giver you the begining of a message and you can write a message to the person you are forwarding the message too. When you Ctrl/D or ESC out to end your message the "TO:" prompt will come up and you can type in the address you wish to forward the message to. When you hit return you will have forwarded your message. In the future, if you type "help forward" this will give you information about the command and examples. Jennifer Jennifer A. Katinsky (908)445-4592 jak@dimacs.rutgers.edu N2RDU Center for Discrete Mathematics & Theoretical Computer Science (DIMACS) Rutgers - The State University of New Jersey Systems Programmer P.O. Box 1179 CoRE Building - Busch Campus Piscataway, N.J. 08855-1179 From joer Fri Jul 14 17:31:49 1995 Return-Path: ricks Received: (from ricks@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id RAA04625 for teachers@dimacs.rutgers.edu; Fri, 14 Jul 1995 17:31:49 -0400 Date: Fri, 14 Jul 95 17:31:49 EDT From: Janice Ricks To: teachers@dimacs.rutgers.edu Subject: Thanks for the HELP Message-ID: WELL, folks, I am very thankful for the responses to my cry for help. I have learned what to do to accomplish my strange task for the next two weeks and appreciate your efforts. Muchas Gracias. Have a great summer! Janice R. From joer Tue Jul 18 16:02:37 1995 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id QAA24530; Tue, 18 Jul 1995 16:02:37 -0400 Date: Tue, 18 Jul 1995 16:02:37 -0400 From: Joe Rosenstein Message-Id: <199507182002.QAA24530@dimacs.rutgers.edu> To: teachers Subject: map coloring How many colors do you need for a map which has thirteen countries and looks like nine petals each touching its neighbors and a central hub, and themselves surrounded by three petals each touching its neighbors and four of the nine petals? This interesting problem (try it!) comes from a map drawn by one of the participants at this summer's institutes. -- Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 From joer Wed Jul 19 08:34:58 1995 Return-Path: franzbla Received: (from franzbla@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id IAA06029; Wed, 19 Jul 1995 08:34:58 -0400 Date: Wed, 19 Jul 1995 08:34:58 -0400 From: Deborah Franzblau Message-Id: <199507191234.IAA06029@dimacs.rutgers.edu> To: teachers@dimacs.rutgers.edu Subject: fractals July 1995 E-mail conversation with Bob Devaney on "Anti-Fractals" Bob Devaney is a mathematics professor at Boston University, and an expert on chaos and dynamical systems. This conversation was inspired by observations of Mary Altieri (Resident LP Institute) and Claire Passantino (Commuter LP Institute). Date: Fri, 14 Jul 1995 15:40:15 -0400 From: Deborah Franzblau To: bob@math.bu.edu Subject: anti-fractals? Dear Bob, I've been partipating over the last few weeks in the Leadership Program for Discrete Mathematics for K-8 teachers. (This is Joe Rosenstein's program here at Rutgers.) Evan Maletsky has been teaching some of his material on fractals. . . . Here's a question that's come up several times; I'm interested in hearing your answer. The question comes after people have seen the following construction of the Sierpinski triangle: stage 0 is a single triangle; in stage 1 the middle 1/4 (triangle) is removed; in stage 2, the middle 1/4 is removed from all remaining triangles; etc. The question is: "what happens if you 'get larger' rather than smaller?" In other words, what about the (infinitely large) figure you get by going from stage 0 to stage -1, -2, ... (rather than 0 to stage 1, 2, 3 ...). In fact, this is the way most teachers build the "Sierpinski Tetrahedron" in their classrooms: glue 4 tetrahedra together to make a larger tetrahedron, glue 4 of those together, etc. There are several questions here: is this new infinite object a fractal? if not, why not? (if not, is there a standard term for it? anti-fractal?, dual-fractal?); what is the relationship between this object and the Sierpinski triangle? Thanks for your help, Debbie Franzblau Date: Sun, 16 Jul 1995 14:53:03 -0400 From: bob@math.bu.edu (Robert L. Devaney) To: franzbla@dimacs.rutgers.edu Subject: Re: anti-fractals? Hi. To answer your question, the construction you mention definitely does not produce a fractal. For one thing, it does not have "fractional dimension." You really want the scaling property under magnification for a fractal. That being said, your construction should really have a name. There is an element of self-similarity in it, an appealing geometric regularity. I don't know what to call it, though. There is also Pascal's triangle, which, when written mod 2, gives this same sort of inifinite "anti- fractal." The one problem I see with your type of fractal is: ordinary fractals give remarkably good models of real-life phenomena (trees, ferns, etc.) Do yours? Hope this helps, Bob Devaney Date: Wed, 19 Jul 1995 08:17:34 -0400 From: Deborah Franzblau To: bob@math.bu.edu Subject: Re: anti-fractals? Dear Bob, Thanks for your reply. I don't know if "anti-fractals" model any real-world phenomena, but they certainly take advantage of materials available in the elementary classroom! --Debbie Franzblau From joer Sat Jul 22 21:18:52 1995 Return-Path: rtiberio@k12.oit.umass.edu Received: from k12.oit.umass.edu (rtiberio@k12.oit.umass.edu [128.119.166.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id VAA26352 for ; Sat, 22 Jul 1995 21:18:51 -0400 Received: (from rtiberio@localhost) by k12.oit.umass.edu (8.6.10/8.6.10) id VAA19674; Sat, 22 Jul 1995 21:18:49 -0400 Date: Sat, 22 Jul 1995 21:18:49 -0400 Message-Id: <199507230118.VAA19674@k12.oit.umass.edu> From: rtiberio@k12.oit.umass.edu (Ronald S. Tiberio (Wellesley HS)) To: teachers@dimacs.rutgers.edu Subject: AP Stat & Joe's Problem Cc: tiberir@idea.uml.edu Reply-To: rtiberio@k12.oit.umass.edu Hi Gang! I just returned from a one week seminar at the Taft School in Connecticut. The focus of the seminar was the proposed AP exam in statistics. This exam is slated for spring 1997. We received preliminary copies of the "acorn" booklet. ETS has a preliminary syllabus, suggested texts and software and sample questions (both multiple choice and free response). One of the things we might want to talk about during our "veterans" week is the impact on discrete mathematics courses that this AP will have. Are Lou Lobosco, Phil Reynolds, and Gisele Zangari still on the network? If so, then I have a big hello from Irene "Sam" Jovell. She was also a member of this seminar. Has anyone worked on Joe's problem? I can do it in four colors and can prove that 4 is the minimum. (I think!) See everyone on the 31st. -- R.S. (Chuck) Tiberio rtiberio@k12.oit.umass.edu Wellesley High School (617) 446 - 6290 X230 Wellesley, MA 02181 From joer Sun Jul 23 14:21:29 1995 Return-Path: rtiberio@k12.oit.umass.edu Received: from k12.oit.umass.edu (rtiberio@k12.oit.umass.edu [128.119.166.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id OAA05361 for ; Sun, 23 Jul 1995 14:21:29 -0400 Received: (from rtiberio@localhost) by k12.oit.umass.edu (8.6.10/8.6.10) id OAA24882; Sun, 23 Jul 1995 14:21:26 -0400 Date: Sun, 23 Jul 1995 14:21:26 -0400 Message-Id: <199507231821.OAA24882@k12.oit.umass.edu> From: rtiberio@k12.oit.umass.edu (Ronald S. Tiberio (Wellesley HS)) To: teachers@dimacs.rutgers.edu Subject: HP calculators Reply-To: rtiberio@k12.oit.umass.edu Hello (again!) I forgot to ask --- does anyone have an e-mail address for Hewlett- Packard calculators? -- R.S. (Chuck) Tiberio rtiberio@k12.oit.umass.edu Wellesley High School (617) 446 - 6290 X230 Wellesley, MA 02181 From joer Tue Jul 25 10:28:22 1995 Return-Path: ccunning Received: (from ccunning@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id KAA11753 for Teachers; Tue, 25 Jul 1995 10:28:22 -0400 Date: Tue, 25 Jul 95 10:28:22 EDT From: Constance Cunningham To: Teachers Subject: Veteran's Week Message-ID: To Teachers Attending Veteran's Week: I have a program group for the TI-82 that makes your calculator work like a computer with Geometer's Sketchpad. The program writer has provided a set of directions for the program and requested that his program be shared with other math teachers. I will bring this with me both on my TI-82 and on MAC disk (for Graphl Link use) to Veteran's Week and will share it with anyone interested. See you next week. Connie Cunningham ccunning@dimacs.rutgers.edu From joer Tue Jul 25 15:32:25 1995 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id PAA21093 for ; Tue, 25 Jul 1995 15:32:24 -0400 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.6.10/8.6.6) id PAA79918; Tue, 25 Jul 1995 15:31:38 -0400 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.6.10/8.6.6) id PAA57997; Tue, 25 Jul 1995 15:31:38 -0400 Message-Id: <199507251931.PAA57997@pen2.pen.k12.va.us> Subject: new address To: teachers@dimacs.rutgers.edu (all teachers) Date: Tue, 25 Jul 95 15:31:37 EDT Cc: 72303.1463@compuserve.com (scott bialor), scritchf@pen.k12.va.us (sandra critchfield), MSPIKELL@wpgate.gmu.edu (MARK SPIKELL), rpassman@ari.net (robert passman) X-Mailer: PENELM [version 2.3.1 PL11] Hi all, Fraser and I bought a house and will be moving next week...What a chore! As of August 2, the new address will be: Jackie Faillace Getgood 315 Twin Lakes Dr. Fredericksburg, VA 22401 phone: 540-372-6620 Take care. Jackie From joer Wed Jul 26 13:07:58 1995 Return-Path: franzbla Received: (from franzbla@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id NAA11986; Wed, 26 Jul 1995 13:07:58 -0400 Date: Wed, 26 Jul 1995 13:07:58 -0400 From: Deborah Franzblau Message-Id: <199507261707.NAA11986@dimacs.rutgers.edu> To: teachers Subject: veteran's HS week Hello--we've got a lot of great activities planned for the HS Vet's week focusing on geometry. I've contacted TI about borrowing some TI-92s (not yet released) which allow both graphing AND geometric constructions using Cabri (similar to geometer's sketchpad). Is there anyone out there with experience with this calculator, who could help with an informal workshop/playing session? -Debbie Franzblau From joer Wed Jul 26 20:43:15 1995 Return-Path: rtiberio@k12.oit.umass.edu Received: from k12.oit.umass.edu (rtiberio@k12.oit.umass.edu [128.119.166.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id UAA17302 for ; Wed, 26 Jul 1995 20:43:14 -0400 Received: (from rtiberio@localhost) by k12.oit.umass.edu (8.6.10/8.6.10) id UAA26827; Wed, 26 Jul 1995 20:43:10 -0400 Date: Wed, 26 Jul 1995 20:43:10 -0400 Message-Id: <199507270043.UAA26827@k12.oit.umass.edu> From: rtiberio@k12.oit.umass.edu (Ronald S. Tiberio (Wellesley HS)) To: teachers@dimacs.rutgers.edu Subject: help with phone/email Reply-To: rtiberio@k12.oit.umass.edu Does anyone have a phone number and email address for Bill Page, LP '93. He lives on Cape Cod. Thanks -- R.S. (Chuck) Tiberio rtiberio@k12.oit.umass.edu Wellesley High School (617) 446 - 6290 X230 Wellesley, MA 02181 From joer Thu Jul 27 18:09:57 1995 Return-Path: debellis Received: (from debellis@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id SAA09822; Thu, 27 Jul 1995 18:09:57 -0400 Date: Thu, 27 Jul 1995 18:09:57 -0400 From: VALERIE DEBELLIS Message-Id: <199507272209.SAA09822@dimacs.rutgers.edu> To: rtiberio@k12.oit.umass.edu CC: teachers@dimacs.rutgers.edu In-reply-to: <199507270043.UAA26827@k12.oit.umass.edu> (rtiberio@k12.oit.umass.edu) Subject: Re: help with phone/email hi chuck! the only information that i have on Bill Page is: 123 Adams Road, Concord, MA 01742. If that's not the information you wanted, and you find out where he is, please forward the info to us -- thanks. hope all is well, val From joer Thu Jul 27 18:54:20 1995 Return-Path: reuben@new-rutcor.Rutgers.EDU Received: from minkowski.rutgers.edu (minkowski.rutgers.edu [128.6.70.55]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id SAA10302 for ; Thu, 27 Jul 1995 18:54:20 -0400 Received: (from reuben@localhost) by minkowski.rutgers.edu (8.6.12+bestmx+oldruq+newsunq/8.6.12) id SAA05552 for teachers@dimacs; Thu, 27 Jul 1995 18:59:20 -0400 Date: Thu, 27 Jul 95 18:59:18 EDT From: "Reuben J. Settergren" To: teachers@dimacs.rutgers.edu Subject: Postal Bar Codes Message-ID: Hello all, I just found something really cool on the WWW: a national Address Server! Not only can you find out the ZIP+4 for most addresses in the U.S., but it will also make you a PostScript file of your address suitable for printing onto an envelope; containing (here's the key) the postal barcode! This would make great materials for the bar-code chapter of For All Practical Purposes. Here's an idea: find the addresses of all the students in your class, print and cut out the bar codes, distribute them randomly, and have the students decode them and find out who they belong to? The address of the web page is: http://www.cedar.buffalo.edu/adserv.html Enjoy, r Reuben Settergren PhD Candidate and Head Computer Bozo, Rutgers Center for Operations Research email: reuben@rutcor.rutgers.edu *** Profound .sig on request *** Reuben Settergren PhD Candidate and Head Computer Bozo, Rutgers Center for Operations Research email: reuben@rutcor.rutgers.edu *** Profound .sig on request *** From joer Tue Aug 1 20:58:25 1995 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id UAA05080; Tue, 1 Aug 1995 20:58:25 -0400 Date: Tue, 1 Aug 1995 20:58:25 -0400 From: Joe Rosenstein Message-Id: <199508020058.UAA05080@dimacs.rutgers.edu> To: teachers Subject: interesting problem At my session at the 1992-1994 middle school program, I gave the following problem which I would like to share with all of you on the network. Draw a star of David consisting of two intersecting equilateral triangles. Think of this as a graph with eighteen short edges. Take a red pencil and a green pencil, and trace the six edges of the inner hexagon in green and the other twelve edges red. You now have a red cycle and a green cycle. How many other ways are there of decomposing the original figure into a red cycle and a green cycle? (Do not count rotations or reflections.) (By "decomposing" we mean that each edge will be colored either red or green, but not both.) -- Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 From joer Thu Aug 3 17:25:06 1995 Return-Path: tbrenner Received: (from tbrenner@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id RAA24695 for teachers; Thu, 3 Aug 1995 17:25:06 -0400 Date: Thu, 3 Aug 95 17:25:06 EDT From: Trudy Brenner To: teachers Subject: discrete math video Message-ID: Hi Everyone, Thank you for responding to my cry for help for a video for my May workshop. The workshop was a success and your assistance most helpful. Joe put the call out for me and you answered. Thanks again. Hope to see many of you soon. Have a great summer! Trudy Brenner From joer Fri Aug 4 05:29:36 1995 Return-Path: dmollica Received: (from dmollica@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id FAA06112 for teachers; Fri, 4 Aug 1995 05:29:36 -0400 Date: Fri, 4 Aug 95 5:29:35 EDT From: Dianne Mollica To: teachers Subject: Montclair.gopher Message-ID: Dear "Discrete" Teachers , Can anyone send me the gopher address of Montclair Univ? (I'm interested in the list of courses for the Fall and Spring.) Thanks. Please respond (if you can) to dmollica if you find anything. Thanks, and have a good weekend! Sincerely, Sister Dianne From joer Tue Aug 8 22:12:59 1995 Return-Path: franzbla Received: (from franzbla@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id WAA12430; Tue, 8 Aug 1995 22:12:59 -0400 Date: Tue, 8 Aug 1995 22:12:59 -0400 From: Deborah Franzblau Message-Id: <199508090212.WAA12430@dimacs.rutgers.edu> To: teachers Subject: notes from the Burlington Mathfest Greetings, I just got back from the summer joint meetings of the AMS, MAA, and PME (Pi Mu Epsilon). I was especially excited to see that Jeanne Nelson (LP '94) from Hawaii was the MAA-PME invited speaker. She gave a nice overview of how the NCTM standards have affected the classroom, called "A Mathematical Kaleidoscope for Motivation and Retention". She ended with a challenge to the college and university professors in the audience to rethink their own approaches to teaching in light of the changing approaches in high school. Doris Schattschneider (who talked about art and mathematics in M.C. Escher's work at a LP followup) gave a wonderful series of 3 invited lectures on tiling and symmetry. If you haven't yet seen her book "Visions of Symmetry", try to get hold of a copy. I also spotted some folks that some of you may know from earlier summers and followups: Ron Graham, Fan Chung, Henry Pollak, Colin Adams ("The Knot Book"), Nate Dean, Jean Taylor, et al. I met Arun Nava, a former student of Br. Pat Carney, who was giving a paper on research he did in the "Research Experiences for Undergraduates" at Cornell. I was also very fortunate to meet a few outstanding members of the next generation of mathematicians. High school student Karen Almgren (daughter of "soap-bubble geometry" mathematicians Jean Taylor and Fred Almgren) had made a video simulation showing two "paintbrush hairs" (cylinders) lining up when wetted by a drop of water (using the Surface Evolver software), which Jean showed during one of her talks. Hannah (8) and Rebecca (10) Gordon accompanied their parents (both mathematicians, who gave talks just before I did in a session on graph algorithms), and amused themselves (and us) during the talks by creating a stellated dodecahedron, an icosahedron, and other neat shapes using the "zometool" kit. Best wishes, Debbie Franzblau From joer Wed Aug 9 09:55:04 1995 Return-Path: <@RUTVM1.RUTGERS.EDU:JOEYC@CUNYVM.CUNY.EDU> Received: from RUTVM1.RUTGERS.EDU (rutvm1.rutgers.edu [128.6.7.12]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id JAA16560 for ; Wed, 9 Aug 1995 09:55:04 -0400 Resent-Message-Id: <199508091355.JAA16560@dimacs.rutgers.edu> Received: from RUTVM1.RUTGERS.EDU by RUTVM1.RUTGERS.EDU (IBM VM SMTP R1.2.1MX) with BSMTP id 8433; Wed, 09 Aug 95 09:54:05 EDT Received: from CUNYVM.CUNY.EDU (NJE origin MAILER@CUNYVMV2) by RUTVM1.RUTGERS.EDU (LMail V1.2a/1.8a) with BSMTP id 0349; Wed, 9 Aug 1995 09:54:04 -0400 Received: from CUNYVM.CUNY.EDU (NJE origin JOEYC@CUNYVM) by CUNYVM.CUNY.EDU (LMail V1.2a/1.8a) with RFC822 id 7817; Wed, 9 Aug 1995 09:54:27 -0400 Resent-Date: Wed, 09 Aug 95 09:53:48 EDT Resent-From: joe malkevitch Resent-To: discretion lovers Received: from CUNYVM (NJE origin SMTP3@CUNYVM) by CUNYVM.CUNY.EDU (LMail V1.2a/1.8a) with BSMTP id 0401; Tue, 8 Aug 1995 14:58:13 -0400 Received: from math.sunysb.edu by CUNYVM.CUNY.EDU (IBM VM SMTP V2R2) with TCP; Tue, 08 Aug 95 14:58:12 EDT Received: from mail.uncc.edu by math.sunysb.edu (4.1/SMI-4.0) id AA08841; Tue, 8 Aug 95 14:53:50 EDT Received: from hbreiter-pc.uncc.edu (hbreiter-pc.uncc.edu [152.15.61.45]) by mail.uncc.edu (8.6.10/8.6.10) with SMTP id OAA14443; Tue, 8 Aug 1995 14:52:33 -0400 Date: Tue, 8 Aug 1995 14:52:33 -0400 Message-Id: <199508081852.OAA14443@mail.uncc.edu> X-Sender: hbreiter@email.uncc.edu Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: "Reiter,Ashley Melia" , mathed@math.sunysb.edu From: hbreiter%unccvm.uncc.edu@RUTVM1.RUTGERS.EDU (Harold B. Reiter) Subject: Double bubble news release X-Mailer: I thought you might be interested in this. Regards, Joe ----------------------------Original message---------------------------- >Return-Path: >To: geometry-research@forum.swarthmore.edu >Date: Tue, 08 Aug 1995 11:50:07 -0400 >From: sasson@forum.swarthmore.edu (Eric Sasson) >Organization: The Geometry Forum >Sender: geometry-research-owner@forum.swarthmore.edu >Subject: Double bubble news release > >This fell into my hands: > > >FOR IMMEDIATE RELEASE CONTACT: Kathleen Holmay >DATE FORWARDED: August 7, 1955 301-942-9595 > > The following news release from the > University of California, Davis News Service > describes an announcement made yesterday in > Burlington, VT > >UC Davis News Release >August 3, 1995 > >Contact: >Joel Hass, Mathematics Dept. >(916) 752-1082 or 753-4645 (h), hass@math.ucdavis.edu >or Frank Morgan, Bubble Session Organizer >(413) 597-2437, frank.morgan@williams.edu >or Roger Schlafly, Real Software >(408) 476-3550, rschlafly@attmail.com >or Carol Cruzan Morton, News Service >(916) 752-7704, ccmorton@ucdavis.edu > >EDITOR'S NOTE: To reach Hass and Morgan at the mathematics >meeting Aug. 6-8, reporters should leave a message at the >registration desk, (802) 656-7779 or 656-7776. Color images >are available in electronic formats. > >Double Bubbles Designed by Nature Are Best Containers, >Mathematicians Say > > DAVIS, Calif. - Of all the possible shapes in the world, >the "double bubble" is the most efficient at enclosing two >equal volumes, say two mathematicians from the University of >California, Davis, and Real Software in Santa Cruz, who >report having solved this problem that began 2,000 years ago. > > "There are infinitely many possible shapes for enclosing >volumes - cubes, inner tubes, cell walls, gas tanks," says UC >Davis mathematics professor Joel Hass. "As it turns out, >nature's soap bubbles are the best." > > Using a computer, Hass and colleague Roger Schlafly, >president of Real Software, proved that two spherical bubbles >optimally attached to each other require the least surface >area necessary to enclose two equal volumes. Hass is >presenting the results on Sunday, Aug. 6, at a special >session on soap bubble geometry at the 1995 Burlington >Mathfest in Burlington, Vt. > > The joint national summer meeting is sponsored by the >American Mathematical Society and Mathematical Association of >America. > > The double bubble is familiar to children who have >played with bubbles. It can be made by forcing together two >bubbles until they conglomerate into a compound bubble, with >a flat wall separating two spherical pieces. > > The mathematicians' findings may lead to practical >applications, especially where efficient containment is >important, Hass says. For example, engineers might use the >double bubble to minimize the weight of a satellite tank that >needs to hold two liquids that cannot mix, such as one gallon >of liquid oxygen and one gallon of liquid hydrogen. However, >the real usefulness of the double-bubble solution is in the >new mathematical techniques it introduces, Hass says, which >have potential applications to other problems in geometry and >global optimization theory. Global optimization refers to >problems that seek the best possible ways to maximize >results, such as attaining the biggest profits, or to >minimize results, such as using the least materials. > > For as long as balloons have been inflated and bubbles >blown, it has been recognized that the round sphere is the >most efficient shape enclosing a given volume. >Mathematicians have studied this problem since the time of >ancient Greece and have given many partial mathematical >proofs of this fact. It wasn't until 1884 that the >efficiency of a single round bubble was fully proved to the >satisfaction of the rigorous, exact standards of mathematics. > > Until this summer, the most efficient shape enclosing >two equal volumes remained uncertain. The double-bubble >problem had languished until about five years ago, when a >group of undergraduates working with mathematics professor >Frank Morgan at Williams College took up a mathematical study >of soap bubbles. By then, mathematicians assumed double >bubbles minimized surface area, but it soon became apparent >that no one knew for sure. > > An undergraduate in the program, Michael Hutchings, now >a graduate student at Harvard University, narrowed the >possible solutions, making the problem more manageable. >Other groundwork for the final solution came earlier from >mathematics professors Fred Almgren of Princeton University, >Jean Taylor of Rutgers University and Brian White of Stanford >University. >The problem was now narrowed down to two possible families of >bubbles, the standard double bubble and the "torus" bubble, >which is donut-shaped. > > Last year, during a calm stretch between rapids while >kayaking down the south fork of the American River in >Northern California, Hass and Schlafly had the idea of trying >a computer on the problem. Now, mathematicians don't >normally use computers to obtain mathematical proofs, Hass >says, because computers tend to make slight errors in doing >calculations. >"Computers usually keep about 16 decimal places of a number, >and for things like modeling an airplane that's fine," Hass >says. "But it's fatal for mathematical proofs, which need to >be proven exactly, not roughly." > > However, the researchers found a way to make it work. >They reduced the double-bubble problem to 200,260 >calculations, which the computer could run in about 20 >minutes. The final solution describes two identical bubbles >that meet at 120-degree angles and share a disk-shaped wall >whose radius is equal to one-half the the square root of 3 >times the radius of the sphere - or about 87 percent of the >radius of the sphere. > > Mathematicians did not expect that a geometrical problem >of this type would be solved on a computer, Hass says, >because the problem admits infinitely many possible >solutions, while a computer can only do a finite number of >calculations. The proof involves an exhaustive comparison of >all possible minimizing surfaces, but only after narrowing >down the possible shapes to make the search manageable. The >computation is arranged so that a finite set of calculations >can analyze an infinite number of surfaces at once. > > "It is a remarkable 2,000-year story, including the >ancient Greek geometry of Euclid and Archimedes, curved-space >geometry of Gauss and Riemann, space-age singular geometry, >recent advances by undergraduate students and the final >computer triumph by Hass and Schlafly," says Morgan, who >added a chapter on soap bubbles to the 1995 edition of his >book, "Geometric Measure Theory." Morgan organized the >special soap bubble geometry session for the Mathfest. > > ### > > >`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`' >Carol Cruzan Morton | phone: (916) 752-7704 >Science & Technology Writer | fax: (916) 752-4068 >News Service | e-mail: ccmorton@ucdavis.edu >University of California, Davis | >Davis, CA 95616 USA | >`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`' > >--eric sasson >the geometry forum > Harold B. Reiter Department of Mathematics Univ. of North Carolina Charlotte Charlotte NC 28223 internet: hbreiter@email.uncc.edu Phone: 704-547-4561, home: 704-364-5699 Fax: 704-547-3218 Chairman, American High School Mathematics Examination From joer Thu Aug 10 09:45:08 1995 Return-Path: rtiberio@k12.oit.umass.edu Received: from k12.oit.umass.edu (rtiberio@k12.oit.umass.edu [128.119.166.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id JAA05816 for ; Thu, 10 Aug 1995 09:45:07 -0400 Received: (from rtiberio@localhost) by k12.oit.umass.edu (8.6.10/8.6.10) id JAA07138; Thu, 10 Aug 1995 09:44:59 -0400 Date: Thu, 10 Aug 1995 09:44:59 -0400 Message-Id: <199508101344.JAA07138@k12.oit.umass.edu> From: rtiberio@k12.oit.umass.edu (Ronald S. Tiberio (Wellesley HS)) To: teachers@dimacs.rutgers.edu Subject: German tanks & other things Reply-To: rtiberio@k12.oit.umass.edu Hi, Gang! Those of you who attended the veterans follow up were probably very interested in the German Tank problem that was given in an early bird session. The problem appears in: An Introduction to Mathematical Statistics and its Applications by Larsen and Marx, pp. 245-247. The numbering system was used in WWII by the Germans for all pieces of military equipment - tank, V-2 rocket, automobile tire, etc. The article also gives two different ways to estimate the number of tanks both different from the one we saw at the early bird session. --------- Did anyone look at Joe's problem of the graph with 12 vertices and 18 edges looking like a star of David? Joe gave one possible solution. I could only find 7 others. --------- I have a program that will draw up to 3 boxplots simultaneously on either the TI-81 or TI-85. The program draws the plots correctly in that the whiskers extend only 1.5*IQR and outliers are indicated. If anyone is interested contact me directly. -- R.S. (Chuck) Tiberio rtiberio@k12.oit.umass.edu Wellesley High School (617) 446 - 6290 X230 Wellesley, MA 02181 From joer Fri Aug 11 18:57:19 1995 Return-Path: pcarney Received: (from pcarney@localhost) by henson.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id SAA24335 for teachers; Fri, 11 Aug 1995 18:57:19 -0400 Date: Fri, 11 Aug 95 18:57:19 EDT From: Patrick Carney To: teachers Subject: FINAL EXAM results Message-ID: Hi- Those of you who were here for the final 2 weeks of the summer had the joy of taking the FINAL EXAM and, as promissed, I am posting the results. Actually, I have only the Middle School and the HS class of '94. I don't have the HS Vets. I am typing this at Rutgers on my why from Phila. to NY. I stopped to see if perchance Debbie had them, but she is not here. At any rate, the "winner" (tests have winners?) is Barb Collinge who actually had 10 of the 11 questions correct. I guess if everyone took long drives from AZ, they would have time to learn such important matters. If you did not take the test, you may have a flavor of it when I point out some of the more creative wrong answers DIMACS does not stand for "Spending 10 cents for a hamburger at the Golden Arches -- short for 'Dime Macs'", Diverse Information May Accumulate Causing Seizures, "Discretely Imbibing More Alcohol Causes Stupidity," "Divine Intervention for Mathematics And Computer Science", CORE does not stand for "Center of Rigorous Education", "Center of Apple (computers)", "Center for Old Romantic Endeavors", "What's left over when your Apple IIe breaks", "continuous Operation Requires Energy", "Computers Our Real Environment" Nor does SERC stand for "Sexual Energy Restricts Concentration", "Simultaneous Extensions Required for Circulation", "Sex Education Research Center", "So Engineering Really Counts", "Sincere Educators Refuse Compensation" (boy, it's a good thing I decided that because of duplicates, papers with no names, and names I could not read, I wouldn't print the names of the people to whom these should be attributed, otherwise someone might have told Bill's boss about that one!), "Serious Error Recording Center", or "Silly Educators Research Center". Moving to the staff, although some of the attributes may be true (and some certainly are NOT), Val's OFFICIAL title is not "Chief Juggler", "Mad Scientist", "The energetic woman who can teach you to dance", "Dancer on the Side", "The Decomposer", "Dr. Decomposition", not "Joe's Little Helper" Similarly, Debbie is nowhere officially listed as "Dr. Triangle Puzzle", "The One Who is REALLY in Charge", "Triangle Lady from 1994", "Director of Algorithms", "The Woman who loves Computers and wears interesting earrings", nor is she the "Head Lead Teacher!" While most of what people wrote may well describe Bonnie, her OFFICIAL title is NOT "The Person who Knows Everything and Where to Find It.", "Head Honcho", "Secretary to Zeus", nor "Any questions? Call Bonnie" While I know Joe has at least 2 e-mail addresses, as far as I can tell, mail does not reach him if addressed to "Wild.tie", "joe@tiesandojsoda.rutgers", "barber2000", or jr.phone.home" Most of the wrong answers about lead teachers were just the wrong name, the only creative ones were for the French Speaking -- L'Charles Biehl and the fact that Val also got "promoted" to lead teacher (well, think of who is typing this and you wil see why I think you honored Val and Debbie by so naming them!). By the way, I was not the one who married the science teacher -- there will be a special course on Catholic Theology for those with that answer! The place where we stayed was neither "The Bates Motel" nor "Broccoli and Chicken Galore" And, finally, the question that NOBODY correctly answered. Lucy's last name is not Van Pelt nor Riccardo. That tells me who reads comic strips and watches old TV reruns (or is my age) but not who paid attention when introduced to our main contact at the Holiday Inn. If I get the rest, there will be an appendix to these. If not, enjoy. And I hope all of you get some rest for the remainder of the summer and have a great school year. I will look forward to seeing you all in Oct. As ever, Bro. Pat Carney From joer Fri Aug 11 19:06:20 1995 Return-Path: pcarney Received: (from pcarney@localhost) by henson.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id TAA24347 for teachers; Fri, 11 Aug 1995 19:06:20 -0400 Date: Fri, 11 Aug 95 19:06:19 EDT From: Patrick Carney To: teachers Subject: A significant Loss Message-ID: Hi again - In case you have not heard the news, Jennifer Katinsky, the woman who made all of our dimacs computer accounts, patiently answered all of our questions, always had her door (phone, e-mail) open for us and has been a true friend to us and the program , has resigned from Dimacs to take a position running the computer network for Silicon Graphics in CA. As I understand it, Silicon Graphics is the concern which did the special effects for Jurassic Park and Mask. While I am sure we all rejoice in this step up for her (and her husband who will also be employed there), I think we will all miss her help with accounts, workshops, and mostly her pleasant disposition no matter what fix we got her computers in. I thought you might want to drop her a line before she leaves. I believe that she has one more week at Rutgers (jak@dimacs.rutgers.edu). I hope she will keep us informed about life in the film world. I believe that the last thing she did before she resigned was work with the people who needed accounts fixed at teh workshop at SERC on 8/3/95 so I am sure we will all remember how much we owe to her. As ever, Bro. Pat Carney From joer Mon Aug 14 08:35:05 1995 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id IAA15299; Mon, 14 Aug 1995 08:35:05 -0400 Date: Mon, 14 Aug 1995 08:35:05 -0400 From: Joe Rosenstein Message-Id: <199508141235.IAA15299@dimacs.rutgers.edu> To: teachers Subject: [hbreiter@unccvm.uncc.edu: Double bubble news release] Thought you might find this all interesting! Date: Tue, 8 Aug 1995 14:52:33 -0400 X-Sender: hbreiter@email.uncc.edu Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: "Reiter,Ashley Melia" , mathed@math.sunysb.edu From: hbreiter@unccvm.uncc.edu (Harold B. Reiter) Subject: Double bubble news release X-Mailer: >Return-Path: >To: geometry-research@forum.swarthmore.edu >Date: Tue, 08 Aug 1995 11:50:07 -0400 >From: sasson@forum.swarthmore.edu (Eric Sasson) >Organization: The Geometry Forum >Sender: geometry-research-owner@forum.swarthmore.edu >Subject: Double bubble news release > >This fell into my hands: > > >FOR IMMEDIATE RELEASE CONTACT: Kathleen Holmay >DATE FORWARDED: August 7, 1955 301-942-9595 > > The following news release from the > University of California, Davis News Service > describes an announcement made yesterday in > Burlington, VT > >UC Davis News Release >August 3, 1995 > >Contact: >Joel Hass, Mathematics Dept. >(916) 752-1082 or 753-4645 (h), hass@math.ucdavis.edu >or Frank Morgan, Bubble Session Organizer >(413) 597-2437, frank.morgan@williams.edu >or Roger Schlafly, Real Software >(408) 476-3550, rschlafly@attmail.com >or Carol Cruzan Morton, News Service >(916) 752-7704, ccmorton@ucdavis.edu > >EDITOR'S NOTE: To reach Hass and Morgan at the mathematics >meeting Aug. 6-8, reporters should leave a message at the >registration desk, (802) 656-7779 or 656-7776. Color images >are available in electronic formats. > >Double Bubbles Designed by Nature Are Best Containers, >Mathematicians Say > > DAVIS, Calif. - Of all the possible shapes in the world, >the "double bubble" is the most efficient at enclosing two >equal volumes, say two mathematicians from the University of >California, Davis, and Real Software in Santa Cruz, who >report having solved this problem that began 2,000 years ago. > > "There are infinitely many possible shapes for enclosing >volumes - cubes, inner tubes, cell walls, gas tanks," says UC >Davis mathematics professor Joel Hass. "As it turns out, >nature's soap bubbles are the best." > > Using a computer, Hass and colleague Roger Schlafly, >president of Real Software, proved that two spherical bubbles >optimally attached to each other require the least surface >area necessary to enclose two equal volumes. Hass is >presenting the results on Sunday, Aug. 6, at a special >session on soap bubble geometry at the 1995 Burlington >Mathfest in Burlington, Vt. > > The joint national summer meeting is sponsored by the >American Mathematical Society and Mathematical Association of >America. > > The double bubble is familiar to children who have >played with bubbles. It can be made by forcing together two >bubbles until they conglomerate into a compound bubble, with >a flat wall separating two spherical pieces. > > The mathematicians' findings may lead to practical >applications, especially where efficient containment is >important, Hass says. For example, engineers might use the >double bubble to minimize the weight of a satellite tank that >needs to hold two liquids that cannot mix, such as one gallon >of liquid oxygen and one gallon of liquid hydrogen. However, >the real usefulness of the double-bubble solution is in the >new mathematical techniques it introduces, Hass says, which >have potential applications to other problems in geometry and >global optimization theory. Global optimization refers to >problems that seek the best possible ways to maximize >results, such as attaining the biggest profits, or to >minimize results, such as using the least materials. > > For as long as balloons have been inflated and bubbles >blown, it has been recognized that the round sphere is the >most efficient shape enclosing a given volume. >Mathematicians have studied this problem since the time of >ancient Greece and have given many partial mathematical >proofs of this fact. It wasn't until 1884 that the >efficiency of a single round bubble was fully proved to the >satisfaction of the rigorous, exact standards of mathematics. > > Until this summer, the most efficient shape enclosing >two equal volumes remained uncertain. The double-bubble >problem had languished until about five years ago, when a >group of undergraduates working with mathematics professor >Frank Morgan at Williams College took up a mathematical study >of soap bubbles. By then, mathematicians assumed double >bubbles minimized surface area, but it soon became apparent >that no one knew for sure. > > An undergraduate in the program, Michael Hutchings, now >a graduate student at Harvard University, narrowed the >possible solutions, making the problem more manageable. >Other groundwork for the final solution came earlier from >mathematics professors Fred Almgren of Princeton University, >Jean Taylor of Rutgers University and Brian White of Stanford >University. >The problem was now narrowed down to two possible families of >bubbles, the standard double bubble and the "torus" bubble, >which is donut-shaped. > > Last year, during a calm stretch between rapids while >kayaking down the south fork of the American River in >Northern California, Hass and Schlafly had the idea of trying >a computer on the problem. Now, mathematicians don't >normally use computers to obtain mathematical proofs, Hass >says, because computers tend to make slight errors in doing >calculations. >"Computers usually keep about 16 decimal places of a number, >and for things like modeling an airplane that's fine," Hass >says. "But it's fatal for mathematical proofs, which need to >be proven exactly, not roughly." > > However, the researchers found a way to make it work. >They reduced the double-bubble problem to 200,260 >calculations, which the computer could run in about 20 >minutes. The final solution describes two identical bubbles >that meet at 120-degree angles and share a disk-shaped wall >whose radius is equal to one-half the the square root of 3 >times the radius of the sphere - or about 87 percent of the >radius of the sphere. > > Mathematicians did not expect that a geometrical problem >of this type would be solved on a computer, Hass says, >because the problem admits infinitely many possible >solutions, while a computer can only do a finite number of >calculations. The proof involves an exhaustive comparison of >all possible minimizing surfaces, but only after narrowing >down the possible shapes to make the search manageable. The >computation is arranged so that a finite set of calculations >can analyze an infinite number of surfaces at once. > > "It is a remarkable 2,000-year story, including the >ancient Greek geometry of Euclid and Archimedes, curved-space >geometry of Gauss and Riemann, space-age singular geometry, >recent advances by undergraduate students and the final >computer triumph by Hass and Schlafly," says Morgan, who >added a chapter on soap bubbles to the 1995 edition of his >book, "Geometric Measure Theory." Morgan organized the >special soap bubble geometry session for the Mathfest. > > ### > > >`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`' >Carol Cruzan Morton | phone: (916) 752-7704 >Science & Technology Writer | fax: (916) 752-4068 >News Service | e-mail: ccmorton@ucdavis.edu >University of California, Davis | >Davis, CA 95616 USA | >`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`' > >--eric sasson >the geometry forum > Harold B. Reiter Department of Mathematics Univ. of North Carolina Charlotte Charlotte NC 28223 internet: hbreiter@email.uncc.edu Phone: 704-547-4561, home: 704-364-5699 Fax: 704-547-3218 Chairman, American High School Mathematics Examination -- Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 From joer Tue Aug 15 00:01:17 1995 Return-Path: Felix4446@aol.com Received: from mail04.mail.aol.com (mail04.mail.aol.com [152.163.172.53]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id AAA08535 for ; Tue, 15 Aug 1995 00:01:16 -0400 From: Felix4446@aol.com Received: by mail04.mail.aol.com (1.37.109.16/16.2) id AA005609244; Tue, 15 Aug 1995 00:00:45 -0400 Date: Tue, 15 Aug 1995 00:00:45 -0400 Message-Id: <950814235853_74731972@aol.com> To: teachers@dimacs.rutgers.edu Subject: Belated greetings Wow! It's only August (1995), and I've finally read all the mail going around from and to everyone at Discrete City. Okay, so I took "longest route" to get used to this mail thing. My best friend and Jennifer K. went back and forth several times and finally I'm with On Line and that's how I got to read everything from July, 1994, etc. Mathwize, I taught a "mini-study" entitled "Discounts" (for DIScrete math COUNTS) to both 5th and 6th graders. Each section lasted for half a year and I was pretty pleased with the results, especially with the younger group. They never ceased to amaze me with their discoveries. My source was the 1993 "White Binder" of course! When we did permutations on ice cream cone flavors (colored cotton balls), the display turned out so great that it went on display at the NCTM Conference in Somerset last Fall. On the personal side, I took this summer off to de-clutter my house from attic to cellar---to learn more computer stuff---and to read more. The first task took allllllllll of July. Goal #2 resulted in at least getting my e-mail going. The reading goal still needs attention. (I hope this personal stuff is okay and that somebody out there remembers me.) On Wednesday Aug. 16th I leave for Alaska. After the cruise part, I go inland, all the way past the Arctic Circle. Yes, I shall look for POLAR BEARS! Responses welcome. Final note: On the original list, I think my proper address was bburke @dimacas.rutgers.edu. With ON-Line, I can be reached at felix4446@aol.com. Hope to hear from some one. Barbara Burke From joer Tue Aug 15 00:45:02 1995 Return-Path: Felix4446@aol.com Received: from emout04.mail.aol.com (emout04.mail.aol.com [198.81.10.12]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id AAA08700 for ; Tue, 15 Aug 1995 00:45:02 -0400 From: Felix4446@aol.com Received: by emout04.mail.aol.com (1.37.109.11/16.2) id AA141521637; Tue, 15 Aug 1995 00:40:37 -0400 Date: Tue, 15 Aug 1995 00:40:37 -0400 Message-Id: <950814235635_74733074@aol.com> To: teachers@dimacs.rutgers.edu Subject: Belated greetings Wow! It's only August (1995), and I've finally read all the mail going around from and to everyone at Discrete City. Okay, so I took "longest route" to get used to this mail thing. My best friend and Jennifer K. went back and forth several times and finally I'm with On Line and that's how I got to read everything from July, 1994, etc. Mathwize, I taught a "mini-study" entitled "Discounts" (for DIScrete math COUNTS) to both 5th and 6th graders. Each section lasted for half a year and I was pretty pleased with the results, especially with the younger group. They never ceased to amaze me with their discoveries. My source was the 1993 "White Binder" of course! When we did permutations on ice cream cone flavors (colored cotton balls), the display turned out so great that it went on display at the NCTM Conference in Somerset last Fall. On the personal side, I took this summer off to de-clutter my house from attic to cellar---to learn more computer stuff---and to read more. The first task took allllllllll of July. Goal #2 resulted in at least getting my e-mail going. The reading goal still needs attention. (I hope this personal stuff is okay and that somebody out there remembers me.) On Wednesday Aug. 16th I leave for Alaska. After the cruise part, I go inland, all the way past the Arctic Circle. Yes, I shall look for POLAR BEARS! Responses welcome. Final note: On the original list, I think my proper address was bburke @dimacas.rutgers.edu. With ON-Line, I can be reached at felix4446@aol.com. Hope to hear from some one. Barbara Burke From joer Wed Aug 16 16:49:57 1995 Return-Path: cmontes Received: (from cmontes@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id QAA03794 for teachers@dimacs.rutgers.edu.; Wed, 16 Aug 1995 16:49:57 -0400 Date: Wed, 16 Aug 95 16:49:56 EDT From: Cynthia Montes To: teachers@dimacs.rutgers.edu Subject: free access to rutgers dimacs Message-ID: Hi, everyone. I'm finally on but I still have to pay for the LD call. Does anyone have more ideas about how to dial rutgers free from South Jersey--maybe a Fredmail near Freehold or something???? Thanks, Cyndy Montes From joer Wed Aug 16 19:55:00 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id TAA07858 for teachers@dimacs.rutgers.edu; Wed, 16 Aug 1995 19:55:00 -0400 Date: Wed, 16 Aug 95 19:55:00 EDT From: Judy Brown To: teachers@dimacs.rutgers.edu Subject: fractals in literature Message-ID: Hi Everyone, Some of you may think that I dropped off e-mail, but my hard drive has been replaced and my entire system reformatted and now I'm back. And it only took four trips to three different repair shops and a few calls to the Apple help line. Bottom line, there was a loose screw inside my computer rolling around from the first repair shop's attempt to replace my hard drive. More important things.... Look for the book "Death Qualified A Mystery of Chaos" by Kate Wilhelm It is a novel not a math book, the main plot centers around a murder trial, fractal and chaos theory provide a subplot. I couldn't put it down and couldn't wait to share it with everyone. I want to discuss the ending, but not until you've read the book. So if you do please write Judy From joer Wed Aug 23 10:50:16 1995 Return-Path: rtiberio@k12.oit.umass.edu Received: from k12.oit.umass.edu (rtiberio@k12.oit.umass.edu [128.119.166.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id KAA17674 for ; Wed, 23 Aug 1995 10:50:10 -0400 Received: (from rtiberio@localhost) by k12.oit.umass.edu (8.6.10/8.6.10) id KAA08144; Wed, 23 Aug 1995 10:49:58 -0400 Date: Wed, 23 Aug 1995 10:49:58 -0400 Message-Id: <199508231449.KAA08144@k12.oit.umass.edu> From: rtiberio@k12.oit.umass.edu (Ronald S. Tiberio (Wellesley HS)) To: teachers@dimacs.rutgers.edu Subject: polyhedra Reply-To: rtiberio@k12.oit.umass.edu HI! At the Veteran's Follow-Up this summer, we spent quite a bit of time looking at various polyhedra models. Most people (particularly students) believe that any solid whose faces are all triangular must be rigid. This is not so. In the Mathematics Magazine, vol 52, no. 5, November 1979, pp. 275-283, there is an article by Robert Connelly of Cornell entitled "The Rigidity of Polyhedral Surfaces". In this article he describes how to make two different solids. Each has triangular faces. Each one is non-rigid (that is, it can be "flexed"). One of them has only 9 vertices. In 1980 a student of mine made such a model out of a cut up manila folder. Complete measurements are given including a planar diagram. This might make a nice extra credit project for your kids. Chuck -- R.S. (Chuck) Tiberio rtiberio@k12.oit.umass.edu Wellesley High School (617) 446 - 6290 X230 Wellesley, MA 02181 From joer Thu Aug 24 04:45:25 1995 Return-Path: devizia Received: (from devizia@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id EAA12087 for teachers; Thu, 24 Aug 1995 04:45:25 -0400 Date: Thu, 24 Aug 95 4:45:25 EDT From: Kevin Devizia To: teachers Subject: Call for articles, PCTM Newsletter Message-ID: Hi everyone! To all you converted masses out there, converted to the need for great DM ideas to be brought into the educational limelight, I issue this call: I have accepted the position of Editor of the PCTM (Pennsylvania, that is) Newsletter. I issue this call for articles (not to compete with our own Debbie F., of course) on DM in the curriculum. Articles can concentrate on a specific DM topic (fractals, graph-coloring applications, etc.) or on a specific teaching level. They should be about 2 typewritten pages (double-spaced) in length, or better yet, e-mail them or send me a disk. PCTM Newsletter comes out 3 times/yr, and the next upcoming deadline (for the fall issue) is Sept. 16. Articles submitted after 9/16 will be held for the winter issue. Please contribute, and send them to: Kevin DeVizia PCTM Newsletter PO Box 478 Millrift, PA 18340 e-mail: Mathman708@aol.com From joer Thu Aug 24 18:06:52 1995 Return-Path: franzbla Received: (from franzbla@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id SAA26541; Thu, 24 Aug 1995 18:06:52 -0400 Date: Thu, 24 Aug 1995 18:06:52 -0400 From: Deborah Franzblau Message-Id: <199508242206.SAA26541@dimacs.rutgers.edu> To: teachers Subject: algebra workbook recommendations? Hello, I had an interesting query from a colleague which some of you may be able to answer. A girl who will be entering 7th grade in New Jersey is going to take the advanced eighth-grade math class (Algebra I); she'd like to have a good text or workbook to read on her own that will help her prepare for and supplement the class. She's already tried one text that my colleague describes as "absolutely horrible", which has turned her off somewhat. Can you suggest a good book that will get her excited again? Thanks, Debbie From joer Thu Aug 24 21:15:35 1995 Return-Path: LillisW@aol.com Received: from mail04.mail.aol.com (mail04.mail.aol.com [152.163.172.53]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id VAA02979 for ; Thu, 24 Aug 1995 21:15:33 -0400 From: LillisW@aol.com Received: by mail04.mail.aol.com (8.6.12/8.6.12) id VAA26147 for teachers@dimacs.rutgers.edu; Thu, 24 Aug 1995 21:15:02 -0400 Date: Thu, 24 Aug 1995 21:15:02 -0400 Message-ID: <950824211501_82706859@mail04.mail.aol.com> To: teachers@dimacs.rutgers.edu Subject: TI-82 calculators Hello Crew, Does anyone out there know of a good source for buying TI-82's at a reasonably inexpensive price? I was sure I had a good source and after many hours of searching I cannot come across it. We finally have students and parents who are willing to buy them. I noticed this year my Geometry Honors students came in knowing what fractals are and what the web is. Work is getting out! Thanks for you help, Lillis Weber From joer Fri Aug 25 09:27:29 1995 Return-Path: lobosco@brahms.udel.edu Received: from brahms.udel.edu (brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id JAA10347 for ; Fri, 25 Aug 1995 09:27:29 -0400 Received: (from lobosco@localhost) by brahms.udel.edu (8.6.10/8.6.6) id JAA25701; Fri, 25 Aug 1995 09:27:25 -0400 Date: Fri, 25 Aug 1995 09:27:25 -0400 (EDT) From: Lou Lobosco To: LillisW@aol.com cc: teachers@dimacs.rutgers.edu Subject: Re: TI-82 calculators In-Reply-To: <950824211501_82706859@mail04.mail.aol.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII I buy my TI-82's from Schoolmart. If and when you call ask for Jo Arms and tell her you were referred by me. She is very nice and I think you will be pleased with the prices. Also, she gives a 2 year warranty. The number is 1-800-285-2662. If you want to get connected to Jo, her extension is 3017. Lou Lo Bosco Phone: 302-798-6633x730 Mathematics & Computer Chairman Archmere Academy Claymont, DE 19703 On Thu, 24 Aug 1995 LillisW@aol.com wrote: > Hello Crew, > Does anyone out there know of a good source for buying TI-82's at a > reasonably inexpensive price? I was sure I had a good source and after many > hours of searching I cannot come across it. We finally have students and > parents who are willing to buy them. > I noticed this year my Geometry Honors students came in knowing what fractals > are and what the web is. Work is getting out! Thanks for you help, Lillis > Weber > From joer Sun Aug 27 19:33:55 1995 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id TAA05189 for ; Sun, 27 Aug 1995 19:33:52 -0400 Received: from cis-ts1-slip6.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA06685; Sun, 27 Aug 1995 19:33:45 -0400 Message-Id: <9508272333.AA06685@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Sun, 27 Aug 1995 19:52:59 -0500 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: jkowalcz@k12.brown.edu Greetings, It has been a while since I have been online. The move to Belmont, Ma is complete, the phone lines are finally installed in my office and I am back on track after spending a good deal of the weekdays this summer in NJ with the various LP programs and the weekends in MA and RI completing our move. While it was very exhausting the end was always in sight and has finally come to be. Last week, I took a week off from Rutgers work to take part in this summer's workshop for the Rhode Island School of the Future. 22 of us spent a very intense but very enjoyable week buidling robotic models with Lego/Logo, Control Lab, or the prototype technology; the programmable brick. The task was to build a model that would transport itself through a two-room challenge course using various sensors. My favorite invention was built by a team that had as one of its members a 95 LP participants, that is Norman Scott. His team put together a model entitled, "The Last Tango in Paris." Not only did it successfully complete the course, but it also did it with pizzaz! It began with a bit of a twirl, added some music to its routine, traveled through the course using both fixed touch, light, and bendable touch sensors, then completed its performance with an exhibition Tango. Awesome team and awesome demonstration! We also had a visiting photgrapher from Newsweek magazine on our last day of the workshop 8/25/95. My understanding is that Newsweek is putting together a short article on the programmable brick technology (which we were using in the workshop) and was there to get a picture to include with the article. I was told it would be in this week's addition. We'll see. Since the photographer took pictures of just about all of our models, all of the teachers and all of the children who were involved in Friday's activities, it will be a nice surprise to find out who or what may appear. Let me know if you come across it. I don't subscribe but I'll run to the newstand this week to take a look. That's all for now. Once I get reorganized after the summer, I begin to share with you some of the great resources that were identified through the summer program. Hope to hear from many of you. Janice From joer Sun Aug 27 20:49:22 1995 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id UAA05526; Sun, 27 Aug 1995 20:49:20 -0400 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.6.10/8.6.6) id UAA37746; Sun, 27 Aug 1995 20:49:12 -0400 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.6.10/8.6.6) id UAA35435; Sun, 27 Aug 1995 20:49:12 -0400 Message-Id: <199508280049.UAA35435@pen2.pen.k12.va.us> Subject: "Exploring The Internet" (Enrollment Form) (fwd) To: judyann@dimacs.rutgers.edu (judy brown), spicker@dimacs.rutgers.edu (susan picker), fgetgood@pen.k12.va.us (fraser getgood), scritchf@pen.k12.va.us (sandra critchfield), teachers@dimacs.rutgers.edu (all teachers) Date: Sun, 27 Aug 95 20:49:12 EDT X-Mailer: PENELM [version 2.3.1 PL11] Hi All, This came across my email from the computer specialist in our district. Thought you might be interested. Jackie According to Spectrum Universal: >From spectrum@pacificnet.net Sun Aug 27 16:01:20 1995 From: Spectrum@pacificnet.net (Spectrum Universal) To: jfaillac@pen.k12.va.us Date: Sun, 27 Aug 1995 13:01:53 -0700 Organization: Spectrum Universal, Los Angeles USA Message-ID: In-Reply-To: <199508271826.OAA86568@pen2.pen.k12.va.us> Subject: "Exploring The Internet" (Enrollment Form) Lines: 62 Welcome to our Autumn 1995 workshop, "EXPLORING THE INTERNET." To complete your enrollment, just follow these easy instructions. This workshop is sponsored by Spectrum Virtual University to raise public awareness and provide greater access to the information-rich highways of cyberspace. The workshop is FREE and the only require- ment is basic e-mail access. This form may be copied and freely distributed. Please pass along copies to others who might benefit from this workshop. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INSTRUCTIONS: To register by e-mail: Type your answers below (or if you are unable to type on this form, you may retype the headings and your answers in a separate message). Use the "Subject": ENROLL 811 and e-mail form to: spectrum@pacificnet.net To enroll by FAX: Print this enrollment form on your printer and fax to (818) 834-8221. Please fax only the form! It is not necessary to fax back these instructions. To register by touchtone telephone: Call our 24-hour "Personal Touch" registration line at (818) 899-7888 and simply follow the menus. Group Enrollments: If you are an instructor or personnel manager and you'd like to enroll a group, you may copy this form, or send us a list of e-mail addresses and we will distribute the forms automatically. Please use "Subject": "GROUP REQUEST 811" and e-mail list to: spectrum@pacificnet.net = = = = = = = = = = = = = = cut here = = = = = = = = = = = = = = = ENROLLMENT FORM SPECTRUM Virtual University Fall, 1995 Course Number : 811 Program Name : Exploring The Internet Your Student ID : ####### Your Full Name : E-Mail Address : Organization : Title : Street Address : City/Province : Postal ZipCode : Country: : Where did you hear about this workshop? (Type answer in space below) : What do you hope to learn from this workshop? (Please be specific!) : [end of form] From joer Mon Aug 28 17:27:51 1995 Return-Path: franzbla Received: (from franzbla@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id RAA03736; Mon, 28 Aug 1995 17:27:51 -0400 Date: Mon, 28 Aug 1995 17:27:51 -0400 From: Deborah Franzblau Message-Id: <199508282127.RAA03736@dimacs.rutgers.edu> To: teachers Subject: In Discrete Newsletter deadlines Don't despair---the spring/summer 1995 issue of the Newsletter should be arriving soon. I hope it will be worth the wait! (Sorry for the delay---we had a few production crises during the summer). I have already received several great articles for the fall/winter issue, but there may be room for a few more. The deadline is THIS Friday, Sept 1. If you want to submit something but can't make the deadline, let me know as soon as possible. I'm always looking for ideas for future issues. I'd especially like to get more drawings or cartoons, or "picture puzzles". Short articles on activities that you tried in your classroom are always welcome. Or, if you find a good book, video, or piece of software, send your recommendation, with a brief description, to Jan Kowalczyk, for "The Discrete Reviewer" (jkowalcz@xor.cis.brown.edu). The deadline for the next spring/summer issue is April 1. Note that articles that you've published in a local CTM newsletter (like the one that Kevin edits) or other non-copyrighted newsletter, can usually be reprinted in In Discrete Mathematics (as long as credit is given to the original publication)---or vice-versa. Best wishes for the coming school year, Debbie Franzblau (editor) From joer Tue Aug 29 05:33:18 1995 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id FAA19807; Tue, 29 Aug 1995 05:33:18 -0400 Date: Tue, 29 Aug 95 5:33:17 EDT From: Patrick Carney To: teachers, mahaney Subject: WWW Series in Post Message-ID: Hi- I thought many of you might be interested in a series on the World Wide Web and the Federal Government which runs all week in the Washington Post. Not only might it be of use yo you, but it might be a great way to get your Social Studies people involved in the Internet. I imagine most towns have a library which gets the Post. Today was an Overview, Tues: The Gov't's 3 Branches, Wed: Law & Order, Thurs.: Commerce & Environment, Fri.:HEW. Those of you who worked on it this summer and made home pages might be interested in a fact from today's article -- "in less than 3 years, Uncle Sam has launched 1000 sites on the WWW". I, for one, see it as a great use of tax money. Today's shows 3 home pages as well as quite a number of references. For those of you who haven't started school yet, enjoy your last few days of freedom. As ever, Bro. Pat Carney From joer Wed Aug 30 18:00:16 1995 Return-Path: <@RUTVM1.RUTGERS.EDU:JOEYC@CUNYVM.CUNY.EDU> Received: from RUTVM1.RUTGERS.EDU (rutvm1.rutgers.edu [128.6.7.12]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id SAA16105 for ; Wed, 30 Aug 1995 18:00:00 -0400 Message-Id: <199508302200.SAA16105@dimacs.rutgers.edu> Received: from RUTVM1.RUTGERS.EDU by RUTVM1.RUTGERS.EDU (IBM VM SMTP R1.2.1MX) with BSMTP id 1716; Wed, 30 Aug 95 17:58:20 EDT Received: from CUNYVM.CUNY.EDU (NJE origin MAILER@CUNYVMV2) by RUTVM1.RUTGERS.EDU (LMail V1.2a/1.8a) with BSMTP id 5847; Wed, 30 Aug 1995 12:58:40 -0400 Received: from CUNYVM.CUNY.EDU (NJE origin JOEYC@CUNYVM) by CUNYVM.CUNY.EDU (LMail V1.2a/1.8a) with RFC822 id 3906; Wed, 30 Aug 1995 12:14:12 -0400 Date: Wed, 30 Aug 95 12:10:21 EDT From: joe malkevitch Subject: math in the news To: discretion lovers Dear Friends, There was a nice article in the NY times a few days ago, sorry for the inprecision, about the need for new area codes and the consequences of their introduction. There will be a new 888 code for additional 800 number access since that code has been used up so fast in light of present trends. One can make a nice lesson about rates: the rate of population increase and the rate of new phone number increase. Also, in yesterday's times, there was a note about a new series of springer books under the copernicus imprint, that is being developed by Jerry Lyons, who was the editor at Freeman when for All practical purposes was published. The book announced consists of interviews with prominent mathematical computer scientists. Regards, Joe From joer Wed Aug 30 21:12:10 1995 Return-Path: depriest Received: (from depriest@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id VAA24202 for teachers; Wed, 30 Aug 1995 21:12:10 -0400 Date: Wed, 30 Aug 95 21:12:09 EDT From: DePriest To: teachers Subject: TI-82 sources Message-ID: In response to Lillis' question about decently priced TI-82's: the following places are wholesale distributors; Scantex (800) 241-0348 Wholesale Electronic (800) 880-9400 Calculators Inc. (800) 533-9921 Advantage Marketing (800) 937-9777 The prices vary so you'll have to call to find the current price. Advantage is currently selling them for $82, the others are probably comparable. -Diane DePriest From joer Wed Aug 30 22:46:30 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id WAA26694 for teachers@dimacs.rutgers.edu; Wed, 30 Aug 1995 22:46:30 -0400 Date: Wed, 30 Aug 95 22:46:30 EDT From: Judy Brown To: teachers@dimacs.rutgers.edu Subject: Have a great school year Message-ID: Greetings to all, Tomorrow is back to school day for teachers in Pleasant Valley, students start on Tuesday. Tonight I sit here thinking about my short summer vacation and the new friends I met at Rutgers and the new things that I want to try with my classes. I wanted to write something profound to wish you all a very good school year, but nothing I could say would express my feelings on the eve of this new school year better than the following quote taken from _Between Teacher and Child_ by Dr. Hiam Ginot "I have come to a frightening conclusion. I am the decisive element in the classroom. It is my personal approach that creates the climate. It is my daily mood that makes the weather. As a teacher I possess tremendous power to make a child's life miserable or joyous. I can be a tool of torture or an instrument of inspiration. I can humiliate or humor, hurt or heal. In all situations it is my response that decides whether a crisis will be escalated or de-escalated, and a child humanized or dehumanized." Help your students to find the JOY in Mathematics, be the inspiration that leads them on to the next higher level. Have a GREAT year. Judy From joer Thu Aug 31 14:49:44 1995 Return-Path: breuche Received: (from breuche@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id OAA21196 for teachers@dimacs.rutgers.edu; Thu, 31 Aug 1995 14:49:44 -0400 Date: Thu, 31 Aug 95 14:49:43 EDT From: ethel breuche To: teachers@dimacs.rutgers.edu Subject: Hello Message-ID: Dear Discreters: I wish to thank everyone this summer for another inspiring, fun and awesome two weeks of mathematics. Did you all see on television the other night about the redistricting problems of Georgia. There is a case pending right now about the legality of the most recent subdivisions of Georgia and how to redistrict it and keep a 3 of the districts that exist right now that have a black majority. The latest proposal has divided two of the black majority districts differently and the 3rd district keeps a 50% black population. Keep me posted if you hear further developments on this very interesting problem. Have a great school year!!! Ethel From joer Fri Sep 1 18:52:04 1995 Return-Path: kowen95@xenon.chem.uidaho.edu Received: from xenon.chem.uidaho.edu (xenon.chem.uidaho.edu [129.101.50.5]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id SAA03227 for ; Fri, 1 Sep 1995 18:51:59 -0400 Received: from cslip7.chem.uidaho.edu by xenon.chem.uidaho.edu with SMTP (1.38.193.4/16.2) id AA03438; Fri, 1 Sep 1995 15:51:18 -0700 Message-Id: Date: Fri, 1 Sep 95 16:55:40 MDT From: "Kristen Owen" Subject: Beginning of school To: "Rutgers Teachers" X-Mailer: VersaTerm Link v1.1.5 Hello Rutgers folks! I have just finished my first week of school here in Idaho. I wanted to write and let you all know that I too had an incredible experience as one of the elementary/middle school participants. I have enjoyed reading all of your mail it has been very inspiring! I wanted to let Valerie know about something that I tried today in my eighth grade classroom. Unfortunately, I could not find your address amoung my list so EVERYONE will get to enjoy this note to you. Valerie, remember the first week when you gave us the game boards with eight pieces two colors, four of each color. You told us the object of the game and then we had to ask questions to find out what the rules of the game were. We would play for a while and then come up with more questions about the rules. Well, I did that exact activity today with my kids, and it was great. My eighth grade students were so excited and involved in the activity. Some figured out how to solve the problem and others went home with pieces to try to solve it this weekend. I just figured out how to solve the problem this morning in my first period class, so I shared that with the students so they could see that sometimes they need patience and persistence when solving difficult problems. Thanks for the great way to teach discrete math and problem solving! Have a great year everyone!!!! For those of you who have not started yet, I sure am glad my first week is out of the way!!! Bye for now. Kristen Owen Kristen M. Owen O'Leary Junior High School Twin Falls, Idaho kowen95@xenon.chem.uidaho.edu From joer Fri Sep 1 20:27:30 1995 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id UAA04526 for ; Fri, 1 Sep 1995 20:27:29 -0400 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.6.10/8.6.6) id UAA42630; Fri, 1 Sep 1995 20:27:19 -0400 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.6.10/8.6.6) id UAA23152; Fri, 1 Sep 1995 20:27:19 -0400 Message-Id: <199509020027.UAA23152@pen2.pen.k12.va.us> Subject: Another quote for the school year To: teachers@dimacs.rutgers.edu (all teachers) Date: Fri, 1 Sep 95 20:27:18 EDT Cc: MSPIKELL@wpgate.gmu.edu (MARK SPIKELL), scritchf@pen.k12.va.us (sandra critchfield), fgetgood@pen.k12.va.us (fraser getgood), asanger@pen.k12.va.us (Annette Ruth Sanger), achicker@gmu.edu (art chickering), kpowell1@gmu.edu (karan powell) X-Mailer: PENELM [version 2.3.1 PL11] Hi all, Judy got me going now....I came across this quote and wrote up a poster for the classroom...It really says a lot. Have a great year. I've been back to work since Monday...Kids come on Tuesday, the 5th. This is the first year for the pilot course: Discrete/Pre-Algebra class I am teaching in this county. Wish me luck. I'm hoping we can add more than one section next year and spread it to the other middle schools. The high school didn't want to put it in as one of their courses so I figured...heck, why not eighth grade?! There are 28 enrolled and I had to tell the counselor to close the section! Take care and have a great time. Jackie ATTITUDE "The longer I live, the more I realize the impact of attitude on life. Attitude, to me, is more important than the past, than education, than money, than circumstances, than failures, than successes, than what other people think or say or do. It will make or break a company...a church...a home. The remarkable thing is that we have a choice every day regarding the attitude we will embrace for that day. We cannot change our past...we cannot change the fact that people will act in a certain way. We cannot change the inevitable. The only thing we can do is play on the one thing we have, and that is our attitude....I am convinced that life is 10 percent what happens to me and 90 percent how I react to it. And so it is with you...we are in charge of our attitudes." ---Charles Swindoll From joer Fri Sep 1 23:16:36 1995 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id XAA11481; Fri, 1 Sep 1995 23:16:36 -0400 Date: Fri, 1 Sep 1995 23:16:36 -0400 From: Joe Rosenstein Message-Id: <199509020316.XAA11481@dimacs.rutgers.edu> To: teachers Subject: complete list Greetings to all! Following is the current list of all teachers who are now on teachers@dimacs . Actually, we have three lists, one for those who joined us in 1995 (aptly called teachers95@dimacs), one for those who joined us in 1994 (similarly called teachers94@dimacs), and one for those who joined us in 1989-1993 (for-want-of-a-better-name called teachers93@dimacs). You can if you want send a message to only one of those groups, but it is simpler to send it to all three by sending your message to teachers@dimacs.rutgers.edu . These three lists are reproduced below. If you want to find someone's email address and you know the year they are associated with, having three separate lists will simplify your task. The first two lists are arranged alphabetically, except that the second list consists of two lists, one for the 1994 high school program and one for the 1994 middle school program. The 1995 list is presented here in the order in which it was generated during the summer; sometime soon I hope to get it alphabetized. Following is the list for teachers93: Diane Amelotte , Charles Anderson , Sheryl Baer , Vicki Barr , Chuck Biehl , Linda Boland LindaBoland@aristotle.com William Bowdish , Trudy Brenner , Ethel Breuche , Joy Brokes , Diane Brouse , Judy Ann Brown , Barbara Burke , Elaine Carman , Patrick Carney , Sr. Gertrude Carocci , Anne Carroll , Carolyn Casserly , Patricia Cline , Lynn Clough , Sister St. Paul Collard , Barbara Collinge , Charles Coronato , Julianna Csongor , Constance Cunningham , Valerie DeBellis , Yolanda Dentley , Diane DePriest , Kevin DeVizia , John Devino , Teri DiBartolo , Kathy DiChiara , Carol DiMauro , Linda Dodge , Melanie Drozdowski , Beverly Dusseault , Mary Edwards , Paula Farrenkopf , Jackie Faillace , Georgeanna Fernandez , Gary Filiault , Dave Fogle , Dale Foster , Debbie Franzblau , Carol Giesing , Frances M. Gasman , Robert Garfunkel , Mary Gordon-McGrath , Mary Beth Hanko , Sherida Hare , Ken Herskovits , Deborah Hilyard , Jim Hauze , Jane Jelinek , Daisy Jenkins , Susan Kaput , Marialice Kollar , Virginia Kostisin , Janice Kowalczyk , Rochelle Leibowitz , Karen Levine , Yanxi Liu , Louis LoBosco , Fran Lockard , Jim Lorenz , Clarence Lynn , Carolyn Maher , Evan Maletsky , Joseph Malkevitch , Barbara McIlroy , Peggy Mitchell , Jim Morris , Kathleen Nace , Linda Nelson , Joe Nidy , M.L. Okerlund , Stephen Penrice , Susan Peters , Melissa Phillips , Susan Picker , Tony Piccolino , Edward Polakowski , Nancy Rahal , Charles Ramsthaler , Janice Ricks , Willie L. Robinson , Joe Rosenstein , Jim Ruddy , Mike Saks , Kris Sandine , Doris Sares , Joan Shyers , Susan Simon , Karen Singer , Stacey Sneed , Michael Stelicos , Phyllis Tam , Chuck Tiberio , Michael Tominello , Lisa Topolovec , Amalia Trono , Becky Tunnell , David VanSchaick , Joan Vital , Lillis Weber , Rochelle Weiner , Barbara Wieczorek , Paula White Wilson , Kenneth Wolff , Jim Yankowicz Gisele Zangari , Ed Zegray , Bonnie Katz , Janice Kowalczyk Following is the list for teachers94: Robert Andersen , Patricia Burchfield , Patricia Cassady , Lara Chandler , Pamela Cropp , K. Sue Dick , Judith Fuchs , Paul Furrer , Richard Giantisco , Annamaria Grieco , Barbara Hanstedt , Susan Howell , Linda Kennedy , Jennifer McCarthy , Sherrill Mirsky , Jeanne Nelson , Sheila Panettiere , Dirk Phillips , Carol Price , Brenda Scanlon , Laura Scerbo , Deborah Sherwood , Eric Simonian , Marylu Tyndell , Virginia Urban , Sandra Waldman , Lisa Soden Winer , Beth Benjamin , Anne Burgunder , Suzanne Cadwalader , Judy Carton , Marcia Chartoff , Michael Cobb , Anne Conlon , Carol Cox-Nickles , Kristen Eastman , H. Pat Farrell , Antonia Fauntleroy , Denise Fuji McCleary , Lavon Gant , Steven Goldman , Joan Hennion , Yolanda Holmes , Susan Insolia , Janice Logan , Charlene Marchese , Elizabeth Marinello , Mary Jane McElwreath , Sheila McGraw , Sandra Mennerich , Jennifer Oney , Marcia Prill , Patricia Reisdorf , May Samuels , Paul Santoro , Linda Saun , Merrylee Schuman , Kathleen Schwieger , Lisa Suarez , Erica Voolich , K. Gale Waibel , Barbara Warren , Susan Weiss , Elmira Yancey , Joe Rosenstein , Debbie Franzblau , Val DeBellis , Tony Piccolino , Evan Maletsky , Norma Moate , Reginald Luke , Reuben Settergren , Bonnie Katz , Mary Jane Terry , Miriam Underwood , Penni Ross , Janice Kowalczyk Following is the list for teachers95: Marian Amitrani , Raj Bansal , Lorraine Carrington , Jean Fivehouse , Sandra Giger-Bishop , Roberta Goldman , Judith Grogran , Kathleen Hammer , Jane Hannon , Sharon Heil , Stacey Herold , Dolores Hines , Charlene Izone , Cynthia Jacobetz , Rosalind Kaplan-Blinder , Diana Lockner , Joan Migdalof , Diane Mollica , Lisa Phillips , Star Smith , Barbara Stapleton , Deloris Torres , Carol Tremper , Sherri Valinoti , Debra Vellios , Richard Verasca , Jane Woolbert , Dorothy Zaleski , Joe Rosenstein , Mary Altieri , Linda Bello , Donald Burnett , Kathleen Cook , Nancy Daley , Jilene Dunlap , Harriet Groner , Deborah Gwinn , Ann Lawrence , Joanne Ledman , Ann Mcclendon , Kathleen Mcmanus , Joanne Morgan , Kristen Owen , Norman Scott , Susan Smith , Judy Studebaker , Hope Yursa , Janet Amenhauser , John Thomas , Cathie Smollon , Razia Hassan , Melinda Sullivan , Sandy Allen , Doris Abraskin , Robin Akers , Lynda Chatzkel , Jannise Copeland , Suzanne Foley , Alida Frey , Patricia Friend , Linda Hall , Charles Hennessy , Nancy Hoppel , Katherine Ilardi , Paul Just , June Kelley , Mary Knuck , Linda Lund , Geri Lowray , Kathleen Mclaughlin , Cynthia Montes , Cynthia Myers , Donna Robinson , Debbie Taylor , Doris Van Alst , Kathleen Weber , Natalie Wilcox , Susan Williams , Ruth Wilson , Lisa Warner , Linda Boland LindaBoland@aristotle.com Ethel Breuche , Judy Ann Brown , Patrick Carney , Jackie Faillace , Dave Fogle , Susan Picker , Gisele Zangari , Janice Kowalczyk , Art Kalish -- Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 From joer Sat Sep 2 11:50:30 1995 Return-Path: <@RUTVM1.RUTGERS.EDU:JOEYC@CUNYVM.CUNY.EDU> Received: from RUTVM1.RUTGERS.EDU (rutvm1.rutgers.edu [128.6.7.12]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id LAA23416 for ; Sat, 2 Sep 1995 11:50:27 -0400 Message-Id: <199509021550.LAA23416@dimacs.rutgers.edu> Received: from RUTVM1.RUTGERS.EDU by RUTVM1.RUTGERS.EDU (IBM VM SMTP R1.2.1MX) with BSMTP id 8850; Sat, 02 Sep 95 11:49:20 EDT Received: from CUNYVM.CUNY.EDU (NJE origin MAILER@CUNYVMV2) by RUTVM1.RUTGERS.EDU (LMail V1.2a/1.8a) with BSMTP id 9240; Sat, 2 Sep 1995 10:19:42 -0400 Received: from CUNYVM.CUNY.EDU (NJE origin JOEYC@CUNYVM) by CUNYVM.CUNY.EDU (LMail V1.2a/1.8a) with RFC822 id 5795; Sat, 2 Sep 1995 10:20:13 -0400 Date: Sat, 02 Sep 95 10:18:23 EDT From: joe malkevitch Subject: obituary for Fisher Black To: discretion lovers Dear Friends, Fisher Black, on of the co-developers of the theory by which one can price options, died a few days ago. He had a phd in applied mathematics. Black's work was a dramatic contribution to the mathematical theory of finance. Regards, Joe From joer Sat Sep 2 19:54:27 1995 Return-Path: rtiberio@k12.oit.umass.edu Received: from k12.oit.umass.edu (rtiberio@k12.oit.umass.edu [128.119.166.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id TAA04097 for ; Sat, 2 Sep 1995 19:54:27 -0400 Received: (from rtiberio@localhost) by k12.oit.umass.edu (8.6.10/8.6.10) id TAA24756; Sat, 2 Sep 1995 19:54:25 -0400 Date: Sat, 2 Sep 1995 19:54:25 -0400 Message-Id: <199509022354.TAA24756@k12.oit.umass.edu> From: rtiberio@k12.oit.umass.edu (Ronald S. Tiberio (Wellesley HS)) To: teachers@dimacs.rutgers.edu Subject: reference Cc: tiberir@idea.uml.edu Reply-To: rtiberio@k12.oit.umass.edu Hello! I just received a new book from the MAA's New Mathematical Library. Title: Exploring Mathematics with your Computer Author: Arthur Engel ISBN: 0-88385-636-0 The book also contains a DOS disk with many programs (in pascal). I recommend this book for anyone teaching both mathematics and computer science. As I was skimming through the book, my eyes widened when I hit page 127, problem 8. The problem was called the taxi problem but it was nothing more than the German Tank problem familiar to the veterans from this summer! Hope everyone starts the year with a bang. See you at the follow-ups. Chuck -- R.S. (Chuck) Tiberio rtiberio@k12.oit.umass.edu Wellesley High School (617) 446 - 6290 X230 Wellesley, MA 02181 From joer Tue Sep 5 16:37:20 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id QAA05542 for teachers@dimacs.rutgers.edu; Tue, 5 Sep 1995 16:37:20 -0400 Date: Tue, 5 Sep 95 16:37:19 EDT From: Judy Brown To: teachers@dimacs.rutgers.edu Subject: inclusion Message-ID: Hi folks, I knew it was coming but,... I need some helpful suggestions on dealing with a class of 28 students for 8th grade math, 6 of the students are identified as "learning support". I have a support teacher who works with me for the period. We have no common planning time and I've had no training in this area. This class meets 9th period! It's the end of the day and everyone is beat. Today was a very good day, I had the students working on a "guess and check" type puzzle problem they all worked very well and I was pleased with the class. I want to try lots of new things with them and get them to enjoy math. It would be very helpful to hear from others in similar situations to share ideas that work. Thanks Judy From joer Wed Sep 6 09:15:37 1995 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id JAA27757 for teachers; Wed, 6 Sep 1995 09:15:37 -0400 Date: Wed, 6 Sep 95 9:15:36 EDT From: Patrick Carney To: teachers Subject: TALK Message-ID: Hi- As I type this, there are electricians around me who are hooking up phone lines. I am actually connected via an old cable I had which I have run through the floor. Meanwhile, everything is SUPPOSED to be set up by this afternoon (my 7th period classs) when the local paper is coming in to do a story on our new computer center. In reality, all I know is that they will be here sometime in the afternoon. So if I notice any of you logged in when I am demonstrating the uses of the Internet, I may request a TALK connection. If you are interested, please respond. I hope the reporter will be impressed. Thanks in advance for anyone who can help. As ever, Bro. Pat Carney From joer Wed Sep 6 10:37:02 1995 Return-Path: debellis Received: (from debellis@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id KAA29704; Wed, 6 Sep 1995 10:37:02 -0400 Date: Wed, 6 Sep 1995 10:37:02 -0400 From: VALERIE DEBELLIS Message-Id: <199509061437.KAA29704@dimacs.rutgers.edu> To: teachers@dimacs.rutgers.edu Subject: kristen owen's note Hi everyone! Hope the beginning of the school year was filled with discrete activities! :-) For anyone who remembers, Kristen Owen (from Idaho) sent a note to "teachers@dimacs" because she couldn't find my email address. Since everyone had a chance to see "her message", I thought I'd give everyone the chance to see "my reply". :-) Kristen-- Glad to hear you had such success in your classroom. I really had a lot of fun doing that activity at the institute and I'm even more happy to see that you've embraced it as your own. But the credit goes to YOU! It was pretty risky of you to present a problem in your first period class that you DID NOT know how to solve! In doing so, you've captured the essence of problem solving (and apparently modelled that for your students! -- I'm jumping up and down now, with a smile on my face, clapping for you!) CONGRATULATIONS -- that's not an easy thing to do! Good luck with your classes! It was really nice to hear from you. Hope to see you at the follow ups! Many Smiles, Valerie From joer Thu Sep 7 19:11:45 1995 Return-Path: idj017@lion.connect.more.net Received: from lion.connect.more.net (lion.connect.more.net [198.209.253.32]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id TAA19576 for ; Thu, 7 Sep 1995 19:11:32 -0400 Received: from [204.185.50.22] ([204.185.50.22]) by lion.connect.more.net (8.6.12/8.6.12) with SMTP id SAA20539 for ; Thu, 7 Sep 1995 18:11:06 -0500 Date: Thu, 7 Sep 1995 18:11:06 -0500 Message-Id: <199509072311.SAA20539@lion.connect.more.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: teachers@dimacs.rutgers.edu From: idj017@lion.connect.more.net (Sheryl Baer) Subject: Request for assistance Hi Gang! October 14 I'll be giving a 45 minute presentation at the NCTM Regional Conference. My topic is graph theory. I plan to do traveling salesman, shorest route type problems. I would like to use some testimonials form you on ways you or your classes have use any of these in solving "real life" problems. We are big into "real life" here in Missouri. ( I hoping for ideas like Chuck's Goodwill problem, not that Goodwill runs a route in this town of 9000.) The students started school on August 28. So far my classes are very cooperative, Which is a great change from last year. (The eighth grade class here is awful, but for the first time I have only one eighth grade section and it is algebra.) Thanks for your help! Sheryl Baer From joer Tue Sep 12 11:23:21 1995 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id LAA21504 for ; Tue, 12 Sep 1995 11:23:20 -0400 Received: from cis-ts5-slip2.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA24069; Tue, 12 Sep 1995 11:23:12 -0400 Message-Id: <9509121523.AA24069@xor.cis.brown.edu> X-Sender: jkowalcz@k12.brown.edu (Unverified) Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Tue, 12 Sep 1995 11:43:10 -0500 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: Newsweek article. Teachers, Well the short article I mentioned finally showed up in last Tuesday's Newsweek. It is on page 12 in the CYberscope section and labeled Physics 101. There is a picture of Nick Bilotta, the four grade son of one of our "lead" teachers in the project (with a Lego robot). It is brief, but we are still excited about it. Note: By the way, if any of you subscribe to Newsweek and then dispose of it after you are finished, I would love to have your throwaways. I have already bought 2 copies at $3.00 each (to get this four inch article) and would rather count on the 300 or so of you to come up with some additional copies for me. I'll be at all the follow-ups or you can just send page 12 to me at: Janice Kowalczyk 11 Frost Rd. Belmont, MA 02178 Thanks! I look forward to the October follow-ups. From joer Tue Sep 12 21:21:43 1995 Return-Path: JulieCPAM@aol.com Received: from emout05.mail.aol.com (emout05.mail.aol.com [198.81.10.37]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id VAA13035 for ; Tue, 12 Sep 1995 21:21:43 -0400 From: JulieCPAM@aol.com Received: by emout05.mail.aol.com (8.6.12/8.6.12) id VAA04466 for teachers@dimacs.rutgers.edu; Tue, 12 Sep 1995 21:21:05 -0400 Date: Tue, 12 Sep 1995 21:21:05 -0400 Message-ID: <950912211916_97891703@emout05.mail.aol.com> To: teachers@dimacs.rutgers.edu Subject: Looking for good problems HELP! (Please) Next month my school is having an 8th grade Math Competition for our prospective incoming 9th graders for 1996.If you think you have a suitable GOOD problem (discrete or not), please take the time and send it/them. We usually give the students 20 minutes for 10 problems, but we can be flexible.I also need 5 good team (5 members) problems (also 20 minutes) and some tiebraker problems. These latter ones should be the kind that can be done quickly with good problem solving skills, because in case of more than one correct answers, we use the time to brake the tie. Thanking you in advance, Julie Csongor (89) - JulieCPAM@aol.com From joer Wed Sep 13 11:00:43 1995 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id LAA27290; Wed, 13 Sep 1995 11:00:43 -0400 Date: Wed, 13 Sep 1995 11:00:43 -0400 From: Joe Rosenstein Message-Id: <199509131500.LAA27290@dimacs.rutgers.edu> To: ricks In-reply-to: Subject: Re: Letter sent to DM re: follow-ups cc: teachers94, teachers93 As Janice pointed out, the mailing about the follow-up sessions ended in mid-sentence -- actually, the last line was dropped -- the item about Informal Newsletter should have read: "We are trying to start an informal newsletter which includes information that participants would like to share with each other about what's been happening in their lives, personally and professionally. Please write a sentence or two and put that on the reverse of the enclosed form." I encourage you to participate in this newsletter. -- Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 From joer Wed Sep 13 13:53:32 1995 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id NAA06120; Wed, 13 Sep 1995 13:53:32 -0400 Date: Wed, 13 Sep 1995 13:53:32 -0400 From: Joe Rosenstein Message-Id: <199509131753.NAA06120@dimacs.rutgers.edu> To: teachers93, teachers94 Subject: newsletter My previous message was in response to a query from Janice Ricks about the fact that the letter we mailed out seemed to end in mid-sentence. I should also have mentioned that Anne Carroll has volunteered to work on developing the informal newsletter and that you can send materials directly to her (with a copy to me) at Carrolla2@aol.com -- Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 From joer Thu Sep 14 20:30:11 1995 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id UAA22327 for ; Thu, 14 Sep 1995 20:30:04 -0400 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.6.10/8.6.6) id UAA18341; Thu, 14 Sep 1995 20:29:58 -0400 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.6.10/8.6.6) id UAA62384; Thu, 14 Sep 1995 20:29:57 -0400 Message-Id: <199509150029.UAA62384@pen2.pen.k12.va.us> Subject: Satellite Town Meeting (fwd) To: teachers@dimacs.rutgers.edu (all teachers) Date: Thu, 14 Sep 95 20:29:57 EDT Cc: fgetgood@pen.k12.va.us (fraser getgood) X-Mailer: PENELM [version 2.3.1 PL11] Hi all, This was forwarded to me by one of my professors. Some of the topics seem interesting. I thought some of you may also be interested in some or all of these programs. Hope your year is off to a great start. Jackie According to MSPIKELL@WPGATE.GMU.EDU: > From MSPIKELL@WPGATE.GMU.EDU Thu Sep 14 14:34:34 1995 > From: > Message-Id: > X-Mailer: WordPerfect Office 4.0 > Date: Thu, 14 Sep 1995 14:16:48 -0400 > To: jfaillac@pen.k12.va.us > Subject: Satellite Town Meeting (fwd) -Forwarded > > Those of you interested in technology may find the attached message of > interest. It was forwarded to me by one of the GSE professors, Dr. > Larry Bowen, who helps "monitor" that type of information for some of > us. > > As this is the first test message from me of this nature, let me know if > you receive it. > Date: 9/13/1995 5:03 pm (Wednesday) > From: WPOFFICE.WPGATE."lbowen@osf1.gmu.edu" > To: ROBINSON.EDUC(mdzama),WPOFFICE.WPGATE("bgilst@gmu.edu","bgiven@gmu.edu","ddunklee@gmu.edu","dsterlin@gmu.edu","esturtev@gmu.edu","ethorp@gmu.edu", . . . > Subject: Satellite Town Meeting (fwd) > > > Received: by gmu.edu; id AA23944; Wed, 13 Sep 1995 17:03:49 -0400 > Received: by osf1.gmu.edu; (5.65v3.2/1.1.8.2/07Sep94-1001AM/GMUv3) > id AA07556; Wed, 13 Sep 1995 17:03:48 -0400 > Mime-Version: 1.0 > Content-Type: TEXT/PLAIN; charset=US-ASCII > > > > Larry S. Bowen > University Professor of Education and Public Policy > George Mason University > 4400 University Drive > Fairfax, VA 22030 > email: lbowen@gmu.edu > > ---------- Forwarded message ---------- > Date: Wed, 13 Sep 1995 16:55:07 -0400 > From: Kirk Winters > To: Multiple recipients of list > Subject: Satellite Town Meeting > > > HOW TECHNOLOGY IS TRANSFORMING SCHOOLS IN ONE CITY > is the topic of this month's satellite town meeting -- > "Educational Technology: Linking Schools to the Future." > > The meeting will be broadcast live from Seattle (WA) on > Tuesday, September 19 at 8:30 p.m. Eastern Time. Guests > include Seattle's superintendent of schools, Rudy Crew; > Microsoft's director of online education, Rick Segal; > coordinator of the Teacher Development Center in Everett, > Pat Moriarty; & others. They'll discuss how technology is > being used in Seattle schools. (Satellite coordinates for > downlinking the meeting are at the end of this message.) > > > ********************************************************** > Questions & Answers About the U.S. Department of Education > Satellite Town Meetings > ********************************************************** > > What is the satellite town meeting? > > On the third Tuesday of each month, U.S. Secretary of > Education Richard W. Riley and Deputy Secretary > Madeleine M. Kunin host the satellite town meeting. It > is a live, interactive teleconference for communities > working to improve their schools and reach the National > Education Goals. > > What topics are discussed? > > Past topics include: strengthening family and school > partnerships, enhancing mathematics and science > education, creating safer schools, improving preschool > programs, connecting schools to the Information > Superhighway, expanding the arts in education, and > creating transitions from school to work so that > students are prepared for promising careers. > > How can I join this discussion? > > All it takes is for one person to invite people who > care about education to a site that has a satellite > dish. Many schools & school districts have satellite > dishes. If yours doesn't, you may want to check with > your local Public Broadcasting System, chamber of > commerce, or Johnson Controls branch office. Other > possible downlink sites are public libraries, community > colleges, television stations, government offices, > businesses, hospitals, hotels, and even private homes > with backyard satellite dishes. > > You may also be able to see the program at home. > Major national cable outlets, including The Discovery > Network and Mind Extension University, rebroadcast the > Satellite Town Meeting each month, and a number of > state educational television systems, Public > Broadcasting System member stations, and scores of > public access television channels broadcast the program > live in cities and towns around the United States. > > How are communities using the satellite town meeting? > ^^^^^ > * The college of education at a state university in > Arizona downlinks the Town Meeting so that > students and faculty can take part together. > > * A public television station in Western > Pennsylvania provides its teleconferencing > facility as a meeting site. > > * In Washington state, a community offers two sites > for participation: one group watches the Town > Meeting in English, while the other takes > advantage of the Spanish simulcast. > > * In South Carolina, a major employer partners with > community institutions to offer the Town Meeting > at the newly developed local aquarium. > > * A small town in Massachusetts broadcasts the > satellite town meeting on its local cable access > channel and then offers its own local meeting > featuring area community leaders and educators. > > Where can I get more information? > > For more information on the satellite town meeting -- > including the satellite coordinates -- please call > 1-800-USA-LEARN. > > Is there a schedule for upcoming satellite town meetings? > ^^^^^^^^ > Yes. The schedule for the 1995-96 satellite town meeting > series is as follows. > > > ****************************************************** > Schedule for the 1995-96 Satellite Town Meeting Series > ****************************************************** > > Tuesday, August 29, 1995 at 8:30 P.M. Eastern > "Back-to-school: New Partnerships with Parents, Communities > and Schools" > > Tuesday, September 19, 1995 at 8:30 P.M. Eastern > "Educational Technology: Linking Schools to the Future" > > Tuesday, October 17, 1995 at 8:30 P.M. Eastern > "Creative Business-education Partnerships: How Business Can > Support High Standards and World-class Schools" > > Tuesday, November 21, 1995 at 8:30 P.M. Eastern > "New Ideas for Professional Development: Giving Teachers > the Skills and Knowledge Necessary for Today's Schools" > > Tuesday, December 19, 1995 at 8:30 P.M. Eastern > "Proven Strategies for Helping Disadvantaged Students: High > Standards and High Expectations" > > Tuesday, January 16, 1996 at 8:30 P.M. Eastern > "Civic Education, Character Education, and Service > Learning: Creative Ideas for Encouraging Better Students and > Better Citizens" > > Tuesday, February 20, 1996 at 8:30 P.M. Eastern > "Community Colleges, Businesses, and Local Chambers: Key > Partners in Career Preparation" > > Tuesday, March 19, 1996 at 8:30 P.M. Eastern > "Charter Schools and Other New Ideas for Better Schools" > > Tuesday, April 21, 1996 at 8:30 P.M. Eastern > "Improving Access to Higher Education: Preparing for > College, Academically and Financially" > > Tuesday, May 21, 1996 at 8:30 P.M. Eastern > "Ideas for Improving Reading and Writing: the Cornerstone of > Learning" > > Tuesday, June 18, 1996 at 8:30 P.M. Eastern > "School Discipline Strategies: Learning in an Orderly > Environment" > > Tuesday, July 16, 1996 at 8:30 P.M. Eastern > "Innovations in Mathematics, Science and Technology > Education" > > ------------------------------------------------- > The Satellite Town Meeting is produced in > partnership with the National Alliance of Business > and the Center for Workforce Preparation. > > The program is in the public domain. Use, > duplication, or distribution of the Satellite Town > Meeting is free and unrestricted...and encouraged! > -------------------------------------------------- > > Satellite Coordinates for September 19: > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > C-Band: Galaxy, Orbital Location 99 degrees West; > Transponder 9; Horizontal Polarity; Channel 9; Downlink > Frequency 3880 mHz; Audio Subcarriers 6.2 mHz (Spanish) and > 6.8 mHz (English). > > Ku-Band: SBS-6, Orbital Location 95 degrees West; > Transponder 1; Horizontal Polarity; Channel 1; Downlink > Frequency 11717 mHz; Audio Subcarriers 6.2 mHz (Spanish) and > 6.8 mHz (English). > > > Kirk Winters > Office of the Under Secretary > U.S. Department of Education > kwinters@inet.ed.gov > > > > From joer Thu Sep 14 21:55:02 1995 Return-Path: tyndell Received: (from tyndell@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id VAA28366 for teachers94; Thu, 14 Sep 1995 21:55:02 -0400 Date: Thu, 14 Sep 95 21:55:02 EDT From: Marylu Tyndell To: teachers94 Subject: We moved! Message-ID: Hello, everybody!! I just thought I'd drop you all a quick note to let you all know that we finally did move into our new home. It only took the mortgage company an extra two months to get their act together and let us have our closing on Aug. 25th. Of course, we're thrilled to be in our new home. But, we're not settled yet (can you believe it??) with the beginning of the new school year and all that goes with it. I'm sure you all know what I mean! Anyway, I'm teaching all three levels of geometry this year - HONORS, college prep, and "sub"-college prep - as well as programming nad general math. Next semester, I start the new DISCRETE class. I can't wait for next semester!! I hope everyone is having a great year and got off to a great start! Oh, by the way, my new address is : 2804 Belmar Blvd. Wall, NJ 07719 (908)-280-8781 (same phone number as before) Hope to see you in October! Marylu Tyndell From joer Thu Sep 14 23:50:40 1995 Return-Path: voolich@meol.mass.edu Received: from meol.mass.edu (meol.mass.edu [134.241.27.23]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id XAA29825 for ; Thu, 14 Sep 1995 23:50:39 -0400 Received: by meol.mass.edu; id AA24431; Thu, 14 Sep 1995 23:54:38 -0400 Date: Thu, 14 Sep 1995 23:54:38 -0400 (EDT) From: Erica Voolich To: teachers@dimacs.rutgers.edu Subject: barbie dolls (fwd) Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Here's something to smile about from my daughter. Smile folks! Erica Voolich ---------- Forwarded message ---------- Date: Thu, 14 Sep 1995 16:19:04 -0400 (EDT) From: Johanna Voolich To: Erica Voolich , Subject: barbie dolls (fwd) johanna's little aside: very funny but a crying shame that it's just a joke :( NEW BARBIE! >|> > (LA, California) Mattel announces their new line of Barbie products, the "Hacker Barbie." These new dolls will be released next month. The aim of these dolls is to negate the stereotype that women are numerophobic, computer-illiterate, and academically challenged. >|> > This new line of Barbie dolls comes equipped with Barbie's very own X-terminal and UNIX documentation as well as ORA's "In a Nutshell" series. The Barbie clothing includes a dirty button-up shirt and a pair of well-worn jeans. Accessories include a Casio all-purpose watch, and glasses with lenses thick enough to set ants on fire. (Pocket protectors and HP calculators optional.) >|> > The new Barbie has the incredible ability to stare at the screen without blinking her eyes and to go without eating or drinking for 16 hours straight. Her vocabulary mainly consists of technical terms such as "What's you're Internet address?", "I like TCP/IP!", "Bummer! Your kernel must have gotten trashed," "Can't you grep that file?", and "DEC's Alpha AXP is awesome!" >|> > "We are very excited about this product," said Ken Olsen, Marketing Executive, "and we hope that the Hacker Barbie will offset the damage incurred by the mathophobic Barbie." (A year ago, Mattel released Barbie dolls that say, "Math is hard," with a condescending companion Ken.) The Hacker Barbie's Ken is an incompetent management consultant who frequently asks Barbie for help. >|> > The leading feminists are equally excited about this new line of Barbie dolls. Naomi Falodji says, "I believe that these new dolls will finally terminate the notion that womyn are inherently inferior when it comes to mathematics and the sciences. However, I feel that Ken's hierarchical superiority would simply reinforce the patriarchy and oppress the masses." Mattel made no comment. >|> > Parents, however, are worried that they will fall behind the children technologically when the Hacker Barbie comes out. "My daughter Jenny plays with the prototype Hacker Barbie for two days," says Mrs. Mary Carlson of rural Oxford, Mississippi, "and now she pays my credit card bill online. Got no idea how she does it, but she surely does it. I just don't wanna be looked upon as some dumb mama." Mattel will be offering free training courses for those who purchase the Hacker Barbie. >|> > The future Hacker Barbie will include several variations to deal with the complex aspects of Barbie. "Hacker Barbie Goes to Jail" will teach computer ethics to youngsters, while "BARBIE RITES L1KE BIFF!!!" will serve as an introduction to expository writing. From joer Mon Sep 18 13:11:37 1995 Return-Path: breuche Received: (from breuche@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id NAA26783 for teachers@dimacs; Mon, 18 Sep 1995 13:11:37 -0400 Date: Mon, 18 Sep 95 13:11:36 EDT From: ethel breuche To: teachers@dimacs.rutgers.edu Subject: DM class Message-ID: Hi Discreters, I started my discrete math class this year with graph coloring. As a last activity, I had my students make up their own problem, draw a graph for it, and then find a solution for the problem. The students were given 20 points for the problem--based on a valid model of a real life problem or a creative/amuzing problem. Twenty points were given for accuracy of their graph and coloring and then ten points for the solution. Some students displayed creativity in story telling while others showed they could model well by using similar problems we had done together. One student created a problem that demonstrated an intuitive feel for the connection of tournaments and coloring (edge coloring that is). Another student's problem involved prisoners in cells and I promised him we would be looking at another famous concern in DM - - called the prisoner's dilemma. The problems and solutions that the students created were simple, done on regular notebook paper (i.e., no big deal flashy stuff), and counted toward their test grade. It was a pretty good alternative assessment assignment and the part I liked best was that no two problems were alike (students could not copy off one another). Best of all, each of the problems demonstrated to me that the students understand the overall concept of problem solving using graph coloring techniques!! I hope this is useful to those of you who are trying performance task assessment. Let me know what you guys are doing. Regards, Ethel Breuche From joer Tue Sep 19 13:05:15 1995 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id NAA01010 for teachers; Tue, 19 Sep 1995 13:05:15 -0400 Date: Tue, 19 Sep 95 13:05:14 EDT From: Patrick Carney To: teachers Subject: Games Magazine Message-ID: Hi- The current issue of Games has an intere4sting contest which might lead to an interesting class discussion. The idea is that you send them a number between 1 and 1,000,000. The person with the lowest number (positive integer actually) NOT PICKED BY SOMEONE ELSE wins a prize. So does the person who picks the integer closest to the average number picked. It can lead to a discussion of the famous problem of the man who is sentenced to die the next week as long as he cannot predict the day he will die. Of course, he can't die on Sat. because if he got to Fri. & theer was only one day of the week left, thwen he would know. Similarly, since Sat. is ruled out, then it can't be Fri. because when he survived Thurs. , he would know. Well, there would be no point picking 1,000,000 since it cannot win (unless there is a phenomenal tie). Then, thast beimng the case, there would be no point picking 999,999 etc. Have the kids find the flaw(s). It is more than a probability problem since the average of randomly selected numbers would be easy. What makes it interesting is that these people are NOT picking randommly but rather trying to inflyence the outcome. You might have your class actually send in entries after you talk about the possible stratagies. I hope you enjoy it. As ever, Bro. Pat Carney From joer Tue Sep 19 15:21:02 1995 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id PAA06645; Tue, 19 Sep 1995 15:21:01 -0400 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id PAA00238; Tue, 19 Sep 1995 15:20:54 -0400 Date: Tue, 19 Sep 1995 15:20:54 -0400 (EDT) From: Charles Biehl To: Patrick Carney cc: teachers@dimacs.rutgers.edu Subject: Re: Games Magazine In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII I seem to recall that the "Unexpected Hanging" actually took place on Tuesday, but I could be wrong, for reasons spelled out in Pat's original message. From joer Tue Sep 19 15:26:22 1995 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id PAA06754 for ; Tue, 19 Sep 1995 15:26:21 -0400 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id PAA00991; Tue, 19 Sep 1995 15:26:19 -0400 Date: Tue, 19 Sep 1995 15:26:19 -0400 (EDT) From: Charles Biehl To: dm teachers Subject: TSP's Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII I wanted you all to know that "Goodwill Tours" has taken on a more self-centered flavor this year, and should be of interest to you Jerseyites. The new problem is called The "Great Adventure" Adventure, and uses a map (free) of the park and selecting a minimum of 10-15 rides to go on. I think you can figure how the rest goes, but if anybody wants the bloody details, I'll elaborate more in a follow-up message. Best regards to all. Chuck :{) From joer Wed Sep 20 11:31:09 1995 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id LAA02779 for teachers; Wed, 20 Sep 1995 11:31:09 -0400 Date: Wed, 20 Sep 95 11:31:08 EDT From: Patrick Carney To: teachers Subject: Re Chuck's comment on unexpected hanging Message-ID: Hi- I suppose I didn't fully explain the nature of the "hanging" or "execution" problem. Since the criminal concludes that there is no day he or she can be killed, they just pick a day at random and the prisoner is surptrised thus fulfilling the requirement. The question is whether or not random will work in theGames contest since the very entry influences the answer. That is one of the things that makes this such an interesting discussion question. It is a problem with no right answer in one sense but there will be a right answer in the final analysis. It is just that there is no way of knowing it ahead of time. Perhaps this mirrors real life situations more than we like to admit. I am sure that when the answer is published, there will be many Monday Morning Quarterbacks explaining what it was and why. The fun this is all the discussions it has produced along the way. I have already received a lot of mail that some of you have already been talking about it. For those who have not seen the contest, another interesting asspect is the prize. It is 100 times the number if the number is from 1 to 9. It is 10 times the number if the number is from 10 to 99, etc. That is an interesting formulation particularly for kids who have trouble with the definition of absolute value in its 2 parts. Take care and I hope to see some of your names (or those of your students) among the winners in the spring. As ever, Bro. Pat Carney From joer Thu Sep 21 18:23:31 1995 Return-Path: pmitchel Received: (from pmitchel@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id SAA22679 for teachers@dimacs; Thu, 21 Sep 1995 18:23:31 -0400 Date: Thu, 21 Sep 95 18:23:31 EDT From: Peggy Mitchell Beauregard To: teachers@dimacs.rutgers.edu Subject: Logowriter Message-ID: Hi! Hope the year is going well ! I am looking for some documentation on Logowriter, and I am wondering if anyone can help me out. Apparently we have it on our machines, but have no directions for our teachers (middle school, Princeton Day School). I'd appreciate any direction from someone who can help! Thanks! Peggy From joer Fri Sep 22 18:13:57 1995 Return-Path: tyndell Received: (from tyndell@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id SAA27676 for teachers; Fri, 22 Sep 1995 18:13:57 -0400 Date: Fri, 22 Sep 95 18:13:57 EDT From: Marylu Tyndell To: teachers Subject: Classes without textbooks Message-ID: One of my colleagues at Wall HS is teaching PROB/STAT without a textbook. He is searching for good resources and projects the students can do in groups and individually. The course is an elective for 11th and 12th graders who have taken three years of HS math (or are currently in their third year). This course is not a replacement for our regular tracks. Both his PDP (professional development plan) and mine include investigating other schools' curriculum as we develop our own. (Mine's easy --I have DISCRETE MATH!!) However, he doesn't have the type of network of teachers like we do. I offered to post this message for him. If anyone can offer any help or suggestions regarding prob and stat and resources you may be using, please contact : Robert Neil at BERNLNEIL@AOL.COM Thank you! Marylu Tyndell From joer Sun Sep 24 13:14:18 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id NAA25015 for teachers@dimacs.rutgers.edu; Sun, 24 Sep 1995 13:14:18 -0400 Date: Sun, 24 Sep 95 13:14:17 EDT From: Judy Brown To: teachers@dimacs.rutgers.edu Subject: County Maps Message-ID: Hi Everyone, I made an important discovery yesterday while surfing the net. There is a collection of state maps, unique in that they are divided into their counties. People from NJ have had a county may of their state to use in coloring activities, now the rest of us can stop using NJ and have our students color their own state. The site is: The Perry-Castaeda Library Map Collection The University of Texas at Austin http://www.lib.utexas.edu/Libs/PCL/Map_collection/Map_collection.html Just so you know, this is not normally how I spend my Saturdays, but I took a 1 credit class on using the internet. Another site of interest that I found contained a listing of internet service providers searchable by area code. The address is: http://thelist.com I intend to share this information at the Oct 7 follow up and maybe we can make arrangements to search the site for any participants who are looking for a local service provider (Joe are you there?) Sending this message via e-mail has little effect since most of the people reading this message have local service providers. I'm not going to share the addresses of the "other" sites I found because the teachers "made" us pretend to be 14 year olds and search for inappropriate materials. For our assignment we must now search for a way to block our students from finding this stuff. My students do not have access to internet services at school, that's how my administrators are blocking their access! But I do believe there are better ways. Can any of you help? If your school system allows students to access the web, how do you prevent them from getting into porno stuff? Any comments will be appreciated. Thanks Judy Judy Brown Pleasant Valley Middle School Rt 115 Brodheadsville, PA 18322 From joer Mon Sep 25 21:16:05 1995 Return-Path: ride0667@ride.ri.net Received: from ride.ri.net (ride.RI.net [198.115.225.100]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id VAA13092 for ; Mon, 25 Sep 1995 21:15:55 -0400 Received: from cis-ts3-slip1.cis.brown.edu by ride.ri.net; (5.65v3.2/1.1.8.2/15Aug94-1202PM) id AA22264; Mon, 25 Sep 1995 21:17:30 -0400 Message-Id: <9509260117.AA22264@ride.ri.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Mon, 25 Sep 1995 21:27:57 -0400 To: teachers@dimacs.rutgers.edu From: ride0667@ride.ri.net (Nancy Daley) Subject: ROCKS Hi fellow discrete mathematicians, My sixth grade class is beginning a unit on the changing earth. I was wondering if anyone who was attending the follow up session at Rutgers in Oct. would be willing to bring a rock about the size of a silver dollar from your state. If you could do this we would appreciate it if you could somehow include a label so that we know exactly where you found the rock. Any discrete math ideas to go along with my unit? Thanks!!! Nancy Daley LP 95 Rhode Island From joer Tue Sep 26 21:20:28 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id VAA19835 for teachers@dimacs.rutgers.edu; Tue, 26 Sep 1995 21:20:28 -0400 Date: Tue, 26 Sep 95 21:20:27 EDT From: Judy Brown To: teachers@dimacs.rutgers.edu Subject: 4-digit problem Message-ID: Hi Everyone, Here is an simple (but deep) problem for you to contemplate. Find the sum of the largest four digit number that can be written with out repeating digits and the smallest four digit number that can be written with out repeating digits. My studetns had no problem agreeing on the largest such 4-digit number, 9876. But the smallest generated an interesting discussion. Is it 1023, or is it 0123? Or would you allow a decimal answer such as .0123? Or negative numbers such as -9876? I would love to hear opinions from other math teachers from all different grade levels. Please send your response to everyone by using the address: Also ask your students and post their responses. Math can be fun if everyone can find their own answers! Judy From joer Tue Sep 26 21:40:35 1995 Return-Path: ndaley Received: (from ndaley@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id VAA19958; Tue, 26 Sep 1995 21:40:35 -0400 Date: Tue, 26 Sep 95 21:40:35 EDT From: Nancy Daley To: teachers@dimacs.rutgers.edu Cc: ride0667@ride.ri.net Subject: ROCKS and Discrete Math Message-ID: Does anyone know why I did not receive the message about rocks sent to this email address? Shouldn't everyone get it even the sender if it goes out to this list.? Nancy Daley LP 95 From joer Tue Sep 26 22:14:50 1995 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id WAA20590; Tue, 26 Sep 1995 22:14:50 -0400 Date: Tue, 26 Sep 1995 22:14:50 -0400 From: Joe Rosenstein Message-Id: <199509270214.WAA20590@dimacs.rutgers.edu> To: ndaley CC: teachers@dimacs.rutgers.edu, ride0667@ride.ri.net In-reply-to: Subject: Re: ROCKS and Discrete Math Nancy, the teachers@dimacs file has your email address listed as ndaley@dimacs.rutgers.edu which is where your copy of the message on rocks was sent. I will change that to the address above as soon as I can recover access to that file, which I seem to have somehow lost in the last week or so. In the meantime, I hope that you end up next Saturday with a lot of rocks from all over. Joe -- Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 From joer Wed Sep 27 22:01:59 1995 Return-Path: LillisW@aol.com Received: from emout04.mail.aol.com (emout04.mail.aol.com [198.81.10.12]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id WAA25766 for ; Wed, 27 Sep 1995 22:01:59 -0400 From: LillisW@aol.com Received: by emout04.mail.aol.com (8.6.12/8.6.12) id VAA00953 for teachers@dimacs.rutgers.edu; Wed, 27 Sep 1995 21:57:11 -0400 Date: Wed, 27 Sep 1995 21:57:11 -0400 Message-ID: <950927215710_31163890@emout04.mail.aol.com> To: teachers@dimacs.rutgers.edu Subject: Geometer's Sketchpad for TI-82 I hope someone can come to my rescue. I want to use the freeware program we got at last summer's institute that does a geometer's sketchpad sort of thing on the TI-82. I have the disk but I need a set of instructions - there weren't enough to go around. If anyone can find theirs and could send me a copy I'd really appreciate it. Thanks, Lillis Weber 14264 Hawksmore Ln Jacksonville Fl 32223 From joer Fri Sep 29 03:49:32 1995 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id DAA07907 for teachers; Fri, 29 Sep 1995 03:49:32 -0400 Date: Fri, 29 Sep 95 3:49:31 EDT From: Patrick Carney To: teachers Subject: Judy's problem Message-ID: Hi- Last night I had to run a program for parents who were here to see the new computer center at our school. After a short talk and my Power Point presentation, we did hands on things. Many wanted to see e-mail so we started reading my mail and Judy's problem came up. About 10 were gathered around me at the time and I assigned them the problem. We had lawyers, teachers, a judge, etc. discussing the profound questions she raised. Reactions ranged from "I never thought of a decimal" to "if it says using 4 numbers, you shouldn't use anything else" (as in . or - ). Of course there was no final agreement, but it did serve to make a point that there are questions with no "right " answers which can be posed and lend to an interesting discussion. They got a kick out of it. The intensity of the reaction was second only to that which they displayed whern I showed them how to check on the coldness and availability of soft drinks oin the CMU coke machine. The fun par t about the parents is that I could just do fun things and not have to worry about curriculum (although I had a variety of software from various departments available, that was not the big interest). I hope the rest of you found the problem profitable. See you all in a coupole of weeks. As ever, bro. Pat Carney From joer Fri Sep 29 15:52:24 1995 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id PAA24387 for ; Fri, 29 Sep 1995 15:52:23 -0400 Received: from cis-ts2-slip11.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA17662; Fri, 29 Sep 1995 15:52:10 -0400 Message-Id: <9509291952.AA17662@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Fri, 29 Sep 1995 16:12:55 -0500 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: advice Teachers, I received the following message from the dept head of a local RI High School where Bill Bowdish and I did a Workshop last spring. While I did respond,I am not teaching a discrete math course. I thought that it would nice for her to hear from teachers that do or from teachers who have used the book she refers to or from those who have woven the Fibonacci material into their courses. Please send your advice along to her. Collectively there is a lot of expereince and wisdom for her out here! Thanks! Janice >Mime-Version: 1.0 >Date: Thu, 28 Sep 1995 19:15:22 -0500 >To: jkowalcz@xor.cis.brown.edu >From: dmnksths@uriacc.uri.edu (Donna McBurney) >Subject: Hello > >Dear Janice-- We are in the process of writing a course description for >Discrete Math to be offered in Sept.,1996 as a one semester course. We >have decided to use Discrete Mathematics Through Applications by Crisler et >al and have a question for you: we want to add a Fibonacci Number unit and >wonder where it would best fit in that particular text. Can you offer any >advice? > It looks like the Central Admin. will fund us for a follow-up workshop >sometime this year. I'll keep you posted. Hope all goes well with you. >Hear from you soon? Thanks, Donna > >Donna McBurney >40 Potter Lane North Kingstown High School > >Kingston, RI 02881 150 Fairway >401-789-0581 (voice) North Kingstown, RI 02852 >401-783-5734 (FAX) 401-294-4581 EXT 283 > > > > > > > From joer Fri Sep 29 23:52:39 1995 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id XAA05885 for ; Fri, 29 Sep 1995 23:52:38 -0400 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.6.10/8.6.6) id XAA82170; Fri, 29 Sep 1995 23:52:32 -0400 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.6.10/8.6.6) id XAA30238; Fri, 29 Sep 1995 23:52:32 -0400 Message-Id: <199509300352.XAA30238@pen2.pen.k12.va.us> Subject: Humor from Dr. Bowen (fwd) To: teachers@dimacs.rutgers.edu (all teachers) Date: Fri, 29 Sep 95 23:52:31 EDT X-Mailer: PENELM [version 2.3.1 PL11] Hi all, This just came across my messages...I thought some of you may like it. I've seen variations of the same type. I won't be at the first followup...Have fun! Jackie According to MSPIKELL@WPGATE.GMU.EDU: > From MSPIKELL@WPGATE.GMU.EDU Fri Sep 29 12:27:17 1995 > From: > Message-Id: > X-Mailer: WordPerfect Office 4.0 > Date: Fri, 29 Sep 1995 12:27:26 -0400 > To: davidsonab@aol.com, nhall2@gmu.edu, beubanks@osf1.gmu.edu, > dpittman@osf1.gmu.edu, kgarton@osf1.gmu.edu, kmorris3@osf1.gmu.edu, > mhelman@osf1.gmu.edu, ncusack@osf1.gmu.edu, rgraham2@osf1.gmu.edu, > smcallis@osf1.gmu.edu, bglazews@pen.k12.va.us, ddelozie@pen.k12.va.us, > jfaillac@pen.k12.va.us, mwyatt@pen.k12.va.us, pmulhern@pen.k12.va.us, > scritchf@pen.k12.va.us, ahall2@PORTAL, ddeal@PORTAL, dwetzel1@PORTAL, > kdecker@PORTAL, mshah@PORTAL, patricia_A._Robertson@wnvt.pbs.org > Cc: DSTERLIN@WPGATE.GMU.EDU > Subject: Humor from Dr. Bowen > > ** Reply Requested by 2/7/2106 (Sunday) ** > See attachment. > > Do you like to see such items??? > Date: 9/27/1995 12:21 pm (Wednesday) > From: WPOFFICE.WPGATE."lbowen@osf1.gmu.edu" > To: WPOFFICE.WPGATE("mspikell@gmu.edu") > Subject: FWD: Sample SAT Math Questions (fwd) > > > Received: by gmu.edu; id AA26741; Wed, 27 Sep 1995 12:21:37 -0400 > Received: by osf1.gmu.edu; (5.65v3.2/1.1.8.2/07Sep94-1001AM/GMUv3) > id AA09102; Wed, 27 Sep 1995 12:21:36 -0400 > Mime-Version: 1.0 > Content-Type: TEXT/PLAIN; charset=US-ASCII > > > > Funny! Sent by a teacher in California. Larry > > Larry S. Bowen > University Professor of Education and Public Policy > George Mason University > 4400 University Drive > Fairfax, VA 22030 > email: lbowen@gmu.edu > ----- Forwarded Message Starts Here ----- > > > In 1960: "A logger sells a truckload of lumber for $100. His cost of > production is 4/5 of this price. What is his profit?" > > In 1970 (traditional math): "A logger sells a truckload of lumber for $100. > His cost of production is 4/5 of this price. In other words, $80. What is his > profit?" > > In 1970 (new math): "A logger exchanges a set L of lumber for a set M of > money. The cardinality of the ser M is 100, and each element m[M is worth $1. > Make one hundred dots representing the elements of the set M. The set C of > costs of production contains 20 fewer points than the set M. represent the set > C as a subset of M, and answer the following question. What is the cardinality > of the set P of profits?" > > In 1980: "A logger sells a truckload of wood for $100. His cost of production > is $80, and his profit is $20. Your assignment: Underline the number 20." > > In 1990: "By cutting down beautiful forest trees, a logger makes $20. What do > you think of this way of making money? (Topic for class participation: How did > the forest birds and trees feel?)" > > In 2000: "Use plastic . . ." > > > > > > > > > > > > > ----- Forwarded Message Ends Here ----- > > > > > From joer Sat Sep 30 15:04:12 1995 Return-Path: Felix4446@aol.com Received: from mail04.mail.aol.com (mail04.mail.aol.com [152.163.172.53]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id PAA24690 for ; Sat, 30 Sep 1995 15:04:08 -0400 From: Felix4446@aol.com Received: by mail04.mail.aol.com (8.6.12/8.6.12) id PAA26981 for teachers@dimacs.rutgers.edu.; Sat, 30 Sep 1995 15:03:32 -0400 Date: Sat, 30 Sep 1995 15:03:32 -0400 Message-ID: <950930150331_33216861@mail04.mail.aol.com> To: teachers@dimacs.rutgers.edu Subject: Reply to lost inquiry Hi to all. Life's pace has not allowed me to respond to mail till now. I can't find the mail I didn't delete last time (first full week of September.) Someone from a year other than LP '93 asked me about the DISCOUNTS mini-course I am teaching to fifth graders. Someone else (or maybe the same person) lived in Alaska for a while and wanted to share info on that, knowing my summer vacation was there this past summer. I know I did not delete either message, because I wanted to take the time to savor writing my response to those folks. If either of you--whoever you are--is listening, please write to me again. I promise to check my mail soon. I have Oct. 4th off from school, so, please, write back...........So far my 5th-graders in the mini-course have permuted the "flavors" of icecream cones and also the Mt. Rushmore heads.....In my regular math classes I'm going crazy because we have both (constructivist) Mathland, Creative Publications and the Heath program, Connections. Trying to blend the new and the old, honor NCTM standards AND lay the groundwork for standardized testing...... all of this is a lot. Any suggestions???? From joer Sun Oct 1 13:33:22 1995 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id NAA23437; Sun, 1 Oct 1995 13:33:22 -0400 Date: Sun, 1 Oct 1995 13:33:22 -0400 From: Joe Rosenstein Message-Id: <199510011733.NAA23437@dimacs.rutgers.edu> To: teachers Subject: npr puzzle This week's puzzle on National Public Radio is a numerical one (for the first time in a while). Example: ((2x2)/2)-2 is 0 . Use + , - , x , and / (and any number of parentheses) to get similar expressions involving four 2's which yield the answers 1, 2, 3, 4, 5, and 6. Send solutions to puzzle@npr.org and listen to your NPR station on Sunday a.m. at 8:30 (or maybe 8:40) to hear the solution, find out the winner of the prize, and get next week's puzzle. -- Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 From joer Sun Oct 1 15:39:04 1995 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id PAA25119; Sun, 1 Oct 1995 15:39:04 -0400 Date: Sun, 1 Oct 1995 15:39:04 -0400 From: Joe Rosenstein Message-Id: <199510011939.PAA25119@dimacs.rutgers.edu> To: teachers Subject: beyond the npr puzzle Now try to answer the question of what numbers can you get and what numbers can't you get by following the rules in the previous message -- you might try figuring out whether you can get 7 (and if not, why not?), or what is the smallest number that you can't get with five 2's? -- Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 From joer Sun Oct 1 21:43:39 1995 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id VAA04830 for ; Sun, 1 Oct 1995 21:43:38 -0400 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.6.10/8.6.6) id VAA61088; Sun, 1 Oct 1995 21:43:26 -0400 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.6.10/8.6.6) id VAA72045; Sun, 1 Oct 1995 21:43:25 -0400 Message-Id: <199510020143.VAA72045@pen2.pen.k12.va.us> Subject: "Exploring The Internet" - Campus News (fwd) To: teachers@dimacs.rutgers.edu (all teachers) Date: Sun, 1 Oct 95 21:43:25 EDT Cc: MSPIKELL@wpgate.gmu.edu (MARK SPIKELL), scritchf@pen.k12.va.us (sandra critchfield), rpassman@ari.net (robert passman) X-Mailer: PENELM [version 2.3.1 PL11] Hi, This is for your information.....Last chance to enroll if you are interested. Jackie According to Workshop@pacificnet.net: > From Workshop@Horizons.Org Sun Oct 1 21:33:33 1995 > Date: Sun, 1 Oct 1995 07:33:20 -0700 > From: Workshop@pacificnet.net > Message-Id: <199510011433.HAA05547@north.pacificnet.net> > Subject: "Exploring The Internet" - Campus News > <: >:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:> > Apparently-To: jfaillac@pen.k12.va.us (Jacqueline Faillace Getgood) > > Vol. 3 No. 1 Oct. 1, 1995 > NEW HORIZONS > """""""""""" > The Bi-weekly Online Newsletter Serving > SPECTRUM Virtual University > > <:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:>:<:> > > Last Call For Enrollments!!! > > Enrollments for the free workshop, "Exploring The Internet" will be > accepted through 9pm, Friday, October 6. If friends or co-workers wish > to enroll, they can send a message with their name and e-mail address > to: Register@Horizons.Org -- or fax to (818) 834-8221. > > To enroll a group of people, just fax or e-mail a list of names and > e-mail addresses to us. > | > :-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-: > > Bouncing Mail Problem Fixed... > > During the past two weeks, some of you may have sent messages to > us that bounced. We have finally tracked down and fixed the problem. > Mail to our HORIZONS.ORG domain should now be fully restored. > > :-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-: > > "Exploring The Internet" Workbook In The Mail... > > Course Workbooks will be sent out this weekend and should arrive in > your e-mailbox Sunday evening or early Monday. If you do not receive > your workbook by Tuesday, either you are not properly enrolled or there > is a problem with your mail delivery. > > If you don't receive your Course Workbook, you can download it from > your virtual classroom on the World Wide Web at > > http://horizons.org/campus > > Or, if you don't have access to the Web, you can get a copy of your > workbook by sending a message with the Subject "RESEND WORKBOOK" to: > Workshop@Horizons.Org > > :-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-: > > Free "QMOSAIC" Software Available Next Weekend... > > There has been a lot of interest in the free "QMOSAIC" browser that > Quarterdeck Corporation has offered Spectrum students this semester. We > are now working out final details so that everyone can download QMOSAIC > from the Web or by e-mail> This free software should be available next > weekend. We'll e-mail details on how to download this software as soon > as it is online. > > :-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-: > > Calling Bilingual Students!!! > > Are you bilingual? We need your help! We are getting hundreds of > requests for "Exploring The Internet" in foreign language versions, > especially Spanish. We'd love to offer the course in other languages, > but we need help translating the lessons. If you are bilingual and you > have some free time, please contact us! Write to Amber Lawrence at > Spectrum@Horizons.Org > > :-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-: > > Editorial Openings On Campus Newspaper... > > "New Horizons" is now seeking an editor, associate editor, Op Ed > columnists, and art director for the Fall/Winter semester. This is a > fun and interesting challenge for creative individuals. No pay, but > lots of glamour, a chance to meet interesting people around the world, > and a journalistic credit for your resume. New Horizons is published > bi-weekly and distributed by e-mail to 50,000 Spectrum University > students in 110 countries. A graphically enhanced edition for the World > Wide Web is also planned. To apply, send e-mail with the Subject line > "NEW HORIZONS" to Spectrum@Horizons.Org > > :-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-: > > Blue Grotto International Cafe Grand Opening! > > The Blue Grotto Cafe is now open! If you have a Web browser, stop > by this global student lounge on your next visit to our virtual campus. > Post a descriptive profile and introduce yourself, or browse and reply > to profiles posted by others. Meet interesting fellow students from > 110 countries around the world! You can reach the Blue Grotto Cafe by > clicking that option from the Campus main menu. > > :-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-: > > "New Horizons" is published bi-weekly by Spectrum Virtual University > and distributed free to charge. Copyright (c) 1995 Spectrum Universal. > All Rights Reserved. Address inquiries and correspondence to: > > Internet: Spectrum@Horizons.Org Fax (818) 834-8221 > Land Mail: Spectrum Universal, Box 341169, Arleta California 91334 USA > > # # # > From joer Mon Oct 2 19:06:53 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id TAA03687 for teachers; Mon, 2 Oct 1995 19:06:53 -0400 Date: Mon, 2 Oct 95 19:06:53 EDT From: Judy Brown To: teachers Subject: Joe's four 2's problem Message-ID: Hi About a week ago I did a similar problem using four 4's, any operations and any number of parentheses to write the numbers 0 to 5. The next day we did 6 through 10. These were warm up problems and served as a great review for order of operations. So I was not going to do Joe's problem with four 2's just yet. Then when I was writing the date on the board, October 2nd and it was Day 2 of our 6 day cycle... well I just couldn't resist. No problems getting representations for 1 to 5, so I said that any one who wanted a challenge could try to get 7 because I had heard it was "very difficult" to get. In 8th grade math we have been doing a lot of review including rounding, so one student suggested that we take the square root of 2 and round it to a whole number then add 2 and 2 and 2. Answer: 7 Ok, so then I introduced the INTEGER function. INT(1.414) = 1 so that we could write our answer as: Int(sqr(2)) + 2 + 2 + 2 = 7 A little later in the day a student asked if he could use decimals. I said there was nothing in the wording of my problem to prevent it so we have 2/(.2 + .2) + 2 = 7 It's so much easier to find something that will work than to prove that it can't be done. Just do it! By the way, I had started the day convinced that you could not represent 7 using only four 2's no matter how many parentheses you used. One of the reasons I love teaching 8th grade is that they have not been entirely convinced that they can't do the impossible so sometimes thay manage it. See everyone on Saturday Judy From joer Mon Oct 2 21:09:27 1995 Return-Path: franzbla Received: (from franzbla@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id VAA09924; Mon, 2 Oct 1995 21:09:27 -0400 Date: Mon, 2 Oct 1995 21:09:27 -0400 From: Deborah Franzblau Message-Id: <199510030109.VAA09924@dimacs.rutgers.edu> To: teachers Subject: [kennedyf@pacevm.dac.pace.edu: Pace Mathematics Seminar 10/11/95] Hi--I thought that some of you in the NYC area might be interested in this seminar. --Debbie Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Fri, 29 Sep 1995 17:09:30 +0100 To: "Pace Mathematics Seminar" From: kennedyf@pacevm.dac.pace.edu (John W. Kennedy) Subject: Pace Mathematics Seminar 10/11/95 _________________________________________________________________________ | | | PACE UNIVERSITY MATHEMATICS SEMINAR | | =================================== | | | | | | WARLPIRI AND MALEKULA KIN SYSTEMS | | AND THEIR DIGRAPHS | | | | by | | | | MICHAEL L. GARGANO | | Computer Science Department | | Pace University, New York | | | | Wednesday October 11, 1995 | | 4:30 - 5:30 p.m. | | | | 16th Floor Conference Room | | 41 Park Row Building | | ___________________________________ | | | | Refreshments will be served | | ___________________________________ | | | |Warlpiri and Malekula Kin Systems and Their Digraphs | |Both of these South Pacific peoples use dihedral group structures (one of| |order 6 and one of order 8) as traditional kin/mating mechanisms. | |Interestingly enough, it can be demonstrated that inbreeding can be | |prevented with this method. I will then generalize this example to the | |idea of the dihedral group of order 2n (its associated digraph and its | |properties). | |=========================================================================| |October 4, 1995: No Seminar - Yom Kippur | |October 11, 1995: Michael L. Gargano, Computer Science, Pace University | | Warlpiri and Malekula Kin Systems and Their Digraphs | |October 18, 1995: Open Discussion Session | |October 25, 1995: Roman Kossak, Mathematics, Baruch College and Pace, NY| | "What are Infinitesimals and Why they cannot be seen."| |=========================================================================| |For further information about the Pace Mathematics Seminar please contact| | John. W. Kennedy, Mathematics Department, Pace University, NY 10038 | | tel: (212)346-1280 or e-mail: kennedyf@pacevm.dac.pace.edu | \_________________________________________________________________________/ From joer Mon Oct 2 23:39:50 1995 Return-Path: voolich@meol.mass.edu Received: from meol.mass.edu (meol.mass.edu [134.241.27.23]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id XAA11387 for ; Mon, 2 Oct 1995 23:39:49 -0400 Received: by meol.mass.edu; id AA06989; Mon, 2 Oct 1995 23:44:02 -0400 Date: Mon, 2 Oct 1995 23:44:02 -0400 (EDT) From: Erica Voolich To: teachers@dimacs.rutgers.edu Subject: monty hall,news, opportunity Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII In the issue ofWonderful Ideas that arrived today, there is an activity for "third grade on up" called "The Doors of Let's Make a Deal". (Oct 1995) In yesterday's mail was a newsletter for the Mass SSI announcing that we have a new statewide math coordinator: Gisele Zangari! We're in good hands! 8-) I met with the editor of Elementary Mathematician and she would like to do a whole issue on elections this spring. The deadline is 15 February. so all of you who have been doing neat things on elections and voting please write it up and send me your drafts by 15 Feb. Erica Voolich 244 Summer Street Somerville MA 02143 From joer Tue Oct 3 08:49:43 1995 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id IAA21008; Tue, 3 Oct 1995 08:49:43 -0400 Date: Tue, 3 Oct 1995 08:49:43 -0400 From: Joe Rosenstein Message-Id: <199510031249.IAA21008@dimacs.rutgers.edu> To: judyann CC: teachers In-reply-to: Subject: Re: Joe's four 2's problem The solutions that Judy's students found for using four 2s to get 7 were ingenious -- but the question remains: Can you get 7 using only four 2s, the arithmetic symbols +,-,x,/ and parentheses (and so without decimal points or square roots or greatest integer functions or ... )? ... and if not, why not? -- Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 From joer Thu Oct 5 14:42:26 1995 Return-Path: fogle Received: (from fogle@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id OAA15591 for teachers@dimacs.rutgers.edu; Thu, 5 Oct 1995 14:42:26 -0400 Date: Thu, 5 Oct 95 14:42:26 EDT From: fogle To: teachers@dimacs.rutgers.edu Subject: edge colorings Message-ID: Does anyone know of a text that teaches edge colorings? I would like something that might be readable to a high school student. Best wishes, Dave Fogle From joer Fri Oct 6 22:03:53 1995 Return-Path: pmitchel Received: (from pmitchel@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id WAA03776 for teachers@dimacs; Fri, 6 Oct 1995 22:03:53 -0400 Date: Fri, 6 Oct 95 22:03:53 EDT From: Peggy Mitchell Beauregard To: teachers@dimacs.rutgers.edu Subject: [usfmcd6b@ibmmail.com: Something to make you laugh] Message-ID: Hello! Hope your fall semester is going well...here's a cute mathematician/engineer story! Peggy --------------- Received: from ibmmail.COM (ibmmail.com [199.171.26.3]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id HAA20187 for ; Tue, 3 Oct 1995 07:46:11 -0400 From: usfmcd6b@ibmmail.com Message-Id: <199510031146.HAA20187@dimacs.rutgers.edu> Received: from ibmmail by ibmmail.COM (IBM VM SMTP V2R2) with BSMTP id 6989; Tue, 03 Oct 95 07:45:35 EDT Date: Tue, 03 Oct 1995 07:49:24 EDT To: pmitchel@dimacs.rutgers.edu MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Something to make you laugh THIS IS A CORPORATE DOCUMENT - FOLLOW RECORDS MANAGEMENT POLICY FROM: Dave Mitchell Subject: Something to make you laugh Thought this was appropriate - Dave Mitchell GO BLUE D/EW 98 Powertrain Subsystem Engineering (AND WHITE) Phone: 313 322 3869 FAX 313 317 4960 !!!!! Internet: USFMCD6B@IBMMAIL.COM *** Forwarding note from RCIARROC--DRBN007 09/29/95 14:18 *** To: KPARRISH--DRBN007 CATZ --DRBN006 DMITCHE8--DRBN006 JADEE --DRBN007 SHARTE --DRBN007 THIS IS A CORPORATE DOCUMENT - FOLLOW RECORDS MANAGEMENT POLICY FROM: Rob Ciarrocchi Subject: Something to make you laugh This is a good one! Regards, Rob Ciarrocchi (INTERNET ID: USFMCL8M@IBMMAIL.COM) Advanced Component Integration and Calibration Phone: x4-8537 Fax: x49352 *** Forwarding note from WWITTE --DRBN007 09/29/95 13:15 *** To: KOSEID --DRBN007 TDORWEIL--DRBN005 BWILMOT --DRBN007 KSCHULTE--DRBN007 PHAZLETT--DRBN007 RCIARROC--DRBN007 FROM: WADE WITTE Subject: Something to make you laugh REGARDS, (THE BEST NEVER REST) WADE WITTE LIGHT TRUCK THROTTLE BODY DEVELOPMENT - RAWSONVILLE PLANT (313) 484-9311 FAX: (313) 484-8362 *** Forwarding note from DGUGLIEL--DRBN007 09/29/95 09:49 *** To: JKLAS --DRBN007 Jeff Klas MBENNET3--DRBN007 Mike Bennett MRHOADES--DRBN007 Mark Rhoades JREDMON1--DRBN007 Jill Redmon WWITTE --DRBN007 Wade Witte PMORA --DRBN007 Tricia Mora JRAUCH --DRBN007 Jim Rauch SSCHOENE--DRBN007 Sherri Schoenemann THIS IS A CORPORATE DOCUMENT - FOLLOW RECORDS MANAGEMENT POLICY FROM: D. J. Guglielmo Subject: Something to make you laugh Regards, Dan Guglielmo Air Induction Development Rm. 1139, Rawsonville, (313) 484-9213 *** Forwarding note from PNICASTR--DRBN007 09/29/95 08:49 *** To: TBUSH1 --DRBN007 Tom Bush - Section GCHEN1 --DRBN007 Grant Chen - Fea T TCULBERT--DRBN006 BFILARSK--DRBN007 Bev Filarski - Sec DGUGLIEL--DRBN007 Dan Guglielmo - Se CHETTER --DRBN007 Chuck Hetter - Tec MLAST --DRBN007 Mike Last - Sectio SLEPI --DRBN007 AMACOIT --DRBN007 Art Macoit - Sect RSCHULT4--DRBN007 Roy Schultz - Tech LSHALLOW--DRBN007 Linda Shallow - Se PSHOEMAK--DRBN007 Pamela Shoemaker MVERHUN --DRBN007 YWARNER --DRBN007 SWARRANS--DRBN007 Simon Warran-Smith THIS IS A CORPORATE DOCUMENT - FOLLOW RECORDS MANAGEMENT POLICY FROM: Paul Nicastri Subject: Something to make you laugh info Thanks, Paul Nicastri - Advanced Component Engineering Manager PROFs ID PNICASTR - INTERNET ID USFMCH9V@IBMMAIL.COM Atrium 32-32251 fax 39-06925 Rawsonvile 48-76288 fax 48-49352 *** Forwarding note from SDAY2 --DRBN005 09/29/95 08:11 *** To: EMMP CLASS OF 1997 *** Resending note of 09/27/95 17:22 FROM: Susan Day To: SDAY2 --DRBN005 FROM: Michael MacDonald Subject: Something to make you laugh For your amusement. Regards, Michael MacDonald ACD Resident Engineer, MPG Phone: 810-75-28603 Fax: 810-75-28683 Subject: Something to make you laugh > A math/engineering convention was being held. On the train to the > convention, there were a bunch of math majors and a bunch of > engineering majors. Each of the math majors had his/her train ticket. > The group of engineers had only ONE ticket for all of them. > The math majors started laughing and snickering. > > Then, one of the engineers said "here comes the conductor" and then all > of the engineers went into the bathroom. The math majors were > puzzled. The conductor came aboard and said "tickets please" and got > tickets from all the math majors. He then went to the bathroom and > knocked on the door and said "ticket please" and the engineers stuck > the ticket under the door. The conductor took it and then the engineers > came out of the bathroom a few minutes later. The math majors felt > really stupid. > > So, on the way back from the convention, the group of math majors had > one ticket for the group. They started snickering at the engineers, for > the whole group had no tickets amongst them. Then, the engineer lookout > said "Conductor coming!". All the engineers went to one bathroom. > All the math majors went to another bathroom. Then, before the > conductor came on board, one of the engineers left the bathroom, > knocked on the other bathroom, and said "ticket please. -- End original message -- [ cc:Mail note part ] : From joer Sat Oct 7 19:14:24 1995 Return-Path: bob6@ix.netcom.com Received: from ix6.ix.netcom.com (ix6.ix.netcom.com [199.182.120.6]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id TAA00391 for ; Sat, 7 Oct 1995 19:14:18 -0400 Received: from by ix6.ix.netcom.com (8.6.12/SMI-4.1/Netcom) id QAA14662; Sat, 7 Oct 1995 16:13:40 -0700 Date: Sat, 7 Oct 1995 16:13:40 -0700 Message-Id: <199510072313.QAA14662@ix6.ix.netcom.com> From: bob6@ix.netcom.com (Robert E Andersen ) Subject: Hello from Bob Andersen To: teachers@dimacs.rutgers.edu I am Bob (Questions) Andersen ('94). Greetings to anyone who receives this message. I'm trying to reach dimacs directly from my local internet provider. My e-mail address at this location is bob@ix.netcom.com Please contact me at this address if you "hear" me. It would simplify matters if I could use one address for all my mail. If you try and can't get through here my address at Rutgers is randerse@dimacs.rutgers.edu. Thanks and please be discrete Bob A From joer Sun Oct 8 17:27:16 1995 Return-Path: ccunning Received: (from ccunning@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id RAA28325 for teachers; Sun, 8 Oct 1995 17:27:16 -0400 Date: Sun, 8 Oct 95 17:27:15 EDT From: Constance Cunningham To: teachers Subject: Resources Message-ID: Greetings All, I recently received a copy of Agnesi to Zeno, Over 100 Vignettes from the History of Math. It is an excellent resource. It has one to two page stories about mathematicians as well as discrete topics like recursion, Pascal's triangle, and fibonacci numbers. Each topic has suggested follow-up activities and readings. It is excellent and can easily be adapted to any level. I ordered the book through Key Curriculum Press. The ISBN is 1-55953-107-X. Key Curriculum can be contacted at P.O. Box 2304, Berkely, CA 94702, 510-548-2304. Connie Cunningham ccunning@dimacs.rutgers.edu From joer Mon Oct 9 16:59:29 1995 Return-Path: ccunning Received: (from ccunning@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id QAA01537 for teachers; Mon, 9 Oct 1995 16:59:29 -0400 Date: Mon, 9 Oct 95 16:59:29 EDT From: Constance Cunningham To: teachers Subject: Key Curriculum Message-ID: Teachers, An addendum to my message from yesterday - Key Curriculum Press has an 800 number - 800-995-Math Connie ccunning@dimacs.rutgers.edu From joer Wed Oct 11 17:23:46 1995 Return-Path: Shurlsmith@aol.com Received: from mail02.mail.aol.com (mail02.mail.aol.com [152.163.172.66]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id RAA18718 for ; Wed, 11 Oct 1995 17:23:37 -0400 From: Shurlsmith@aol.com Received: by mail02.mail.aol.com (8.6.12/8.6.12) id RAA09710 for teachers@dimacs.rutgers.edu; Wed, 11 Oct 1995 17:22:52 -0400 Date: Wed, 11 Oct 1995 17:22:52 -0400 Message-ID: <951011172251_42064667@mail02.mail.aol.com> To: teachers@dimacs.rutgers.edu Subject: origami Help!! I am trying to write a mini grant to sponsor an after school activity, where students will make origami, to reinforce and learn about geometry. Has any one done origami in their class? Since I have never done this with a class, could you tell me some outcomes you have observed, especally the MATH. Also I would like a ball park figure of how much it will cost to do with 20 students. I was given the paper work today and it is do Fri. morn so a quick responce would be very helpful. Thank You, Sue Smith Monticello From joer Wed Oct 11 17:39:59 1995 Return-Path: franzbla Received: (from franzbla@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id RAA18954; Wed, 11 Oct 1995 17:39:59 -0400 Date: Wed, 11 Oct 1995 17:39:59 -0400 From: Deborah Franzblau Message-Id: <199510112139.RAA18954@dimacs.rutgers.edu> To: teachers Subject: connecting to the Web Hello all-- The Worldwide Web (known as WWW or "the Web") is a huge network of resources (including text, graphics, photos, computer programs...) on the internet. You may have seen messages from Judy Brown containing long weird names like "http://www.enc.org/cd/NCTM/standards.html": this is just a WWW address where you can find the text of all of the NCTM standards. If you'd like to start exploring the Web, basically you need the following: 1. A reasonably current IBM-compatible PC or Mac 2. A modem that is rated 14,400 bits per sec or faster 3. A "SLIP/PPP account" [SLIP means "serial line internet protocol", PPP means "point-to-point protocol] 4. Software to let your computer and modem use the SLIP/PPP account If you have 1 and 2, but don't know how to get 3 and 4, I just found out about a nice offer from Netcom that may be what you need. For any K-12 school library, they will provide FREE of charge a "SLIP/PPP" account and software (called "netcruiser"). Their normal accounts cost $20/month (which is standard); however, they do offer K-12 teachers and administrators personal accounts with 1 month free (I'd like to see something more generous, but ...). Before you sign up, do make sure that they have a local phone number for you to dial in to (not every location is near a Netcom access point). Contact Russ Moore (a former teacher), Education Representative at Netcom, at rusmoore@ix.netcom.com and ask him to fax you forms for the "Internet Discovery Program" and/or "Teacher/Administrator Accounts". His phone is 1-800-353-6600 ext 3536. (Let him know how you found out about the program.) If you try this out, please let me know about your experience (both good and bad), and whether this is a good service to recommend to other teachers. Best wishes, Debbie From joer Thu Oct 12 10:23:03 1995 Return-Path: tiberir@IDEA.uml.edu Received: from IDEA.uml.edu (idea.uml.edu [129.63.152.4]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id KAA11364 for ; Thu, 12 Oct 1995 10:22:58 -0400 Received: by IDEA.uml.edu (5.65/DEC-Ultrix/4.3) id AA10308; Thu, 12 Oct 1995 10:22:31 -0400 Date: Thu, 12 Oct 1995 10:22:31 -0400 Message-Id: <9510121422.AA10308@IDEA.uml.edu> From: tiberir@IDEA.uml.edu (Ronald S. Tiberio) To: teachers@dimacs.rutgers.edu Subject: Change of address Cc: tiberir@IDEA.uml.edu Reply-To: tiberir@IDEA.uml.edu Cancel my old email address. The new address is: tiberir@idea.uml.edu for the time being. Sorry for the inconvenience. -- R.S. (Chuck) Tiberio Wellesley High School email: tiberir@idea.uml.edu Wellesley, MA 02181 phone: (617) 446-6290 X230 From joer Thu Oct 12 16:10:26 1995 Return-Path: kowen95@xenon.chem.uidaho.edu Received: from xenon.chem.uidaho.edu (xenon.chem.uidaho.edu [129.101.50.5]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id QAA23289 for ; Thu, 12 Oct 1995 16:09:41 -0400 Received: from cslip5.chem.uidaho.edu by xenon.chem.uidaho.edu with SMTP (1.38.193.4/16.2) id AA00601; Thu, 12 Oct 1995 13:07:49 -0700 Message-Id: Date: Thu, 12 Oct 95 14:13:41 MDT From: "Kristen Owen" Subject: OCTOBER FOLLOW UP To: "Rutgers Teachers" X-Mailer: VersaTerm Link v1.1.5 HEY 95ERS, How did the first follow up go?? Obviously I could not quite make it from Idaho. What kinds of neat things did you guys share etc...? I am going through withdrawls after being surrounded by such outstanding people this summer! I hope all is well with everyone! Bye for now Kristen Owen Kristen M. Owen O'Leary Junior High School Twin Falls, Idaho kowen95@xenon.chem.uidaho.edu From joer Thu Oct 12 17:01:04 1995 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id RAA24088; Thu, 12 Oct 1995 17:01:04 -0400 Date: Thu, 12 Oct 1995 17:01:04 -0400 From: Joe Rosenstein Message-Id: <199510122101.RAA24088@dimacs.rutgers.edu> To: teachers Subject: october 7 follow-up Prompted by Kristen Owen's note, I am describing the program for the October 7 follow-up session. Actually, as I mentioned in the opening session, this was our first-ever discrete math conference! About 110 people participated, and for the first time, the program took two pages to describe (I guess that's what makes it a conference, together with the fact that participants had options at every session). After the brief opening session, participants went to reunion sessions, one for the 1995 commuter group, one for the 1995 residential group, and one for the 1989-1994 groups, to share on what they have been doing recently with discrete mathematics. Then participants chose from three workshops, one intended for K-4 teachers (Mike Fellows on "computational biology for 2nd graders"), one for 5-8 teachers (Dorothy Kaplan on "origami and math"), and one for 9-12 teachers (Brenda Latka on "Hercules and the Hydra: an algorithm on trees"). After lunch, there were three sharing groups, one for grades K-3, one for grades 4-6, and one for grades 6-8, to discuss discrete mathematics at various grade levels, while the high school group heard Mike Fellows talk about the mathematics of passwords and secret codes. Then there was a series of five 20-minute participant presentations -- with three presentations (K-3,4-8,9-12) at each time slot -- a veritable smorgasbord of discrete mathematics. A list of presentations will (may?) appear in a separate message. Finally, Judy Brown led an optional session on the World Wide Web in the computer lab. A good time was had by all. Feel free to post specific comments about things at the session that you would like to share with everyone! Once we process all the response forms, we will put together our program for December -- let us know ASAP if you would like to make a presentation in December (and haven't already told us about it) -- we expect a lot of you to turn up here for our two-day discrete math extravaganza! -- Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 From joer Fri Oct 13 11:51:07 1995 Return-Path: bonnie Received: (from bonnie@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id LAA20467; Fri, 13 Oct 1995 11:51:07 -0400 Date: Fri, 13 Oct 1995 11:51:07 -0400 From: Bonnie Katz Message-Id: <199510131551.LAA20467@dimacs.rutgers.edu> To: teachers Subject: Participant Presentations at the October 7 follow-up session Hello everyone: Below is the list of 15 presentations that were given last Saturday. for grades K-3: Dorothy Zaleski: "Can Remedial 1-3 Students Tesellate?" Claire Passantino: "A 3 Hat Day: Discrete Math & Literature" Jeane Fivehouse & Judith Grogan: "1st Grade Shortest Distance Problems" Joanne Braniff: "Capturing the Concept of Pattern" Doris Abraskin: "3rd Grade Curriculum on 'Mapping': How it connects to Discrete Mathematics For grades 4-8: Joan Migdalof: "A Look at 'How many ways' Using Place Value" Joan Ryan & Lisa Schmidt: "Tracing Pictures with 6th & 7th Graders" Susan Cadwalader: "Introduction to Algebra Using Discrete Mathematics" Star Smith: "Traingular Numbers with Fifth Graders" Charlie Hennessy: "Finding More Patterns Inside Hundreds Chart" for grades 9-12: Chuck Tiberio: "Row Chip Switch" Dave Farber: "Geometry: A Challenge" Bill Bowdish: "Fractal Dimension Via Martha's Vineyard" Nancy Rahal: "Transformational Geometry in Motion" Connie Cunningham: "Irregular Regular Polygons" Bonnie Katz -- Bonnie Katz bonnie@dimacs.rutgers.edu 908-445-2825 From joer Sat Oct 14 23:35:19 1995 Return-Path: idj017@lion.connect.more.net Received: from lion.connect.more.net (lion.connect.more.net [198.209.253.32]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id XAA11166 for ; Sat, 14 Oct 1995 23:35:08 -0400 Received: from [204.185.50.17] ([204.185.50.17]) by lion.connect.more.net (8.6.12/8.6.12) with SMTP id WAA01296 for ; Sat, 14 Oct 1995 22:35:15 -0500 Date: Sat, 14 Oct 1995 22:35:15 -0500 Message-Id: <199510150335.WAA01296@lion.connect.more.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: teachers@dimacs.rutgers.edu From: idj017@lion.connect.more.net (Sheryl Baer) Subject: NCTM Regional Conf Hi Gang, I've just returned from 3 days at the Central Regional Conference of NCTM in Springfield, MO. The conference was wellplanned and well attended. Thursday afternoon Jack Price (Pres NCTM) spoke. Saturday morning I couldn't find the room I was looking for and ask a knowledgeable looking gentleman if he knew where it was. Just as he startedto tell me it was in a different building, I realized "That's Jack Price." (Go to the top with your problems.) I ried to act cool and crossed the street with him making favorable small talk on the hick back. Oh, the room was in the first building. Another personal high light was having Nancy Crisler (of Discrete MAthematics Through Applications fame) introduce herself to me. OK, she was checking to see if I had everything I needed for my workshop. But I did get to tell her that I thought her book was wonderful. I was relived that she did not stay for the session. The workshop: I didn't draw a great time: 8Am on Saturday. So you say that's not so bad... Well, running at the same time was "A Branson Connection Breakfast" promising live entertainment. I was thrilled to have 25 show at the workshop. My topic: Graph Theory in the Middle School: Beyond the Konigsberg Bridge Problem. I just did some of the things I've stolen form you and use in my class. Of course, I did make nice new overheads using the drawing program on my computer. Later a lady from Tulsa asked if I had gone to the Rutgers program. She came in late and didn't hear my grand promo for LPDM. Anyway she went on to say that she and Chuck were "great friends." As you can tell it was a fun filled 3 days and I am still flying high. Wish I could see you in December... Sheryl Baer Nevada Middle School Nevada, MO From joer Tue Oct 17 15:58:14 1995 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (xNY+HjcFEWoQdGhGjejAMz/EsGTilcfk@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id PAA17395 for ; Tue, 17 Oct 1995 15:58:14 -0400 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id PAA10534; Tue, 17 Oct 1995 15:58:12 -0400 Date: Tue, 17 Oct 1995 15:58:12 -0400 (EDT) From: Charles Biehl To: dm teachers Subject: critical path analysis Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Greetings, all! I hope your years are going well. Sorry I couldn't make the first follow-up, but I hear it went well (the reviews were 'rave') and I look forward to seeing all of you in December. It was my birthday on the third and I didn't post anything, so I'm doing it now, and it's in the form of a question dealing with critical path analysis and processor scheduling. Once the critical path for a project is determined, it is necessary to scedule processors to do the tasks, and hopefully complete the task in a minimum amount of time with a minimum number of processors. There are two algorithms for doing this, namely the longest path and algorithm and decreasing time algorithm. In case you're not familiar with these, the longest path algorithm says that available tasks should be started in order of which ones are the longest from the end of the project; decreasing time simply says to schedule the task that takes the longest to do from the ones that are available to be started. My question is this- sometimes (often?) the amount of time with a small number of processors exceeds the length of the critical path. Given a large enough set of processors, the length of the critical path can be achieved, but how do you know if your solution is the optimum, given that you want to minimize both the amount of time AND the number of processors? It almost seems like a two-dimensional knapsack problem, and I'm curious as to what I am overlooking. All replies welcome... Cheers! Chuck /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\//\/\/\/\/\/\/\/\/\/\/\/\ \ L. Charles (Chuck) Biehl / / The Academy of Mathematics and Science "A ship in the harbor \ \ 100 N. DuPont Road. is safe, but that's / / Wilmington, DE 19807 not what ships are \ \ (v)302-651-2727 or 302-651-2673(secty.) built for." / / (f)302-425-4580 \ \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\// From joer Tue Oct 17 20:20:30 1995 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id UAA22757 for ; Tue, 17 Oct 1995 20:20:29 -0400 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.6.10/8.6.6) id UAA51735; Tue, 17 Oct 1995 20:20:27 -0400 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.6.10/8.6.6) id UAA23573; Tue, 17 Oct 1995 20:20:27 -0400 Message-Id: <199510180020.UAA23573@pen2.pen.k12.va.us> Subject: Humor (fwd) -From Dr. Bowen (fwd) To: teachers@dimacs.rutgers.edu (all teachers) Date: Tue, 17 Oct 95 20:20:26 EDT X-Mailer: PENELM [version 2.3.1 PL11] Hi all, Some of these are interesting thoughts....imagine in the 60's speculating about the need for computers in the home??? Jackie According to MSPIKELL@WPGATE.GMU.EDU: > From MSPIKELL@WPGATE.GMU.EDU Tue Oct 17 12:02:23 1995 > From: > Message-Id: > X-Mailer: WordPerfect Office 4.0 > Date: Tue, 17 Oct 1995 11:56:05 -0400 > To: davidsonab@aol.com, nhall2@gmu.edu, beubanks@osf1.gmu.edu, > dpittman@osf1.gmu.edu, kgarton@osf1.gmu.edu, kmorris3@osf1.gmu.edu, > mhelman@osf1.gmu.edu, ncusack@osf1.gmu.edu, rgraham2@osf1.gmu.edu, > smcallis@osf1.gmu.edu, bglazews@pen.k12.va.us, ddelozie@pen.k12.va.us, > jfaillac@pen.k12.va.us, mahewit@pen.k12.va.us, mwyatt@pen.k12.va.us, > scritchf@pen.k12.va.us, ahall2@PORTAL, ddeal@PORTAL, dwetzel1@PORTAL, > kdecker@PORTAL, mshah@PORTAL, Patricia_A._Robertson@wnvt.pbs.org > Cc: DSTERLIN@WPGATE.GMU.EDU > Subject: Humor (fwd) -From Dr. Bowen > > ** Reply Requested by 2/7/2106 (Sunday) ** > see attached ... > Date: 10/13/1995 5:26 am (Friday) > From: WPOFFICE.WPGATE."lbowen@osf1.gmu.edu" > To: WPOFFICE.WPGATE("faculty-grassroots@gmu.edu") > Subject: Humor (fwd) > > > Received: by gmu.edu; id AA04137; Fri, 13 Oct 1995 08:31:54 -0400 > Received: by gmu.edu; id AA24165; Fri, 13 Oct 1995 05:26:23 -0400 > Received: by osf1.gmu.edu; (5.65v3.2/1.1.8.2/07Sep94-1001AM/GMUv3) > id AA00554; Fri, 13 Oct 1995 05:26:22 -0400 > Reply-To: FACULTY-GRASSROOTS@gmu.edu > Sender: owner-FACULTY-GRASSROOTS@gmu.edu > Mime-Version: 1.0 > Content-Type: TEXT/PLAIN; charset=US-ASCII > X-Listprocessor-Version: 7.1 -- ListProcessor by CREN > > > Pause. Larry > > Larry S. Bowen > University Professor of Education and Public Policy > George Mason University > 4400 University Drive > Fairfax, VA 22030 > email: lbowen@gmu.edu > > ---------- Forwarded message ---------- > Date: Thu, 12 Oct 1995 12:33:01 -0700 > From: Richard Cummins > To: Multiple recipients of list TCC-L > Subject: Humor > > "Computers in the future may weigh no more than 1.5 tons." --Popular > Mechanics, forecasting the relentless march of science, 1949 > > "I think there is a world market for maybe five computers." --Thomas Watson, > chairman of IBM, 1943 > > "I have traveled the length and breadth of this country and talked with the > best people, and I can assure you that data processing is a fad that won't > last out the year." --The editor in charge of business books for Prentice > Hall, 1957 > > "But what ... is it good for?" --Engineer at the Advanced Computing Systems > Division of IBM, 1968, commenting on the microchip. > > "There is no reason anyone would want a computer in their home." --Ken Olson, > president, chairman and founder of Digital Equipment Corp., 1977 > > "This 'telephone' has too many shortcomings to be seriously considered as a > means of communication. The device is inherently of no value to us." > --Western Union internal memo, 1876. > > "The wireless music box has no imaginable commercial value. Who would pay for > a message sent to nobody in particular?" --David Sarnoff's associates in > response to his urgings for investment in the radio in the 1920s. > > "The concept is interesting and well-formed, but in order to earn better than > a 'C,' the idea must be feasible." --A Yale University management professor > in response to Fred Smith's paper proposing reliable overnight delivery > service. (Smith went on to found Federal Express Corp.) > > "Who the hell wants to hear actors talk?" --H.M. Warner, Warner Brothers, > 1927. > > "I'm just glad it'll be Clark Gable who's falling on his face and not Gary > Cooper." --Gary Cooper on his decision not to take the leading role in "Gone > With The Wind." > > "A cookie store is a bad idea. Besides, the market research reports say > America likes crispy cookies, not soft and chewy cookies like you make." > --Response to Debbi Fields' idea of starting Mrs. Fields' Cookies. > > "We don't like their sound, and guitar music is on the way out." --Decca > Recording Co. rejecting the Beatles, 1962. > > "Heavier-than-air flying machines are impossible." --Lord Kelvin, president, > Royal Society, 1895. > > "If I had thought about it, I wouldn't have done the experiment. The > literature was full of examples that said you can't do this." --Spencer > Silver on the work that led to the unique adhesives for 3-M "Post-It" > Notepads. > > "So we went to Atari and said, 'Hey, we've got this amazing thing, even built > with some of your parts, and what do you think about funding us? Or we' ll > give it to you. We just want to do it. Pay our salary, we'll come work for > you.' And they said, 'No.' So then we went to Hewlett-Packard, and they said, > 'Hey, we don't need you. You haven't got through college yet.'" --Apple > Computer Inc. founder Steve Jobs on attempts to get Atari and H-P interested > in his and Steve Wozniak's personal computer. > > "Professor Goddard does not know the relation between action and reaction and > the need to have something better than a vacuum against which to react. He > seems to lack the basic knowledge ladled out daily in high schools." --1921 > New York Times editorial about Robert Goddard's revolutionary rocket work. > > "You want to have consistent and uniform muscle development across all of > your muscles? It can't be done. It's just a fact of life. You just have to > accept inconsistent muscle development as an unalterable condition of weight > training." --Response to Arthur Jones, who solved the "unsolvable" problem by > inventing Nautilus. > > "Drill for oil? You mean drill into the ground to try and find oil? You're > crazy." --Drillers who Edwin L. Drake tried to enlist to his project to drill > for oil in 1859. > > "Stocks have reached what looks like a permanently high plateau." --Irving > Fisher, Professor of Economics, Yale University, 1929. > > "Airplanes are interesting toys but of no military value." --Marechal > Ferdinand Foch, Professor of Strategy, Ecole Superieure de Guerre. > > "Everything that can be invented has been invented." --Charles H. Duell, > Commissioner, U.S. Office of Patents, 1899. > > "Louis Pasteur's theory of germs is ridiculous fiction". --Pierre Pachet, > Professor of Physiology at Toulouse, 1872 > > "The abdomen, the chest, and the brain will forever be shut from the > intrusion of the wise and humane surgeon". --Sir John Eric Ericksen, British > surgeon, appointed Surgeon-Extraordinary to Queen Victoria 1873. > > "640K ought to be enough for anybody." -- Bill Gates, 1981 > > > > Richard Cummins > Faculty of Humanities > Columbia Basin College > Pasco, WA 99301 > (509) 547-0511 > > > > From joer Wed Oct 18 17:48:57 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id RAA27935 for teachers@dimacs.rutgers.edu; Wed, 18 Oct 1995 17:48:57 -0400 Date: Wed, 18 Oct 95 17:48:57 EDT From: Judy Brown To: teachers@dimacs.rutgers.edu Subject: origami and math Message-ID: Hi everyone. At the October follow-up, I attended the session given by Dorothy Kaplan on "origami and math". The following Monday, we had an inservice day and so I brought along my pin wheel with the hope that I would have time to meet with Connie, the inclusion teacher I work with, to discuss the possibility of teaching our class how to make them. I taught Connie and several other people, this activity was not on the agenda but was, for many, the high point of the day. (sorry to day but true :( Now for the report on the class reaction: Day one: I showed them the pinwheel and how it opened to a wreath, mathematically speaking it went between hexagon and octagon. They were hooked. Everyone wanted to learn, everyone wanted one. Then the bomb dropped! One kid said, "the principal took a star that looked like that away from some kid on my bus. He said it could be used as a weapon by putting razor blades in it." I must have turned white, I know Connie did. We just stared at each other, what could we say. After a moment we recovered and went on, delaying just long enough to let the kids know that we knew they would NEVER do that. Yes, we still made the stars. First we made boxes using the story of the two brothers long and the two brothers short. One box I did as I told the story. One box we did together as I told the story. The last box they did alone, some of them repeating the story. (remember this is 8th grade low level with inclusion) We then had just about enough time to make the first of the 8 pieces of the pinwheel and then class ended. (we had done a few other things at the begining of the period) The next day as the kids came in I waved one of the pieces and said, you need 8 of these before we can go on. The kids were in groups and there were a few who remembered how and with two teachers it was easy to get everyone working. As each student finished their 8 pieces we helped them put them together, before long there were students helping students and everyone had their own pinwheel. Next we started to hear, "can I make another one?" and before the end of the period at least half of the class had two. Today one girl asked if she could take extra paper home to teach her father how to do one. :) So far, I have had no reports of weapons or razor blades. I am keeping my fingers crossed. There have also been no reports of flying paper in any other classes. But then I did tell them that if they get in trouble that would end my paper folding classes and I have lots they haven't yet seen! I'm sorry for those of you who were not able to attend this wonderful session, but I could not write out the directions. I'd love to hear from anyone else who tried this activity with a class. Bye Judy From joer Fri Oct 20 07:52:01 1995 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (eBhiINHgzBi6Ktel+XGt4OtH4IAN0WfD@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id HAA21928 for ; Fri, 20 Oct 1995 07:52:00 -0400 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id HAA18674; Fri, 20 Oct 1995 07:51:59 -0400 Date: Fri, 20 Oct 1995 07:51:58 -0400 (EDT) From: Charles Biehl To: joe malkevitch cc: dm teachers Subject: Re: critical path analysis In-Reply-To: <199510191403.KAA06372@copland.udel.edu> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Thanks for the info. You and Debbie Franzblau confirmed my suspicions, and I will be much more comfortable. On Thu, 19 Oct 1995, joe malkevitch wrote: > Dear Chuck, > What you say is in general true. Sometimes the critical path > gives a constraint and sometimes the total time divided by the number > of processors. Unfortunately, machine scheduling is known to be NP complete > which means that finding an optimal schedule is in general not likely to > be possible. In some special cases optimal algorithms are known: for two > machines and for tree-like constraint schedules. There is some discussion > of the in fapp and a better discussion in Graham`s article in Math Today > ed. by Lynn Steen. > > Regards, > Joe > From joer Sat Oct 21 22:08:05 1995 Return-Path: ricks Received: (from ricks@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id WAA18191 for teachers@dimacs.rutgers.edu; Sat, 21 Oct 1995 22:08:05 -0400 Date: Sat, 21 Oct 95 22:08:04 EDT From: Janice Ricks To: teachers@dimacs.rutgers.edu Subject: [sandy@forum.swarthmore.edu (Sande Blumenthal): Welcome] Message-ID: The following information seemed to have so many good addresses, I thought I'd pass it along just in case someone might be interested. --------------- Received: from forum.swarthmore.edu (root@forum.swarthmore.edu [130.58.72.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id LAA00815 for ; Sat, 21 Oct 1995 11:15:16 -0400 Received: from [130.58.2.3] (ara1.beardsley.swarthmore.edu [130.58.2.3]) by forum.swarthmore.edu (8.6.11/8.6.6) with SMTP id LAA23665 for ; Sat, 21 Oct 1995 11:08:03 -0400 Message-Id: <199510211508.LAA23665@forum.swarthmore.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Sat, 21 Oct 1995 11:10:52 +0100 To: workshop@forum.swarthmore.edu From: sandy@forum.swarthmore.edu (Sande Blumenthal) Subject: Welcome It is wonderful to be a part of such a great learning community. Swarthmore has been really instrumental in fostering telecommunication activities. Here is a list of some abc's I have compiled a. research on stars, virtual museums >Here are some great sites on the internet worth checking out if you have >access at your school. >1. Education Hotlists (Part of the Franklin Science Institute Museum Site) >http://sln.fi.edu/tfi/hotlists/hotlists.html This list is the best list I have >found for K12 projects. They are catagorized by subject/curriculum and then >subcatagorized by project type. >2. KID >http://www.clark.net/pub/journalism/kid.html This site is a menu list that >will take you to the best k12 sites onn the net. I found the Franklin Science >Institute Museum from this site. (The Franklin Science Institute Museum has an >excellent, easy tutorial on the World-Wide Web as a link from it's home page.) > >3. ZIA Kids >http://www.zia.com/kids.htm >This is a wonderful image map of project listings according to curriculum >type. b. visit people all over the world http://www.stolaf.edu/network/iecc (30 different countries) You can subscribe to this by: E-mail message to iecc-requests@stolaf.edu Body of message: subscribe iecc or - - E-mail message, leaving the Subject line blank to: listserv@unccvm.uncc.edu Body of message: SUBSCRIBE penpal-L your name LISTSERV@SUVM.SYR.EDU BODY of message: Subscribe K12Pals your name c. check out resources for talented and gifted at THere is a listserver TAG-L (Talented and Gifted Education) Send message sub TAG-L your name to listserv@vm1.nodak.edu I have been on this list before and it is generally pretty busy. d. Join: Joan Anthony Subject: Finding fall in grades 2-3 Project > >Once a week, I'd like you to report in concerning the noon time temperature at >your school, the sunrise/sunset times for the day, the appearance of a tree >adopted by your class, and other signs of fall you'd like to share. I will >forward them to other participants. We will begin soon and report through late >October (or early November). The data you collect and share can be used as a >mapping activity, writing, math, science, problem solving, etc. etc. If you >are interested please e-mail me with your name, mailing address, and e-mail >address. Thanks e. Fish net site Just ran into this great magazine on the Web for students. Check it out at: http://www2.interpath.net:80/sbi/Open.html f. From: J9Lantz@aol.com Subject: City/ Suburb/ Farm Survey Hello, we are the first and second graders at Saint Mark's School in Yonkers, NY. We are learning about communities and would like your help. Please answer the following questions: 1.What kind of community do you live in? Farm / City / Suburb 2.What do you do for fun? 3. What do you do when it's raining? 4.Farm Community: How do you get the milk out of the cows? How do the eggs get out of the chickens? How do you know that the chickens laid an egg? 5. All Communities: Where do you get your milk from? store / farm/ your own cow 6. Tell us what is special about your community. Please answer as soon as you can!! Thank you, Miss Lantz + the first and second grade g. Bird Migration Watch [Multiple grade levels; Special Event Oct. and March] Contact: Judson Elliott or Nick Barber (a-1@nptn.org) Bird migration makes for an interesting and educational experience. Students can record their observations about the birds in their area and post the results for others to compare and read. Two special weeks are set aside as concentrated bird watching sessions in October and in March. During the remainder of the year postings can be made on observations from home or school. Special files on birds, bird migration, and the hobby of bird watching are available for on-line research. h. Call for Participants in Global Values Research Project St. James Elementary School, a K-8 school of 500 students located in Columbus, Ohio is searching for schools in countries around the globe who are willing to cooperate in a year-long research project. The purposes of this research project are: 1) to heighten student's awareness of cultural differences and similarities 2) to facilitate student's learning of the way cultures are the same by identifying common or "universal values" (i.e. love,trust, and community) 3) to help children begin to clairify their own values 4) to help students learn to use tools and skills needed for participation in the "global workplace" (i.e. telecomputing, cooperative learning) We are currently attempting to set up contacts in counties other than the United States. We are particularly interested in communicating with the countries of: Australia, France, Scotland, Mexico, Spain, Japan, and Tiawan BUT WELCOME OTHERS. WE will use English as our primary language of communicatino. Each class will design their own project but each will include: 1)research about global values through a survey 2)exchange of writing samples about global values. If you are interested in participating or if you have information about where we might find interested parties, please contact: ckilbane@magnus.acs.ohio-state.edu i. Begins: September, 1995 The project will last three months "Live From the Stratosphere" For more information, email to: info-lfs@quest.arc.nasa.gov Contact person: Marc Siegel marc@quest.arc.nasa.gov Following a team of airborne astronomers as they fly across the United States, conducting infrared astronomy research at 41,000 feet. The project includes live television and a printed teacher's guide, as well as online resources. See our Web site for even more information: URL: http://quest.arc.nasa.gov/livefrom/stratosphere.html (Active Sept 1) j. MATH OLYMPICS ** NEW FOR 1996 - MATH OLYMPIC WARM-UPS BI-MONTHLY ** [Multiple grade levels; Special Event - May 8-15, 1996] Contact: Shelly Benner (a-1@nptn.org) and Jerry Martin (bv802@cleveland.freenet.edu) Students from all grades compete in Number Munchers and Speedway Math and compete in their own age division. All participating classes are sent a certificate of participation and winners receive ribbons. This event is part of the TeleOlympics. Bi-monthly warm-ups will vary so check in advance to see which of the programs they are running! Warm-ups scheduled for: Oct. 10-13, 1995, Dec. 12-15, 1995, Feb. 13-15, 1996, and April 16-18, 1996. k. Geometry forum. Ask Dr. Math, etc. forum.swarthmore.edu l. CHECK OUT THIS MAGAZINE crc@wentworth.com Morning all... Just wanted to pass along some great news from Classroom Connect Headquarters! (Seems great news comes in threes!) 1. Our Educator's World Wide Web Tour Guides have finally arrived from the printer -- and the CD ROM close on its heels. This book (which we'll be shipping in the next few days!) is your essential classroom guide to the World Wide Web, with more than 500 Web sites listed and indexed in 11 curriculum areas. From Art to Vocational Education. It includes a really hot 16 page color section in the center, with an additional 48 sites in full color. The CD-ROM contains all of the sites in the book and Web browser software, so you can view the sites without even having a live Internet connection! The book/CD ROM bundle is $39.95. Visit http://www.wentworth.com or call (800) 638-1639 for more info. 2. The new version of our All In One Internet Kit has been released. It's now bigger, with more software, and has a doubled-in-size installation guide so buyers will have no trouble at all getting online quickly. The All In One is a book/disk package that contains all the basic information you need to get online, and all of the software you need to navigate the Net graphically with a SLIP/PPP connection (3 disks worth--from email to the Web!). It's $49. 3. Color inserts and wraps for Sept.'s CRC have also arrived. This means we're pressing full speed ahead with getting the Sept. issue collated, stapled, and shipped. You should be getting your issues by the 13th of Sept. The small delay was necessary as we created the color insert and wrap for the issues -- we're on track now and there will be no more delays. So - you'll be getting your issues with a new wrap, and not in an envelope. Enjoy! (We're actually only a day or two from finishing the design of the Oct. issue, so that'll go to the printer ASAP, and we're also about two weeks away from getting done with writing the Nov. issue. Phew!) We're all a little tipsy here with excitement -- and new projects are just getting under way this week as well. More info as we get further along! Timothy McLain Wentworth Worldwide Media tmc@wentworth.com Phone: (717) 393-1000 * Internet Consultant * URL: http://www.wentworth.com m. COMPUTER DICTIONARY If you have access to the Web try the 'Computer Dictionary' at http://wombat.docic.ac.uk n. SITES FOR TEACHERS I am preparing a training session for college teachers who are beginning uusers of the internet and I would like to present them with a list of various Lists which might interest them--lists in the humanities, sciences, arts. Of course, I will put EDTECH first. Any other favorites that could be added? >John M. Barton, Henderson, TN >barton@jackson.freenet.org This summer I took a Mathematics Technology class at Northern Michigan University in Marquette, MI. We received the following URL list to start us out on the web. Subject: URL LIST 7/12/95 http://www-groups.dcs.st-and.ac.uk http://archives.math.utk.edu http://forum.swarthmore.edu **** http://www.house.gov http://www.utk.edu http://www.internet.net http://wwwofe.er.doe.gov http://www.utexas.edu http://www.ed.gov http://www.fedworld.gov http://www.uq.oz.au http://131.92.128.6/ http://k12.cnidr.org:90 http://www.kb.bib.dk/Web/Internet-Interviews/Internet-Interviews.html http://volcano.und.nodak.edu http://www.colostate.edu/Depts/Entomology http://seawifs.gsfc.nasa.gov/scripts/JASON.html http://plaza.xor.com http://www.eu.net http://www.ornl.gov/home.html http://www.halcyon.com http://cirrus.sprl.umich.edu/Weather_Underground.html http://www.eff.org/ http://unite2.tisl.ukans.edu/intro.html http://www.peinet.pe.ca:2080/Chorus/home.html http://hillside.coled.umn.edu/others.html http://www.bus.msu.edu http://riceinfo.rice.edu http://mistral.enst.fr/cgi-bin/eat-me http://www.eeng.dcu.ie/eenghome/eenghome.html http://www.scifi.com http://www.cnet.com http://www.cbs.com http://www.starwave.com http://tesla.discovery.com/DCO/world/science/science.html Charles E. Yeager Teacher National Mine Middle School Rt. 3 Box 1117AA Ishpeming, MI 49849 CYeager@nmu.edu o.>>From rem@nptn.org (Robert Morgan) >NESPUT SCHEDULES FIRST SIMULATION >The National Educational Simulations Project Using Telecommunications has >scheduled the first in a series of school year telecommunicated simulations. TThese simulations involve schools worldwide in simulating space science missions in the classroom and via telecommunications. These simulations include any or all of the following telecommunications features: >1. Shared information about classroom activities. 2. Exchange of GIF images 3. >Mission exchanges between schools and their missions simulating actual data >relay as used in genuine NASA missions 4. Exchange of brief audio files 5. >Live video using CUSeeMe on the internet >If you're interested in participating or would like information on simulating >outer space activities in the classroom or via telecommunications, please send >email to Robert Morgan, rem@nptn.org for a complete introductory kit or write >to Robert Morgan, University School, 20701 Brantley Rd. , Shaker Heights, Ohio >44122 (216-321-8260). >The first telecommunicated simulation for this school year is scheduled for >Wednesday, October 18, 1995. Other simulated activities during the 1995-1996 >school year include a salute to Chris McAuliffe, a simulation of historic >space missions, and a major 24 hour mission in April. >A listserve dedicated to NESPUT activities is available. To join, send a >message to >listserv@nptn.org >In the body of the message type: >subscribe nesput <> >without the brackets p. From: tmc@wentworth.com (Tim McLain) Need a killer graphical presentation to sell your school, school board, or administrators on the merits of using the Internet in your school, and what it's all about? Need a self-running presentation to teach your staff about what the Internet is, what navigation tools are available, how to get around, tour gopher, ftp, and Web sites, talk about funding issues (and where to get $$) and the future of Internet use in the classroom?? Well, I've just completed a 75-minute self-running demo using the new version of Astound, a great presentation package, for three upcoming educational conferences I'll be speaking at. It'd be excellent to use for any of the purposes above since it covers so much ground so quickly. (Even includes a 1 minute QuickTime movie to keep things lively and kick things off right!) ----------------------------- You must have at least 4 megs of Ram to run the presentation on a Mac. Windows users must have Windows 3.1 and 6 or 8 megs of RAM running QuickTime to make this baby cook. Be sure to have 15 megs of space availavble on your hard drive. If you'd like to download the entire presentation (with all the graphics, etc. intact!) for your Macintosh or Windows machine, here's where to get it: Ftp to: ftp.wentworth.com Go to the wentworth/Internet-Software/Demos subdirectory and retrieve Mac.Edu.Internet.Demo.sea or edudemo.zip ----------------------------- Uncompress whichever archive you get, and run the presentation! (The Mac .sea file will automatically uncompress when you double click it. Use unzip on your IBM to uncompress the .zip file.) NOTE: Due to the size of the presentation, this is the only way I can distribute it. I cannot send you the demo on disk. Sorry! FTP only. If you have any problems with the files, please email me at the address below. q DISCOVER A NEW WAY TO COMMUNICATE (-: T H E S M I L E Y I N D E X :-) The increasing number of computers and electrical communications requires new standards. We now bring you one of the most important necessities; THE SMILEY. :-) the normal smiling face, appended to a sentence or an article means 'this is a joke' or 'this is supposed to make you laugh' :-| no expression face, 'that comment doesn't phase me' :-( Sad or angry face ("unsmiley"), 'that comment makes me sad [mad]' :-} Fiendish grin ;-) used after a (slightly) sarchastic comment *or* A wink *or* smiling face gets his lights punched out (could be pirate smiling face??), submitter is a practical joker who played one too many and got beat up ;-| no expression face gets his lights punched out, says nothing but still gets beat up ;-( sad face gets his lights punched out, sad or mad and got beat up, or 'that makes me so mad that if I ever see you I'll punch your lights out' |-( Smiley sent late at night :-> Same as #1 except person who submitted it has problems with their lips :-{) Same as #1 except submitter has mustache :-} normal smiling face with pretty lips, same as #1 except person that submitted it is wearing lipstick or some other lip appearance improving device :-\ popeye smiling face, for people who look like popeye ;-\ popeye gets his lights punched out :-] biting sarcasm smiling face, used when sarcasm is intended, since we cannot inflect our voice over the net :-[ biting criticism smiling face, ditto for criticism :*) drunk smiling face, for those of us who like get intoxicated before or while reading netnews : ) smiling face needs a nose job, no explanation necessary :>) submitter has a big nose :<| submitter attends an Ivy League school :%)% submitter has acne =:-) submitter is a hosehead :-(*) submitter is getting sick of most recent netnews articles and is about to vomit :-)8 submitter is well dressed 8:-) submitter is a little girl :-)-{8 submitter is a big girl %-) submitter is cross-eyed #-) submitter partyed all night :-* submitter just ate a sour pickle -:-) submitter sports a mohawk and admires Mr. T (:)-) submitter likes to scuba dive :-'| submitter has a cold :-)' submitter tends to drool ':-) submitter accidentally shaved off one of his eyebrows this morning (-: submitter is Don Ellis from Tektronix 8:] normal smiling face except that submitter is a gorilla %-^ submitter is Picasso (-: submitter is left-handed 0-) submitter is an arc-welder *or* submitter is wearing a scuba mask *:o) submitter is a Bozo 8-) submitter wears glasses *<|:-) submitter is Santa Claus (Ho Ho Ho) o-) submitter is a cyclops %-) submitter with long bangs (-) submitter needing a haircut *-( Cyclops got poked in the eye &-) person submitting has been staring at the terminal for 36 hours B-) person submitting is cool and wearing cheap sunglasses B-| person submitting is hypercool and wearing cheap sunglasses P-) person submitting is getting fresh :^( submitter has had his nose put out of joint. Useful for replying to flames. |-) Submitter is asleep |-( Submitter is asleep (boredom) .-) Submitter has one eye '-) Submitter only has a left eye, which is closed :=) Submitter has two noses :-D Submitter talks too much _ :-) Submitter is Prince Charles - :-o Submitter is shocked :-{ submitter has read too many of the toilet paper articles previous to lunch :-)= Respondent has beard. :-)@ Respondent's beard has permanent wave *or* was drawn by Picasso. :-# Respondent's lips are sealed. -(:-) Submitter is the pope 8:-) Submitter wears glasses but has them placed on his/her forehead {(:-) Submitter is wearing toupee. }(:-( Submitter, wearing toupee in wind. <|-)= Submitter is Chinese. (sorry bout that) <|-(= Submitter is Chinese and doesn't like this article. :-( Submitter has read too many 'smiley' articles. ___ / \ | RIP | Submitter accidentially died |_____| O|-) Submitter is a saint 8:-I Submitter is a Unix-wizard Z-) Submitter is from the Twilight Zone X-( Submitter is to perform suicide :-I hmm ? E-:-I Submitter operates on net.ham-radio ::-I The same for net.startrek 3:o[ ... net.pets :-# Submitter wears braces :-)X Submitter wears a bow tie :-Q Submitter is a smoker <:I Submitter is a dunce (:I Submitter is an egghead B-) horn-rims 8:-) submitter wearing his glasses on his forehead :-8( condescending stare :-` smiley spitting out its chewing tobacco :-1 smiley bland face :-! " :-@ smiley face screaming :-#| smiley face with bushy mustache :-$ smiley face with it's mouth wired shut :^) smiley with pointy nose (righty) :-7 smiley after a wry statement :-s smiley after bizarre statement/comment :-* smiley after eating something bitter :-& smiley which is tongue-tied :-9 smiley licking it's lips :-0 smiley orator smiley invisible man (:-( unsmiley frowning (:-) smiley big-face ):-) " ):-( unsmiley big-face )O-) big-face scuba smiley =:-) punk-rocker smiley =:-( (real punk rockers don't smile) =:-#} smiley punk with a mustache.... :-q smiley trying to touch its tongue to its nose :-e disappointed smiley :-t cross smiley :-i semi-smiley :-o smiley singing national anthem :-p smiley sticking its tongue out (at you!) :-[ un-smiley blockhead :-] smiley blockhead {:-) smiley with its hair parted in the middle (could be a priest) }:-) above in an updraft :-a lefty smilely touching tongue to nose :-d lefty smiley razzing you g-) smiley with pince-nez glasses :-j left smiling smilely :-k beats me, looks like something, tho. :-: mutant smiley : submitter is a robot (or other appropriate AI project) :-\ undecided smiley :-| "have an ordinary day" smiley :-c bummed out smiley :-v talking head smiley :v) left-pointing nose smiley :-b left-pointing tongue smiley :-/ lefty undecided smiley :-? smilely smoking a pipe :-=) older smiley with mustache :u) smiley with funny-looking left nose :n) smiley with funny-looking right nose :> midget smiley :< midget unsmiley :-)/2 remark was only half in jest _____________________ ****************** Sarah Seastone Editor/Administrative Assistant The Geometry Forum sseasto1@cc.swarthmore.edu r. GOPHER JEWELS gopherjewels@einet.net (Multiple recipients of list) Subject: Education collection Date: Wed, 08 Jun A VERY nice collection on Education at the Arizona State Univ. Other Education Related Gopher Servers --> 1. Centers, Laboratories and Clearinghouses for Education/ 2. Colleges and University Departments of Education/ 3. Federal (U.S.) Agencies Concerned with Education/ 4. Full Text Electronic Journals & Education Resources/ 5. Higher Education Gophers/ 6. K-12 School Districts/ 7. Resources for K-12 Education/ 8. Scholarly Resources for Education Research/ 9. State, Provincial and National Education Agencies/ 10. Various Subject Trees that Include Education/ Type=1+ Name=Other Education Related Gopher Servers Path=1/asu-cwis/education/other Host=info.asu.edu Port=70 Admin=Gene V. Glass (glass@asu.edu) ModDate=Fri Jun 3 22:04:23 1994 <19940603220423> URL: gopher://info.asu.edu:70/11/asu-cwis/education/other s. CHECKOUT TOURBUS =*= SUBSCRIBE : Send SUBSCRIBE TOURBUS to majordomo@colossus.net =*= unSUBSCRIBE: Send UNSUBSCRIBE TOURBUS your-email-addr =*= Web Site : http://csbh.mhv.net/~bobrankin/tourbus t. Multiple recipients of list BESTWEB Subject: KID SAFE SITES-LIST Someone (forgive me for not being able to pull up their name at the moment) requested Kid-Safe areas for children ages 6-10 to go to on the Internet. As I think this is an incredibly important request, I am posting my listing of sites totally suitable for children from 6-11 and have to inform all of you...they're a lot more educational than what your children maybe watching on TV at the moment :) Enjoy to all my Best Web Buddies !!! KIDS SAFE SURFING: http://ppc.westview.NYBE.North-York.ON.CA/WWW/wcss.html http://mack.rt66.com/kidsclub/home.htm http://www.ccnet.com/pegpoker/ http://www.klsc.com/children/ http://rdz.stjohns.edu/kidopedia/ http://www.freenet.ufl.edu/~afn15301/drsuess.html http://www.portal.com/~rkoster http://I-site.on.ca/Isite/Education/Bk_report/ http://www.netnanny.com/netnanny/ http://www.eden.com/~greg/cb/index.htm http://ppc.westview.NYBE.North-York.ON.CA/WWW/wcss.html http://www.ucalgary.ca/~darmstro/kid_links.html http://fox.nstn.ca/~puppets/activity.html http://longwood.cs.ucf.edu/~MidLink/ http://robot0.ge.uiuc.edu/~carlosp/color/ http://www.pd.astro.it/local-cgi-bin/kids.cgi/forms http://www.safesurf.com/wave/sskwave.html http://www.primenet.com/~sburr/index.html http://ipl.sils.umich.edu/youth/StoryHour/ http://www.wln.com/~deltapac/ocean_od.html Liz Tompkins of MA Multi-Faceted Net Extraordinaire!!! email: liz@kersur.net 2nd email: designs@ix.netcom.com web pick o'the day: http://www.telescan.com/hdesign.html (Home Design) >>>=========================================================== IIIf you would like to help out, and you know of projects that are open to outside participants, please send a message to: >>proj.register@gsn.org >>Make sure the message INCLUDES the following information: >>- Month and year project BEGINS >>- How long the project will last (approx.) >>- Name of project >>- The email address for the contact person >>- A one-two sentence project description >>- OPTIONAL: The URL where potential participants cccan find additional information SN will list this information in a matrix divided by the month in which ttthe project begins. >>The matrix will be accessible via the WWWeb and distributed via the HILITES >>mailing list. >>Here are examples of upcoming projects: >>On-going (appropriate to join at any time) >>========================================== WWWhere on the Globe is Roger >>Scientist-on-Tap >>October 1995 >>============ >>California WWWeb Project (10/31 - 4/15) >>November 1995 >>============= >>Letters to Santa (11/1 - 12:15) >>March 1996 >========== >>Mayaquest II (6 weeks) >>Dates TBA >>========= >>Fieldtrips >>Geogame >>Newsday >>Family Tree-Mail >>Global Grocery List >>Jason Project >>NOTE: >>* You can find more information on on-line projects aaand classroom implementation strategies at: >>http://gsn.org/gsn/gsn.projects.html >>* Or, you can subscribe to the HILITES mailing list by sssending a message to: HILITES@gsn.org >Earth Science Resource Center at Colorado School of Mines will be: >jproud@flint.mines.edu ----------------------------- u. LITERATURE /www.webfeats.com/illusion/index.html Since I've received several requests for these addresses I thought I'd post them to the entire list. KIDLIT-L is a list that discusses how to use children's literature in the classroom, and compiles lists of appropriate books for integrating into a theme. To join send to listserv@bingvmb.cc.binghamton.edu send the message to subscribe and give your name. The other listserv is CHILDLIT. This one has lots more discussion, and will tackle any qustion about children's literature. To subscribe to this one send a subscribe command to listserv@rutvmi.rutgers.edu I look forward to seeing your contributions on the lists. Masha K. Rudman | Rudman@educ.umass.edu | v. HOMEWORK PAGE This is a collection of pointers to information likely to be of value in researching a school project. The collection organizes pointers by category and primarily uses the services of Galaxy, Yahoo and the WWW Virtual Library. http://www.tpoint.net/~jewels/homework.html David Riggins david.riggins@tpoint.net http://www.texas-one.org gopher.texas-one.org From joer Sun Oct 22 09:56:38 1995 Return-Path: tiberir@IDEA.uml.edu Received: from IDEA.uml.edu (idea.uml.edu [129.63.152.4]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id JAA28194 for ; Sun, 22 Oct 1995 09:56:37 -0400 Received: by IDEA.uml.edu (5.65/DEC-Ultrix/4.3) id AA21557; Sun, 22 Oct 1995 09:56:11 -0400 Date: Sun, 22 Oct 1995 09:56:11 -0400 Message-Id: <9510221356.AA21557@IDEA.uml.edu> From: tiberir@IDEA.uml.edu (Ronald S. Tiberio) To: teachers@dimacs.rutgers.edu Subject: Web Site Cc: tiberir@IDEA.uml.edu Reply-To: tiberir@IDEA.uml.edu At the last follow-up session, someone distributed maps of the states broken down by county. (I think it was Judy Brown but I'm not sure.) The question is this. What is the address of the web site to get these maps. Thanks for the help! -- R.S. (Chuck) Tiberio Wellesley High School email: tiberir@idea.uml.edu Wellesley, MA 02181 phone: (617) 446-6290 X230 From joer Sun Oct 22 10:46:57 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id KAA28901 for teachers@dimacs.rutgers.edu; Sun, 22 Oct 1995 10:46:57 -0400 Date: Sun, 22 Oct 95 10:46:56 EDT From: Judy Brown To: teachers@dimacs.rutgers.edu Subject: state maps Message-ID: Prompted by Chuck's post I decided to send the map site URL off to everyone, I hope that you find it useful. http://www.lib.utexas.edu/Libs/PCL/Map_collection/Map_collection.html Judy From joer Tue Oct 24 08:58:12 1995 Return-Path: bonnie Received: (from bonnie@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id IAA11645; Tue, 24 Oct 1995 08:58:12 -0400 Date: Tue, 24 Oct 1995 08:58:12 -0400 From: Bonnie Katz Message-Id: <199510241258.IAA11645@dimacs.rutgers.edu> To: tiberir@IDEA.uml.edu CC: teachers@dimacs.rutgers.edu, tiberir@IDEA.uml.edu In-reply-to: <9510221356.AA21557@IDEA.uml.edu> (tiberir@IDEA.uml.edu) Subject: Re: Web Site Chuck: Yes, it was Judy Brown. You can write to her directly: Judyann at DIMACS.rutgers.edu (I think!). I will check it to make sure and if not, send you a corrected address. Bonnie -- Bonnie Katz bonnie@dimacs.rutgers.edu 908-445-2825 From joer Tue Oct 24 15:56:19 1995 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id PAA29720; Tue, 24 Oct 1995 15:56:19 -0400 Date: Tue, 24 Oct 95 15:56:18 EDT From: Patrick Carney To: teachers, crogers@igc.apc.org Subject: MD Science Center Message-ID: Hi- I thought I would let you all know about the interesting experience I had at the Maryland Science Center this weekend. As you may recall from Joe's post last year about when he took his daughters there, they have opened a display taking up the entire 3rd floor called "Beyond Numbers". They have a lot of DM stuff there. In fact, you would swear that they have been through the curriculum at Rutgers. While there, I was thinking I could easily teach a course using nothing but the stuff on that floor. In addition to the firehouse problem Joe mentioned, they had the TSP problem in 3-D (on globes). You press buttons to indicate your next city and the route lights up. On one you start at Baltimore and come back. On the other, you just have to start there and hit every city. A com0puter keeps track of your miles and at the end, you can compare it to the best. If you hit the best, the little noise lets all around you know you did it. They also had tessalations, The had the 4-color problem with a US map (western part) and state shaped pieces of all 4 colors and you have to actually place them on the map and make the map. They show the utility problem (connect 3 utilities to 3 houses w/o crossing. They have a slate and also a torus (doughnut) shaped slate to show that you can do it on that (non-coplanar). One of the more interesting things from the Science area (it IS a science center after all) was how they studied bees. They needed to be abele to record the comings and goings at the hive. So they marked them all with BAR CODES (remember who is writing this post). They had a big magnifying glass above a hive and you could see the little bar codes attached to them which were read as they entered or left the hive. I loved it. But I digress (of course to make a long story short, don't ask me to tell it). The program was an overnight camp-in for teachers. In honor of the 3rd floor, they stressed math this year (it is usually science). All these teachers come in for workshops at 8:30 and 9:30 pm followed by an ice cream social at 10:30 and all night IMAX presentations at 11:30. Of course, one needn't stay all night (I watched only one -- "Stormchasers" before my back gave out). We slept on the floors among the exhibits in sleeping bags. The next morning, they had breakfast at 6:30 and a planetarium show at 7:15. Then 8 and 9 were workshops.Chuck Biehl and I performed 2 each. He did fractals and I did Fibonacci. It was a great experience. They also do it for kids. Thwey will have one for kids in April. I strongly second Joe's recommendation of the place. Just about everything is hands-on and the people were great. If you ever get to Balt., be sure to stop in (as well as the NSA code museum south of ther city in Ft. Meade). Take care, Bro. Pat Carney From joer Thu Oct 26 13:36:15 1995 Return-Path: <@RUTVM1.RUTGERS.EDU:JOEYC@CUNYVM.CUNY.EDU> Received: from RUTVM1.RUTGERS.EDU (rutvm1.rutgers.edu [128.6.7.12]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id NAA08767 for ; Thu, 26 Oct 1995 13:36:15 -0400 Message-Id: <199510261736.NAA08767@dimacs.rutgers.edu> Received: from RUTVM1.RUTGERS.EDU by RUTVM1.RUTGERS.EDU (IBM VM SMTP R1.2.1MX) with BSMTP id 1193; Thu, 26 Oct 95 13:34:51 EDT Received: from CUNYVM.CUNY.EDU (NJE origin MAILER@CUNYVMV2) by RUTVM1.RUTGERS.EDU (LMail V1.2a/1.8a) with BSMTP id 1572; Thu, 26 Oct 1995 13:34:51 -0400 Received: from CUNYVM.CUNY.EDU (NJE origin JOEYC@CUNYVM) by CUNYVM.CUNY.EDU (LMail V1.2a/1.8a) with RFC822 id 8048; Thu, 26 Oct 1995 13:35:50 -0400 Date: Thu, 26 Oct 95 13:31:12 EDT From: joe malkevitch Subject: recent items To: discretion lovers Dear Friends, Recent articles involving mathematics (not necessarily all discrete mathematics) that might interest you or your students are; 1. Science News oct. 14, l995 pg. 252-253 about mathematics being used to help understand the stability of matter. 2. Three items in the Nov.-Dec.; Review of a net generating piece of software (net of polyhedron) pg. 504; pg. 583,584 review of books about surfaces and especial interest, codes. (whoops, the journal is American Scientist.) Regards, Joe From joer Fri Oct 27 07:11:55 1995 Return-Path: fogle Received: (from fogle@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id HAA03713 for teachers@dimacs.rutgers.edu; Fri, 27 Oct 1995 07:11:55 -0400 Date: Fri, 27 Oct 1995 07:11:55 -0400 From: fogle Message-Id: <199510271111.HAA03713@dimacs.rutgers.edu> Apparently-To: teachers@dimacs.rutgers.edu From joer Fri Oct 27 11:01:12 1995 Return-Path: fogle Received: (from fogle@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id LAA08949 for teachers@dimacs.rutgers.edu; Fri, 27 Oct 1995 11:01:12 -0400 Date: Fri, 27 Oct 95 11:01:11 EDT From: fogle To: teachers@dimacs.rutgers.edu Subject: Web Message-ID: In the NOvember 1995 issue of the Mathematics Teacher is an article "Navagating the Web". It has sections titled WHAT IS THE WORLD WIDE WEB, RESOURCES OF INTEREST TO MATHEMATICS TEACHERS and STARTING POINTS ON THE WEB. One of the sites is http://archives.math.utk.ed/k12.html From joer Fri Oct 27 11:07:37 1995 Return-Path: fogle Received: (from fogle@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id LAA09376 for teachers@dimacs.rutgers.edu; Fri, 27 Oct 1995 11:07:37 -0400 Date: Fri, 27 Oct 95 11:07:37 EDT From: fogle To: teachers@dimacs.rutgers.edu Subject: Web Message-ID: If you get my previous message, there is a mistake! So here it goes again. In the November issue of Mathematics Teacher is an article "Navagating the Web" It's sections include WHAT IS THE WORLD WIDE WEB, RESOURCES OF INTEREST TO MATHEMATICS TEACHERS and STARTING POINTS ON THE WEB. One of the sites is http://archives.math.utk.edu/k12.html The article comes under the heading of TECHNOLOGY TIPS in the magazine.I hope you enjoy it. Best Wishes Dave Fogle From joer Mon Oct 30 20:30:17 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id UAA15628 for teachers@dimacs.rutgers.edu; Mon, 30 Oct 1995 20:30:17 -0500 Date: Mon, 30 Oct 95 20:30:16 EST From: Judy Brown To: teachers@dimacs.rutgers.edu Subject: internet connections Message-ID: Hi Everyone, Are you still looking for an Internet Service Provider? Follow these simple directions to use email to find a list of service providers in your area. EMAIL TO: editor@aimnet.com in the subject line, type MY AREA CODE = ??? Put your area code in place of the question marks, then type the same message in the body of the email message. Only send one area code. You'll recieve a list of Internet Service Providers (ISPs) in that area code. I tried, at 4:15 I sent the message, by 5:00 I had a list of 42 different service providers in the 717 area code. I hope you find this useful. Remember, you want a service provider who charges around $20 a month for UNLIMITED use. For access to the WWW you want a SLIP/PPP account. Many of the suggestions I post, including this one, come from Classroom Connect, The K-12 educator's practical guide to using the Internet and commercial online services. If you are interested call 800-638-1639 and ask for a free trial issue of Classroom Connect. The yearly subscription rate is $39, I have found it to be very worthwhile. Happy Halloween Judy From joer Mon Oct 30 21:21:12 1995 Return-Path: LillisW@aol.com Received: from mail06.mail.aol.com (mail06.mail.aol.com [152.163.172.108]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id VAA21557 for ; Mon, 30 Oct 1995 21:21:11 -0500 From: LillisW@aol.com Received: by mail06.mail.aol.com (8.6.12/8.6.12) id VAA25241 for teachers@dimacs.rutgers.edu; Mon, 30 Oct 1995 21:20:40 -0500 Date: Mon, 30 Oct 1995 21:20:40 -0500 Message-ID: <951030212040_58946361@mail06.mail.aol.com> To: teachers@dimacs.rutgers.edu Subject: Block scheduling Hello all, We're beginning to hear a lot about "block scheduling" and I would like to hear from anyone who has tried it about how it really is. We figure in high school we'll be teaching 6 classes a year instead of 5. So our yearly load will be 180 students instead of 150. We also figure that during the one 90 minute slot that's supposed to be for planning we'll be given a duty for half the time (like cafeteria duty). Also I'm still looking for the instructions that went with the disk that does a simplified Geometer's Sketchpad on the TI-82. If anyone has it snail mail would be fine. We just looked at an IBM version of the real Geometer's Sketchpad today after school and it looks really interesting. Looks just like my Mac version! Regards, Lillis From joer Fri Nov 3 11:49:19 1995 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id LAA10245 for ; Fri, 3 Nov 1995 11:49:03 -0500 Received: from cis-ts2-slip7.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA08523; Fri, 3 Nov 1995 11:48:43 -0500 Message-Id: <9511031648.AA08523@xor.cis.brown.edu> X-Sender: jkowalcz@k12.brown.edu (Unverified) Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Fri, 3 Nov 1995 13:11:01 -0500 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: Discrete math resources Cc: jkowalcz@xor.cis.brown.edu At each of the Rutgers follow-ups there has been a great exchange of resources. I have been collecting these resources so that they can be shared more widely. I plan to share the ideas that have been collected recently, but need your help in collecting more complete data on each resource item. At the 10-7-95 follow-up the following items were shared. I would appreicate your additions, corrections and comments on the following 2 resources. ***** Type of Resource: Book-Literature Grade levels: Topic/s addresses: Title: Math Curse Author/s John Scieszka & Lane Smith Publisher: Viking Press - 1995 Publisher address: Publisher phone #: Fax: E-mail: ISBN: 0-670-86194-4 Cost: Comments: ****** The information on this resource is very complete - please help? Type of Resource: Text book? Grade levels: Topic/s addresses: Title or item: The Problem Solver - Strategies for Problem Solving Author/s Publisher: Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: Series for grades K-8 From joer Sun Nov 5 10:58:14 1995 Return-Path: JulieCPAM@aol.com Received: from emout05.mail.aol.com (emout05.mail.aol.com [198.81.10.37]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id KAA12532 for ; Sun, 5 Nov 1995 10:58:13 -0500 From: JulieCPAM@aol.com Received: by emout05.mail.aol.com (8.6.12/8.6.12) id KAA27688 for teachers@dimacs.rutgers.edu; Sun, 5 Nov 1995 10:57:37 -0500 Date: Sun, 5 Nov 1995 10:57:37 -0500 Message-ID: <951105105736_98391277@emout05.mail.aol.com> To: teachers@dimacs.rutgers.edu Subject: Fwd: FW: Hoo, hoo, ha, ha, ha I got this from my son, and got a big chuckle out of it. I decided that probably all of you would enjoy reading it and could use a good chuckle, so here it goes. Best wishes, Julie Csongor (89) --------------------- Forwarded message: From: rcsongor@NVidia.COM (Rob Csongor/NVidia/US) To: JulieCPAM@aol.com (JulieCPAM) Date: 95-11-04 19:41:43 EST Hi, mom. The attached contains more pokes at mathematicians, as well as engineers. To: humor @ notes.nvidia.com @ SMTP cc: (bcc: Rob Csongor/NVidia/US) From: dwight @ NVidia.COM (Dwight Diercks/NVidia/US) @ SMTP Date: 11/03/95 06:56:13 PM Subject: FW: Hoo, hoo, ha, ha, ha ---------- From: DAVID WOOD To: ENGINEERING Subject: FW: Hoo, hoo, ha, ha, ha Date: Friday, November 03, 1995 5:20PM ---------- From: David Moorman To: DAVID WOOD Subject: Hoo, hoo, ha, ha, ha Date: Friday, November 03, 1995 1:08PM How to Hire High Tech People ============================ A bold new proposal for matching high-technology people and professions. Over the years, the problem of finding the right person for the right job has consumed thousands of worker-years of research and millions of dollars in funding. This is particularly true for high technology organizations where talent is scarce and expensive. Recently, however, years of detailed study by the finest minds in the field of psyco- industrial interpersonal optimization have resulted in the development of a simple foolproof test to determine the best match between personality and profession. Now, at last, people can be infallibly assigned to the jobs for which they are truly suited. The procedure is simple: each subject is sent to Africa to hunt elephants. The subsequent elephant-hunting behavior is then categorized by comparison to the classification rules outlined below. The subject should be assigned to general job classification that best matches the observed behavior. Classification Guidelines Mathematicians hunt elephants by going to Africa, throwing out everything that is not an elephant, and catching one of whatever is left. Experienced mathematicians will attempt to prove the existence of at least one unique elephant before proceeding to step 1 as a subordinate exercise. Professors of mathematics will prove the existence of at least one unique elephant and then leave the detection and capture of a unique elephant as an exercise for their graduate students. Computer scientists hunt elephants by exercising Algorithm A: 1) Goto Africa 2) Start at the Cape of Good Hope 3) Work northward in an orderly manner, traversing the continent alterantly east and west 4) During each traverse path, (a) Catch each animal seen (b) Compare each animal caught to a known elephant (c) Stop when match is detected Experienced computer programmers modify Algorithm A by placing a known elephant in Cario to ensure that the algorithm will terminate. Assembly language programmers prefer to execute Algorithm A on their hands and knees. Engineers hunt elephants by going to Africa, catching gray animals at random, and stopping when one of them weighs within plus or minus 15 percent of any previously observed elephant. Economists don't hunt elephants, but they believe that if elephants are paid enough, they will hunt themselves. Statisticians hunt the first animal they see N times and call it an elephant. Consultants don't hunt elephants, and many have never hunted anything at all, but they can be hired by the hour to advise those who do. Operation research consultants can also measure the correlation of that size and bullet color to the efficiency of elephant-hunting strategies, if someone else will only identify the elephants. Planners, who haven't the faintest idea what an elephant looks like or where it lives, will nonetheless plan a perfect utopia. Of course this utopia (with five, ten , fifteen, and twenty year horizon plans) will never be achieved. This is because all the other hunters are too damm busy already hunting or can't afford the costs of administrating the best case social delivery system of manufactured alternative Indian Palm trees. Of course, it really doesn't matter, a federal grant paid for those studies. Politicians don't hunt elephants, but they do follow the heards around arguing about who owns the droppings. Software lawyers will claim that they own the entire heard based on the look and feel of one dropping. Vice presidents of engineering, research and development try hard to hunt elephants, but their staffs are designed to prevent it. When the VP does go to hunt elephants, the staff will try to ensure that all possible elephants are completely pre hunted before the VP sees them. If the VP does see a non-prehunted elephant, the staff will (1) compliment the VP's keen eyesight, and (2) enlarge itself to prevent any recurrence. Senior managers set broad elephant-hunting policy based on the assumption that elephants are just like field mice, but with deeper voices. Quality assurance inspectors ignore the elephants and look for mistakes the other hunters have made when they were packing the jeep. Salespeople don't hunt elephants but spend their time selling elephants they haven't caught, for delivery two days before the season opens. Software salespeople ship the first thing they catch and write up an invoice for an elephant. Hardware salespeople catch rabbits, paint them gray, and sell them as desktop elephants. Validation A validation survey was conducted about these rules. Almost all the people surveyed about these rules were valid. A few were invalid, but they are expected to recover soon. Based on the survey, a statistical confidence level was determined. Ninety-five percent of the people surveyed have at least sixty seven percent confidence in statistics. From joer Wed Nov 8 09:28:30 1995 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id JAA03237 for ; Wed, 8 Nov 1995 09:28:30 -0500 Received: from cis-ts2-slip12.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA12967; Wed, 8 Nov 1995 09:28:23 -0500 Message-Id: <9511081428.AA12967@xor.cis.brown.edu> X-Sender: jkowalcz@k12.brown.edu Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Wed, 8 Nov 1995 10:50:54 -0500 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) (by way of jkowalcz@k12.brown.edu (Janice Kowalczyk)) Subject: Discrete math resources At each of the Rutgers follow-ups there has been a great exchange of resources. I have been collecting these resources so that they can be shared more widely. I plan to share the ideas that have been collected recently, but need your help in collecting more complete data on each resource item. Feel free also to post any wonderful new resources you have found. At the 10-7-95 follow-up the following items were shared. I would appreicate your additions, corrections and comments on the following: ***** I am not familiar with the publication Wonderful Ideas. can anyone add to this? Type of Resource: Article - Wonderful Ideas - October 1995 - pp. 4&5 Grade levels: Topic/s addresses: Monty Hall problem Title: "The Doors of Let's Make a Deal" Author/s: Publisher: Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: ***** Sounds great. Please help fill in this one. Type of Resource: Book - resource Grade levels:? Topic/s addresses: Women Mathematicians and Scientists, Gender Equity Title: She Does Math Author/s: Lynn ? Publisher: American Mathematical Society ? Publisher address: Providence, RI ? Publisher phone #: Fax: E-mail: ISBN: Cost: about $20 Comments:It's all about women scientists and mathematicians. ***** The information on this resource is now more complete thanks to Penni Ross. Please add comments if you have used this resource also. I do not have a Creative Publication Catalog, if any one could fill in that info I would appreciate it. Type of Resource: Books - Resource One binder for each grade level from K-8 Grade levels: K-8 Topic/s addressed:10 Problem solving stategies Title or item: The Problem Solver - Strategies for Problem Solving Author/s Publisher:Creative Publications Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost:about $27 per binder Comments: Series for grades K-8. There are about 120 problems in each binder and they focus on 10 problem solving strategies including working backwards, looking for a pattern, making a table, guessing and checking, etc. They can be made into transparencies and used for whole class discussion. They have proved effective. More comments: ***** I still need more information on this resource. Nancy D. are you out there! I briefly saw this book and it looked wonderful. Type of Resource: Book-Literature Grade levels: Topic/s addresses: Title: Math Curse Author/s John Scieszka & Lane Smith Publisher: Viking Press - 1995 Publisher address: Publisher phone #: Fax: E-mail: ISBN: 0-670-86194-4 Cost: Comments: ***** From joer Wed Nov 8 11:26:46 1995 Return-Path: tiberio@tiac.net Received: from zork.tiac.net (zork.tiac.net [199.0.65.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id LAA06656 for ; Wed, 8 Nov 1995 11:26:33 -0500 Received: from [206.105.155.179] (tiberio.tiac.net [206.105.155.179]) by zork.tiac.net (8.6.9/8.6.6.Beta9) with SMTP id LAA14075; Wed, 8 Nov 1995 11:04:26 -0500 Date: Wed, 8 Nov 1995 11:04:26 -0500 Message-Id: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: teachers@dimacs.rutgers.edu From: tiberio@tiac.net (R. S. Tiberio) Subject: Pascal's triangle Cc: tiberio@zork.tiac.net Hi I am now finishing up a unit on combinatorics. I decided to finish with Pascal's triangle and the binomial theorem. Obviously the kids were interested in looking for patterns in the triangle. One of my students (Tiffany Lopez) found a pattern that I had not seen before. It was pretty easy to prove but was still new. Here it is: Choose any number in the body of the triangle (not 1). Find the six numbers that surround this number (no this is not the Star of David!). For example, choose 165 45 120 55 165 330 220 495. Tiffany's pattern is (220 + 495) - (55 + 45 + 120 + 330) = 165. That is, if you add the two numbers below and subtract the other four numbers you get the original number in the middle. As I said, it is not difficult to prove this (use C(n,r) notation). Has anyone seen this before? R. S. (Chuck) Tiberio phone: (617) 446-6290 X230 Mathematics Department email: tiberio@tiac.net Wellesley High School 50 Rice Street Wellesley, MA 02181-6099 From joer Wed Nov 8 19:30:01 1995 Return-Path: franzbla Received: (from franzbla@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id TAA21849; Wed, 8 Nov 1995 19:30:01 -0500 Date: Wed, 8 Nov 1995 19:30:01 -0500 From: Deborah Franzblau Message-Id: <199511090030.TAA21849@dimacs.rutgers.edu> To: teachers Subject: COMAP article Greetings, There's a nice article by Joe Malkevitch, called "Seeing Geometry" in the Fall 1995 "Consortium", the COMAP newsletter. He surveys contemporary, practical uses of geometry, which overlap many discrete mathematics topics (such as efficient routing of buses, or using fractals to compress video images). --Debbie Franzblau Note: COMAP is the "Consortium for Mathematics and Its Applications"; their phone number is 1-800-772-6627. From joer Wed Nov 8 22:10:22 1995 Return-Path: franzbla Received: (from franzbla@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id WAA29279; Wed, 8 Nov 1995 22:10:22 -0500 Date: Wed, 8 Nov 1995 22:10:22 -0500 From: Deborah Franzblau Message-Id: <199511090310.WAA29279@dimacs.rutgers.edu> To: jkowalcz@xor.cis.brown.edu Subject: She Does Math cc: teachers@dimacs.rutgers.edu Jan, here's information on one of your resources: Type of Resource: Book - resource Grade levels: 9-13 Topic/s addresses: women mathematicians and scientists, role models, gender equity, practical uses of mathematics, jobs using mathematics Title: She Does Math Author/s: Maria Parker, Editor Publisher: Mathematical Association of America (MAA) Publisher address: 1529 Eighteenth St., NW Washington, DC 20036 Publisher phone #: 1-800-331-1622 Fax: 202-265-2384 E-mail: ISBN: 0-88385-702-2 Cost: $24 ($18.50 for MAA members) Comments: Has career histories of 38 women scientists and mathematicians. Includes women in archaeology, fish pathology, and ophthalmology explaining how they use math in their fields. ***** From joer Thu Nov 9 22:13:21 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id WAA07856; Thu, 9 Nov 1995 22:13:21 -0500 Date: Thu, 9 Nov 95 22:13:20 EST From: Judy Brown To: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Cc: teachers@dimacs.rutgers.edu Subject: resource list Message-ID: Hi Jan, I happen to have a copy of Wonderful Ideas and no idea how or where I got it, but I thought the following info might help. Wonderful Ideas is published by: Institute for Math Mania RD #3, Box 765 McCullough Road Montpelier, VT The issue I have is from 1991 and the rates are listed as $36 school rate for the next 8 issues and $24 individual-rate for the next 8 issues. Back issues are available for $4.50. I hope that this info helps lead someone else to add more. Who do we know in VT? Judy From joer Fri Nov 10 06:38:51 1995 Return-Path: esimonia Received: (from esimonia@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id GAA17346; Fri, 10 Nov 1995 06:38:51 -0500 Date: Fri, 10 Nov 95 6:38:51 EST From: Eric Simonian To: jkowalcz@xor.cis.brown.edu (by way of jkowalcz@k12.brown.edu (Janice Kowalczyk)) Cc: teachers Subject: Re: Discrete math resources In-Reply-To: Your message of Wed, 8 Nov 1995 10:50:54 -0500 Message-ID: Hi Jan -- I recieved a copy of "Wonderful Ideas" justlast week: Here is the info: Publisher/Editor: Nancy Segal Janes Wonderful Ideas P.O. Box 64691 Burlington, VT 05406 phone/fax 617-239-1496 1-800-92-IDEAS e-mail: wondideas@aol.com Subscriptions: Schools/libraries $38 individuals $26 As a note: Rachel McAnallen (listed as "Advisor" to the publication) is the speaker at the Fall Meeting of RIMTA (Rhode Island Mathematics Teachers Association) to be held this month! (just noticed ISSN 1058-0573) Hope this helps! Eric From joer Fri Nov 10 16:36:40 1995 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id QAA03998 for ; Fri, 10 Nov 1995 16:36:39 -0500 Received: from cis-ts2-slip5.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA15606; Fri, 10 Nov 1995 16:36:25 -0500 Message-Id: <9511102136.AA15606@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Fri, 10 Nov 1995 17:59:05 -0500 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Thanks to Erica Voolich, Mj Terry, Jowe Malkevitch, Linda Dodge we now know a lot more about the publication Wonderful Ideas. Type of Resource: Article - Wonderful Ideas - October 1995 - pp. 4&5 Grade levels: elementary Topic/s addresses: Monty Hall problem Title: "The Doors of Let's Make a Deal" Author/s: Publisher: Wonderful Ideas Publisher address:P. O. Box 64691, Burlington, VT 05406-4691 Publisher phone #:1-800-92-IDEAS Fax: E-mail: ISBN: Cost:$38 school rate - $26 individual subscription Comments: Good stuff. I use lots of their ideas. Most recent newlsteer had the pinwheel paper folding complete with illustrations. PS. They pay for contributions to their newsletter. -Linda Dodge I have subscribed to Wonderful Ideas for a few years. It tends to concentrate on the lower grades, and there is little to do with applications which as you know is close to my heart but they do some nice things. They solicit articles and thoughts so perhaps some of "our people"might submit things, I think it is a worthwhile publication to moniter. -Joe Malkevitch Wonderful Ideas is an elementary newsletter that comes out 8 times a year -Erica Wonderful Ideas is a monthly publication that has many interesting ideas, frequently around a theme. It was started by Rachel MacInally (sp). -MJ Terry ***** This resources information is complete and useable now. Thanks Debbie Franzblau! Type of Resource: Book - resource Grade levels: 9-13 Topic/s addresses: Women mathematicians and scientists, role models, gender equity, practical uses of math, and jobs using mathematics Title: She Does Math Author/s: Maria Parker, Editor Publisher:Mathematical Association of America (MAA) Publisher address: 1529 Eighteenth St., NW Washington , DC 20036 Publisher phone #:1-800-331-1622 Fax:202-265-2384 E-mail: ISBN:0-88385-702-2 Cost:$24 ($18.50 for members) Comments:Has career histories of 38 women scientists and mathematicians. Includes women in archaeology, fish pathology, and ophthalmology explaining how they use math in their fields. ***** We still need more information on this resource. Nancy D. are you out there! I briefly saw this book and it looked wonderful. Type of Resource: Book-Literature Grade levels: Topic/s addresses: Title: Math Curse Author/s John Scieszka & Lane Smith Publisher: Viking Press - 1995 Publisher address: Publisher phone #: Fax: E-mail: ISBN: 0-670-86194-4 Cost: Comments: ***** From joer Fri Nov 10 16:36:24 1995 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id QAA03984 for ; Fri, 10 Nov 1995 16:36:23 -0500 Received: from cis-ts2-slip5.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA15603; Fri, 10 Nov 1995 16:36:15 -0500 Message-Id: <9511102136.AA15603@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Fri, 10 Nov 1995 17:58:54 -0500 To: Teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: New resources K-8 Here are two K-8 resources that were shared at the October follow-up. One is a literature book about a snowplow that might provide a nice context for activities on Euler paths, the other seems to be a good general resource but in particular has patterns for making playground maps. I would appreciate your additions, corrections and comments on the following them. As I mentioned before, please also post any great new resources you have found. ***** Type of Resource: Book - Literature Grade levels:K-? Topic/s addresses: Euler Paths Title: Kathy and the Big Snow Author/s: Virginia Lee Burton Publisher: Houghton Mifflin Co. Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: ***** Please help fill this in more. Phone number or complete address? Type of Resource:Classroom materials and support Playground map in a kit - other activities and training Grade levels: Topic/s addresses: Map coloring Title: Playground Map Kit Author/s: Publisher: World Game Institute Publisher address: Race St. Philadelphia Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: ***** From joer Sat Nov 11 09:02:56 1995 Return-Path: <@RUTVM1.RUTGERS.EDU:JOEYC@CUNYVM.CUNY.EDU> Received: from RUTVM1.RUTGERS.EDU (rutvm1.rutgers.edu [128.6.7.12]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id JAA27331 for ; Sat, 11 Nov 1995 09:02:56 -0500 Message-Id: <199511111402.JAA27331@dimacs.rutgers.edu> Received: from RUTVM1.RUTGERS.EDU by RUTVM1.RUTGERS.EDU (IBM VM SMTP R1.2.1MX) with BSMTP id 3427; Sat, 11 Nov 95 09:01:30 EST Received: from CUNYVM.CUNY.EDU (NJE origin MAILER@CUNYVMV2) by RUTVM1.RUTGERS.EDU (LMail V1.2a/1.8a) with BSMTP id 4049; Sat, 11 Nov 1995 09:01:30 -0500 Received: from CUNYVM.CUNY.EDU (NJE origin JOEYC@CUNYVM) by CUNYVM.CUNY.EDU (LMail V1.2a/1.8a) with RFC822 id 2000; Sat, 11 Nov 1995 09:02:11 -0500 Date: Sat, 11 Nov 95 08:58:06 EST From: joe malkevitch Subject: A new book To: discretion lovers Dear Friends, Joel Cohen, who is a mathematician at Rockefellar University has written several articles recently about population growth based on mathemati cal modeling considerations. (One appeared in the Sciences and the other in Science.) The articles are in fact extracts from his new (soon to appear ) book, How many people can the earth support? published by Norton. The book is 530 pages. Although I have not seen the book Joel writes very well and I would expect the book to be an excellent one. Regards, Joe From joer Sat Nov 11 10:00:31 1995 Return-Path: ldodge@k12.oit.umass.edu Received: from k12.oit.umass.edu (ldodge@k12.oit.umass.edu [128.119.166.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id KAA27541 for ; Sat, 11 Nov 1995 10:00:30 -0500 Received: (from ldodge@localhost) by k12.oit.umass.edu (8.6.10/8.6.10) id KAA17501; Sat, 11 Nov 1995 10:00:28 -0500 Date: Sat, 11 Nov 1995 10:00:28 -0500 Message-Id: <199511111500.KAA17501@k12.oit.umass.edu> From: ldodge@k12.oit.umass.edu (Linda Dodge (Frontier RSH)) To: teachers@dimacs.rutgers.edu Subject: Elementary math lesson Reply-To: ldodge@k12.oit.umass.edu I need to submit an elementary math lesson plan to the National Teacher Training Institute. This lesson plan must include the use of technology, i.e., video, computer, calculator I have two ideas and would love anyone's input with additional ideas or comments. 1. Euler's Path... use the video tape from Comap that features a snowplow, metermaids, etc. and maybe the literature connection Kathy and the The Big Snow that I just read about on the net this morning. Can anyone suggest some good activities that really engage the students? We have lots of worksheets from our secondary DIMACS and the cute little play about the stolen jewels and I'm sure I can put something very credible together from just those resources but I'd also love to hear more. 2. Since Algebra for Everyone is becoming such a hot topic, I was also thinking about lesson on patterns. I've got many, many activities that would fit but alas, What about a video???? The videos that we use must be readily available to teachers so they can't be something we create ourselves? They want us to use videos interactively with the students....i.e., showing part, stoppping the video, doing an activity, then watching the rest of the video. Thanks for any help you can give me. Linda -- Linda Dodge Math Consultant Frontier Regional High School South Deerfield, MA From joer Sat Nov 11 21:26:28 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id VAA16363 for teachers@dimacs.rutgers.edu; Sat, 11 Nov 1995 21:26:28 -0500 Date: Sat, 11 Nov 95 21:26:27 EST From: Judy Brown To: teachers@dimacs.rutgers.edu Subject: videos Message-ID: Hi The following message was bounced to me by my school librarian. Have any of you hear of these videos or seen them? >From owner-edtech@MSU.EDU Thu Oct 26 10:17:20 1995 Date: Thu, 26 Oct 1995 10:04:09 EDT From: Mary Anna Sooh Subject: Re: Middle School Math I know you're probably looking for computer programs, but there are some excellent new video series that do a great job of teaching concepts. Math Vantage is 15 programs, 15 min. each that prepares students for a smoother transition into algebra and geometry by integrating applications and enrichment activities. It meets NCTM standards. Kids like it because it uses an upbeat approach with student actors. The Power of Algebra is 10 programs, 15 minutes each that combines animation and on-site interviews with professionals who use algebra in their daily lives. The animation uses a Sherlock Holmes/Watson approach to problems and is very compelling. Both series come with excellent teacher guides. Check with your local PBS station to see if they provide them. Mary Anna Sooh msooh@pen.k12.va.us -------- I'd appreciate any information you can provide. Judy From joer Sat Nov 11 23:57:43 1995 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id XAA17914; Sat, 11 Nov 1995 23:57:42 -0500 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.7.1/8.6.6) id XAA124351; Sat, 11 Nov 1995 23:57:38 -0500 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.7.1/8.6.6) id XAA92674; Sat, 11 Nov 1995 23:57:37 -0500 Message-Id: <199511120457.XAA92674@pen2.pen.k12.va.us> Subject: Re: videos To: judyann@dimacs.rutgers.edu (Judy Brown) Date: Sat, 11 Nov 95 23:57:37 EST Cc: teachers@dimacs.rutgers.edu (all teachers) In-Reply-To: ; from "Judy Brown" at Nov 11, 95 9:26 pm X-Mailer: PENELM [version 2.3.1 PL11] According to Judy Brown: > > > Hi > > The following message was bounced to me by my school librarian. Have any of > you hear of these videos or seen them? > > >From owner-edtech@MSU.EDU Thu Oct 26 10:17:20 1995 > Date: Thu, 26 Oct 1995 10:04:09 EDT > From: Mary Anna Sooh > Subject: Re: Middle School Math > > I know you're probably looking for computer programs, but there > are some excellent new video series that do a great job of > teaching concepts. > > Math Vantage is 15 programs, 15 min. each that prepares > students for a smoother transition into algebra and geometry by > integrating applications and enrichment activities. It meets > NCTM standards. Kids like it because it uses an upbeat > approach with student actors. > > The Power of Algebra is 10 programs, 15 minutes each that > combines animation and on-site interviews with professionals > who use algebra in their daily lives. The animation uses a > Sherlock Holmes/Watson approach to problems and is very > compelling. > > Both series come with excellent teacher guides. Check with > your local PBS station to see if they provide them. > > Mary Anna Sooh > msooh@pen.k12.va.us > > > -------- > I'd appreciate any information you can provide. > > Judy > -- Judy, We have The Power of Algebra at school and I have been showing the segments to my Pre-Algebra classes. As usual, some kids get into it and others see no purpose. The videos do have a short segment with a cartoon of Sherlock Holmes in the beginning and at the end with real-life applications in between...interviews with career people using algebra in some sort of way. I will continue showing the rest of them (I've shown 3 segments) to most of my students. The cartoon is kind of silly...be prepared. Make sure you preview them first.. you know your students and pretty much can gauge their reactions. I haven't used any of the Math Vantage but I have heard of it. Jackie ***************************************************************************** Jackie Faillace Getgood Teacher of Mathematics - - Consultant Discrete Mathematics K-8 Stafford Middle School 101 Spartan Drive Stafford, VA 22554 (540) 659 - 2171 e-mail: jfaillac@pen.k12.va.us From joer Sun Nov 12 12:15:18 1995 Return-Path: ccunning Received: (from ccunning@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id MAA29950 for teachers; Sun, 12 Nov 1995 12:15:18 -0500 Date: Sun, 12 Nov 95 12:15:17 EST From: Constance Cunningham To: teachers Subject: Motion Detector Message-ID: Dear Teachers, Does anyone have a motion detector for a CBL unit and/or a laser pointer that you would be willing to bring to the December follow-up? I have several calculators, CBL units and a motion detector to use for demonstrations at the follow-up, but one of the activities I'd like to do, requires two motion detectors and another requires a laser pointer. Thanks for your help! Connie Cunningham ccunning@dimacs.rutgers.edu From joer Sun Nov 12 14:44:51 1995 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id OAA06689 for ; Sun, 12 Nov 1995 14:44:50 -0500 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.7.1/8.6.6) id OAA143465; Sun, 12 Nov 1995 14:44:41 -0500 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.7.1/8.6.6) id OAA65010; Sun, 12 Nov 1995 14:44:35 -0500 Message-Id: <199511121944.OAA65010@pen2.pen.k12.va.us> Subject: election project To: teachers@dimacs.rutgers.edu (all teachers) Date: Sun, 12 Nov 95 14:44:34 EST Cc: mspikell@wpgate.gmu.edu, dpittman@pen.k12.va.us, kmorris3@osf1.gmu.edu, scritchf@pen.k12.va.us, nhall2@gmu.edu, mhelman@osf1.gmu.edu, patricia_a._robertson@wnvt.pbs.org X-Mailer: PENELM [version 2.3.1 PL11] > > Hi all, > > I'm finishing a unit on Social Choices--Methods of Voting with > my 8th grade Discrete class.....they have really caught on well > to the various methods. > > Anyway, I thought I would share with you the culmination > project they will be doing this week. If anyone out there has > done anything else neat in relation to elections/voting..please > let me know. > > Thanks...Jackie > Election Theory ~ ~ Is there a fair method? PROJECT INFORMATION -- Discrete Class (Faillace) Name______________________________________________ Parent Signature__________________________________ GROUP ASSIGNMENTS ~~ Presentations will be made during TA-7th period on Monday, November 20 You will have approximately 30 minutes to make your presentation. (Faillace) (Hornung) (Luckett) (Newton) Paul Jay Mike Brad Jason Daniel Nick Lauren Catherine Audrey Kelly Kristen Lindsey Sarah Nicole Ian Elisabeth Kevin Michelle Katie Bianca Willie Jared Alex Justin Chelsea Eliza Anna Kenny *Parents are invited to listen to the presentations. Contact Ms. Faillace if you are interested. REQUIREMENTS 1. You are required to read the first 2 chapters (on Elections) from Discrete Mathematics Through Applications by Crisler, et.al. 2. Your group is to make a presentation covering the six voting methods discussed in class. You may also mention the seventh method discussed in class (Approval Voting) if there is time. 3. Make sure you have a "plan" and everyone in the group participates equally in the planning and in the implementation of this plan. 4. Try to have visual aids so the audience can follow your lesson. 5. Provide the participants with an issue...there should be a choice made between three or four items for the preference voting. 6. Do one problem and determine the winner using the various methods. 7. Encourage your audience to take notes and to be active participants. 8. MAKE SURE EVERYONE IN THE GROUP PARTICIPATES! * Your homework on Monday night, Nov. 20, is to write a 2-page summary (reaction paper) explaining the project (including the presentation), your part in it, and any positive or negative comments. This is due no later than Wednesday, November 22. @@@@@@ Well, I still have not mastered uploading from word perfect but at least it made it in text...at least you can get the idea of the project. Happy Thanksgiving. Jackie ***************************************************************************** Jackie Faillace Getgood Teacher of Mathematics - - Consultant Discrete Mathematics K-8 Stafford Middle School 101 Spartan Drive Stafford, VA 22554 (540) 659 - 2171 e-mail: jfaillac@pen.k12.va.us From joer Mon Nov 13 09:49:05 1995 Return-Path: mbt Received: (from mbt@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id JAA01915; Mon, 13 Nov 1995 09:49:05 -0500 Date: Mon, 13 Nov 1995 09:49:05 -0500 From: Michelle Bartley-taylor Message-Id: <199511131449.JAA01915@dimacs.rutgers.edu> To: ccunning CC: teachers In-reply-to: Subject: Re: Motion Detector Connie, The Center participates in a loaning program with Texas Instruments. Given enough advance notice, we can borrow the equipment you need (CBL unit with motion detectors, as well as other probes) for the follow up. Just let us know. Michelle -- Michelle Bartley-Taylor mbt@dimacs.rutgers.edu From joer Mon Nov 13 13:42:53 1995 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (Gh/IjqNzrggwpn7W3A43grcH24GDeQ3K@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id NAA13845 for ; Mon, 13 Nov 1995 13:42:53 -0500 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id NAA13939; Mon, 13 Nov 1995 13:42:45 -0500 Date: Mon, 13 Nov 1995 13:42:45 -0500 (EST) From: Charles Biehl To: dm teachers Subject: Lost World Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Was I in a coma and missed it? I almost remember seeing somebody post a comment regarding the "configurations", or chapter headings, in Crighton's sequel to Jurassic Park, but don't remember any resolution. They're lovely, although primitive renderings from a simple planar cellular automata model, with successive zooming-outs, at least for the first four. From there, they just represent later runs of the algorithm, showing pockets of stability. I distinctly remember seeing an almost identical run of the algorithm that came with the system software for an Apple II GS in 1988. My apologies for being redundant if I indeed was in a coma, but geez, if Lost World really is going to be a movie like Spielberg says it is, we need to be prepared with another series of integrated math/science/technology lesson kernels, hopefully this time with material that really will produce some decent classroom stuff, and not just more vaguely related activities. Chuck :{) From joer Mon Nov 13 14:51:58 1995 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id OAA15574 for teachers; Mon, 13 Nov 1995 14:51:58 -0500 Date: Mon, 13 Nov 95 14:51:58 EST From: Patrick Carney To: teachers Subject: MathCounts Problem. Message-ID: Hi- Just saw an interesting problem our Middle Schoollers are doing to prepare for MathCOunts. In case some of you haven't seen it, it is: Consider 11#10#8#6#2 where the # is to be replaced randomly by + or -. The question is "what is the probability that the result is a positive number?" Does anybody know a slick way to do it? It is obvious that when the first sign is +, it must be etc., but I couldn't find a nice clean attack. Anyone? As ever, Bro. Pat carney From joer Mon Nov 13 18:05:29 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id SAA20196 for teachers; Mon, 13 Nov 1995 18:05:29 -0500 Date: Mon, 13 Nov 95 18:05:28 EST From: Judy Brown To: teachers Subject: MathCounts Message-ID: Hi Brother Pat's MathCounts post reminded me that I wanted to share the MathCounts - On- Line number with everyone. It is 1-800-227-6773. You can also send e-mail to them at mathcounts@nspe.org I don't know why you can not acces the MathCounts info through the Web, but I have not yet found it. What you do is set your modem to call 1-800-227-6773 and after that everything is menu driven. There are no fancy graphics but it is "slick" in that you must log in and type a password your first time. After that it will tell you what has been updated since your last visit... If you have the time and interest check it out. For anyone not familiar with MathCounts it is a national program sponsored by the proffesional engineers society and it is for 7th and 8th grade students. the purpose is to encourage the study of mathematics. This year the special topic is number sense. For more info call the number...using your modem. And while we are on the topic...what is the smallest number of cuts needed to cut a 4 x 4 x 4 cube into 64 unit cubes? I don't agree with the answer that they (mathcounts) hve given. I can do it in 9, can anyone do it in fewer? Judy From joer Mon Nov 13 23:24:37 1995 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id XAA00397 for ; Mon, 13 Nov 1995 23:24:36 -0500 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.7.1/8.6.6) id XAA65484; Mon, 13 Nov 1995 23:24:35 -0500 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.7.1/8.6.6) id XAA111920; Mon, 13 Nov 1995 23:24:29 -0500 Message-Id: <199511140424.XAA111920@pen2.pen.k12.va.us> Subject: election project correction To: teachers@dimacs.rutgers.edu (all teachers) Date: Mon, 13 Nov 95 23:24:29 EST X-Mailer: PENELM [version 2.3.1 PL11] Hi, There is a mistake on the page I sent ...#1 should read...You are required to read the first 2 SECTIONS (not chapters) of the Crisler book. Mea Culpa! Jackie -- ***************************************************************************** Jackie Faillace Getgood Teacher of Mathematics - - Consultant Discrete Mathematics K-8 Stafford Middle School 101 Spartan Drive Stafford, VA 22554 (540) 659 - 2171 e-mail: jfaillac@pen.k12.va.us From joer Tue Nov 14 07:22:03 1995 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (W0Grxnb/xW9lgtyLQkZJJcBrTx9/SHSB@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id HAA09801; Tue, 14 Nov 1995 07:22:02 -0500 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id HAA24504; Tue, 14 Nov 1995 07:22:01 -0500 Date: Tue, 14 Nov 1995 07:22:01 -0500 (EST) From: Charles Biehl To: Patrick Carney cc: teachers@dimacs.rutgers.edu Subject: Re: MathCounts Problem. In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII With only four numbers I'd be tempted to make a tree out of it, but that's just off the top of my head. It doesn't seem to produce too much of a mess. What's a slick way to model a tree without actually making it? Chuck From joer Fri Nov 17 12:59:43 1995 Return-Path: <@RUTVM1.RUTGERS.EDU:JOEYC@CUNYVM.CUNY.EDU> Received: from RUTVM1.RUTGERS.EDU (rutvm1.rutgers.edu [128.6.7.12]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id MAA17356 for ; Fri, 17 Nov 1995 12:59:43 -0500 Message-Id: <199511171759.MAA17356@dimacs.rutgers.edu> Received: from RUTVM1.RUTGERS.EDU by RUTVM1.RUTGERS.EDU (IBM VM SMTP R1.2.1MX) with BSMTP id 6479; Fri, 17 Nov 95 12:58:16 EST Received: from CUNYVM.CUNY.EDU (NJE origin MAILER@CUNYVMV2) by RUTVM1.RUTGERS.EDU (LMail V1.2a/1.8a) with BSMTP id 9012; Fri, 17 Nov 1995 12:58:16 -0500 Received: from CUNYVM.CUNY.EDU (NJE origin JOEYC@CUNYVM) by CUNYVM.CUNY.EDU (LMail V1.2a/1.8a) with RFC822 id 6359; Fri, 17 Nov 1995 12:58:52 -0500 Date: Fri, 17 Nov 95 12:56:35 EST From: joe malkevitch Subject: current scientific american To: discretion lovers Dear Friends, The current scientific american has a nice article about implemented public key code systems, and additional an Ian Stewart column about toast shoved off a table landing buttered side down, and finally, an interesting piece about Martin Gardner. Regards, Joe From joer Fri Nov 17 14:05:16 1995 Return-Path: franzbla Received: (from franzbla@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id OAA24102; Fri, 17 Nov 1995 14:05:16 -0500 Date: Fri, 17 Nov 1995 14:05:16 -0500 From: Deborah Franzblau Message-Id: <199511171905.OAA24102@dimacs.rutgers.edu> To: teachers.93, teachers94 Subject: publicity assistance needed Dear Discrete Math Lovers, If you are attending the NCTM Eastern Regional Conference (Nov 29 - Dec 1 in Philadelphia), or giving a discrete mathematics workshop, we could use your help in distributing the 1-page announcement below. For example, you could make copies available at a session on geometry, discrete mathematics, computing technology, etc. (You may also post it to relevant electronic newsgroups.) This is a NEW PROGRAM sponsored by DIMACS involving teachers and mathematics supervisors of grades 9-12, as well as college/university faculty and other researchers. If you are involved in mathematics or computer science in grades 9-12, then you are also eligible for this program (although preference will be given to those who haven't attended NSF-funded institutes in the past). Applications are not ready yet, but should be available in December or January. If you or someone you know is interested, simply e-mail (or snail mail) the name and address to me---the information is on the announcement (The application deadline is March 15, 1996.) Thanks for your support, Debbie Franzblau P.S. Sorry for the late(!) newsletter; it will appear this winter ... =========================================================================== The DIMACS Institute NEW PROGRAM FOR HIGH SCHOOL TEACHERS AND RESEARCHERS Focusing on professional development, and improvement of communication and cooperation among educators and researchers. 1996-97 TOPIC: Geometry, Visualization, and Computing How can a robot plan a route that avoids obstacles? How does the shape of an airplane's wings affect its flight? Where should fire stations be located in a community so that everyone can be reached quickly? Questions like these are studied in the field of Computational Geometry, the focus of the 1996-97 Institute. PARTICIPANTS: Mathematics or computer science teachers or supervisors of grades 9-12, and researchers at all levels. ACTIVITIES: The program will include workshops for researchers, along with two components primarily for teachers: (1) a hands-on computing and Internet laboratory, and (2) an activity workshop focusing on discrete mathematics and algorithms. An all-institute program will focus on topics of interest to both researchers and educators. Activities are intended to provide new content and materials which support the NCTM Standards, and are suitable for integration into mathematics courses at many levels, including geometry and algebra, as well as discrete mathematics or computer science. PRIOR KNOWLEDGE OF INSTITUTE TOPICS IS NOT ASSUMED. PROJECTS: Participants will be expected to develop classroom materials based on Institute topics, and to give presentations on these at Institute meetings and professional conferences. Teams of teachers and researchers will be encouraged to collaborate on and use the Internet for such projects. Support will be given to assist participants in obtaining Internet connections at home or school. * * * * * * * * * * * * LOCATION: PRINCETON UNIVERSITY DATES: 3-week Summer Institute, JUNE 23-JULY 13, 1996 There will be followup Saturday meetings during the year, and conference the following summer (dates and location TBA). SUPPORT: Lodging and meals (weekdays, on campus), travel allowance, and a stipend ($300/week) will be provided. STAFF: Program staff includes faculty from Princeton and other universities and colleges, as well as teachers-in-residence, alumni of the Rutgers/DIMACS Leadership Program in Discrete Mathematics. SPONSOR: The Center for Discrete Mathematics and Theoretical Computer Science (DIMACS), a consortium of Rutgers University, Princeton University, Bellcore, and AT&T Bell Laboratories. Funding is provided by the National Science Foundation (NSF). * * * * * * * * * * * * APPLICATION DEADLINE: March 15, 1996 (Notification by mid-April) Preference will be given to applicants already using the Internet. FOR FURTHER INFORMATION and APPLICATION (available by early January): Deborah Franzblau, e-mail: franzbla@dimacs.rutgers.edu phone: 908-445-4573 fax: 908-445-5932 DIMACS, Busch Campus; Rutgers University; Piscataway, NJ 08855-1179 Web address: http://dimacs.rutgers.edu From joer Mon Nov 20 22:59:14 1995 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id WAA20164 for ; Mon, 20 Nov 1995 22:59:10 -0500 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.7.1/8.6.6) id WAA216266; Mon, 20 Nov 1995 22:59:00 -0500 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.7.1/8.6.6) id WAA118306; Mon, 20 Nov 1995 22:58:59 -0500 Message-Id: <199511210358.WAA118306@pen2.pen.k12.va.us> Subject: Fwd: Those Kids! (fwd) To: teachers@dimacs.rutgers.edu (all teachers) Date: Mon, 20 Nov 95 22:58:59 EST Cc: mspikell@wpgate.gmu.edu, dpittman@pen.k12.va.us, kmorris3@osf1.gmu.edu, scritchf@pen.k12.va.us, nhall2@gmu.edu, mhelman@osf1.gmu.edu, patricia_a._robertson@wnvt.pbs.org X-Mailer: PENELM [version 2.3.1 PL11] Hi there, The following message came across my mail...cute things from little kids. Jackie According to William R. Warrick: > From wwarrick@pen.k12.va.us Mon Nov 20 18:41:29 1995 > From: "William R. Warrick" > Message-Id: <199511202340.SAA51974@pen2.pen.k12.va.us> > Subject: Fwd: Those Kids! (fwd) > To: danzivin@pen.k12.va.us, efriel@pen.k12.va.us, ahayes@pen.k12.va.us, > lkruse@pen.k12.va.us, pmulhern@pen.k12.va.us, mhrobins@pen.k12.va.us, > msekelli@pen.k12.va.us, dalmborg@pen.k12.va.us, janders2@pen.k12.va.us, > sbevan@pen.k12.va.us, dblackmo@pen.k12.va.us, mburke@pen.k12.va.us, > cbutler@pen.k12.va.us, schiches@pen.k12.va.us, gaylems1@pen.k12.va.us, > dconway@pen.k12.va.us, eellis@pen.k12.va.us, dgregory@pen.k12.va.us, > achoward@pen.k12.va.us, sschnall@pen.k12.va.us, malewis@pen.k12.va.us, > mligonca@pen.k12.va.us, dmulhern@pen.k12.va.us, jwpeters@pen.k12.va.us, > psrose@pen.k12.va.us, cscaife@pen.k12.va.us, mschafer@pen.k12.va.us, > ssinche@pen.k12.va.us, khsnavel@pen.k12.va.us, jdsulliv@pen.k12.va.us, > dward2@pen.k12.va.us, bwarrick@pen.k12.va.us, kzilles@pen.k12.va.us, > lcassidy@pen.k12.va.us, gford@pen.k12.va.us, fgetgood@pen.k12.va.us, > cwhartma@pen.k12.va.us, chodge@pen.k12.va.us, vhorgan@pen.k12.va.us, > hkenney@pen.k12.va.us, aledoux@pen.k12.va.us, fpendlet@pen.k12.va.us, > sphillip@pen.k12.va.us, mventura@pen.k12.va.us, jbwoods@pen.k12.va.us, > kbaumann@pen.k12.va.us, kcampesi@pen.k12.va.us, lcoles@pen.k12.va.us, > tcook@pen.k12.va.us, jfaillac@pen.k12.va.us, agarriso@pen.k12.va.us, > jdhoward@pen.k12.va.us, jhoward@pen.k12.va.us, dklein@pen.k12.va.us, > dmason@pen.k12.va.us, lmottley@pen.k12.va.us, tfnewton@pen.k12.va.us, > doglevee@pen.k12.va.us, cpixley@pen.k12.va.us, arobert3@pen.k12.va.us, > jlwelch@pen.k12.va.us > Date: Mon, 20 Nov 95 18:40:47 EST > X-Mailer: PENELM [version 2.3.1 PL11] > > DuaneB1@aol.com said: > >From DuaneB1@aol.com Mon Nov 20 12:02:52 1995 > From: > Date: Sat, 18 Nov 1995 23:12:37 -0500 > Message-ID: <951118231235_110534823@mail04.mail.aol.com> > To: wwarrick@pen.k12.va.us, JEFFSULLY@aol.com, Lindappel@aol.com, > bsides@pen.k12.va.us, NancyK2932@aol.com, YNTA@aol.com > Subject: Fwd: Those Kids! > > > --------------------- > Forwarded message: > Subj: Those Kids! > Date: 95-11-18 23:01:24 EST > From: PurrsKitty > To: PurrsKitty > > In a message dated 95-11-18 16:06:01 EST, BCEMT91 forwarded: > > << Need a smile? Read on.... > > > >> These responses are from kids! > > >> > > >> > > >> What Exactly Is Marriage?? > > >> > > >> "Marriage is when you get to keep your girl and don't have to give > her > > >> back to her parents!" > > >> -Eric, 6 > > >> > > >> "When somebody's been dating for a while, the boy might propose to > the > > >> girl. He says to her, 'I'll take you for a whole life, or at least > > >> until we have kids and get divorced, but you got to do one > particular > > >> thing for me.' Then she says yes, but she's wondering what the > thing > > >> is and whether it's naughty or not. She can't wait to find out." > > >> -Anita, 9 > > >> > > >> How Does a Person Decide Whom to marry?? > > >> > > >> "You flip a nickel, and heads means you stay with him and tails > means > > >> you try the next one." > > >> -Kally, 9 > > >> > > >> "My mother says to look for a man who is kind....That's what I'll > > >> do....I'll find somebody who's kinda tall and handsome." > > >> -Carolyn, 8 > > >> > > >> Concerning the Proper Age to Get Married. > > >> > > >> "Eighty-four! Because at that age, you don't have to work anymore, > and > > >> you can spend all your time loving each other in your bedroom." > > >> -Carolyn, 8 > > >> > > >> "Once I'm done with kindergarten, I'm going to find me a wife!" > > >> -Bert, 5 > > >> > > >> How Did Your Mom and Dad Meet?? > > >> > > >> "They were at a dance party at a friend's house. Then they went for > a > > >> drive, but their car broke down...It was a good thing, because it > gave > > >> them a chance to find out about their values." > > >> -Lottie, 9 > > >> > > >> "My father was doing some strange chores for my mother. They won't > > >> tell me what kind." > > >> -Jeremy, 8 > > >> > > >> What Do Most People Do on a Date?? > > >> > > >> "On the first date, they just tell each other lies, and that usually > > >> gets them interested enough to go for a second date." > > >> -Martin, 10 > > >> > > >> "Many daters just eat pork chops and french fries and talk about > > >> love." > > >> -Craig, 9 > > >> > > >> When Is It Okay to Kiss Someone?? > > >> > > >> "You should never kiss a girl unless you have enough bucks to buy > her > > >> a big ring and her own VCR, 'cause she'll want to have videos of > the > > >> wedding." > > >> -Allan, 10 > > >> > > >> "Never kiss in front of other people. It's a big embarrassing thing > if > > >> anybody sees you....If nobody sees you, I might be willing to try it > > >> with a handsome boy, but just for a few hours." > > >> -Kally, 9 > > >> > > >> The Great Debate: Is It Better to Be Single or Married?? > > >> > > >> "You should ask the people who read Cosmopolitan!" > > >> -Kirsten, 10 > > >> > > >> "It's better for girls to be single but not for boys. Boys need > > >> somebody to clean up after them!" > > >> -Anita, 9 > > >> > > >> "It gives me a headache to think about that stuff. I'm just a kid. > I > > >> don't need that kind of trouble." > > >> -Will, 7 > > > > > > -- > _______________________________________________________________________________ > W i l l i a m W a r r i c k > C o o r d i n a t o r o f I n s t r u c t i o n a l T e c h n o l o g y > Stafford County Public Schools > 1739 Jefferson Davis Highway, Stafford, VA 22554 > wwarrick@pen.k12.va.us Phone: 703-659-3141 Fax: 703-720-4671 > Views expressed do not necessarily reflect those of Stafford County Schools > _______________________________________________________________________________ > -- ***************************************************************************** Jackie Faillace Getgood Teacher of Mathematics - - Consultant Discrete Mathematics K-8 Stafford Middle School 101 Spartan Drive Stafford, VA 22554 (540) 659 - 2171 e-mail: jfaillac@pen.k12.va.us From joer Tue Nov 21 21:57:02 1995 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id VAA28123 for teachers; Tue, 21 Nov 1995 21:57:02 -0500 Date: Tue, 21 Nov 95 21:57:01 EST From: Patrick Carney To: teachers Subject: [Amy Schultz : happy thanksgiving!!!] Message-ID: Hi - I thought I would give you something to be thankful for this Thanksgiving -- viz., that you did not get one of these! Seriously, the sender is one of my ex-students and I got a kick out of it and thought you all might too. I hope you all have a great Thanksgiving. See you all on 12/2 As ever, Bro. Pat Carney --------------- Received: from expert.cc.purdue.edu (aes@expert.cc.purdue.edu [128.210.10.11]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id SAA11785 for ; Mon, 20 Nov 1995 18:20:09 -0500 Received: (from aes@localhost) by expert.cc.purdue.edu (8.7.1/8.7.1) id SAA26707 for pcarney@dimacs.rutgers.edu; Mon, 20 Nov 1995 18:20:02 -0500 (EST) Date: Mon, 20 Nov 1995 18:20:02 -0500 (EST) From: Amy Schultz Message-Id: <199511202320.SAA26707@expert.cc.purdue.edu> To: pcarney@dimacs.rutgers.edu Subject: happy thanksgiving!!! ,+*^^*+___+++_ ,*^^^^ ) _+* ^**+_ +^ _ _++*+_+++_, ) _+^^*+_ ( ,+*^ ^ \+_ ) { ) ( ,( ,_+--+--, ^) ^\ { (@) } f ,( ,+-^ __*_*_ ^^\_ ^\ ) {:;-/ (_+*-+^^^^^+*+*<_ _++_)_ ) ) / ( / ( ( ,___ ^*+_+* ) < < \ U _/ ) *--< ) ^\-----++__) ) ) ) ( ) _(^)^^)) ) )\^^^^^))^*+/ / / ( / (_))_^)) ) ) ))^^^^^))^^^)__/ +^^ ( ,/ (^))^)) ) ) ))^^^^^^^))^^) _) *+__+* (_))^) ) ) ))^^^^^^))^^^^^)____*^ \ \_)^)_)) ))^^^^^^^^^^))^^^^) (_ ^\__^^^^^^^^^^^^))^^^^^^^) ^\___ ^\__^^^^^^))^^^^^^^^)\\ ^^^^^\uuu/^^\uuu/^^^^\^\^\^\^\^\^\^\ ___) >____) >___ ^\_\_\_\_\_\_\) ^^^//\\_^^//\\_^ ^(\_\_\_\) ^^^ ^^ ^^^ ^^ Hey you turkey Have a nice day! From joer Wed Nov 22 13:45:18 1995 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (FDE+60yAwl4NjX/RaSy42kW/Oc0kaMHz@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id NAA23286 for ; Wed, 22 Nov 1995 13:45:18 -0500 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id NAA23615; Wed, 22 Nov 1995 13:45:16 -0500 Date: Wed, 22 Nov 1995 13:45:15 -0500 (EST) From: Charles Biehl To: dm teachers Subject: effective communication in math Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Here'a a little something I thought you might enjoy as it was forwarded to me. Happy Thanksgiving, all. Chuck ----------Forwarded Message-------- Date:Tue, 7 Nov 1995 20:27-0500(EST) From:Merle Richards To:cbiehl@brahms.udel.edu Subject:Subversive cookies (fwd) My daughter and I had just finished a salad at Neiman-Marcus Cafe in Dallas and decided to have a small dessert. Because our family are such cookie lovers, we decided to try the "Neiman-Marcus Cookie." It was so excellent that I asked if they would give me the recipe and they said with a small frown, "I'm afraid not." Well, I said, would you let me buy the recipe?" With a cute smile, she said yes. I asked how much, and she replied "Two fifty." I said with approval, "Just add it to my tab. Thirty days later, I received my VISA statement from Neiman-Marcus and it was $285.00.I looked again and I remembered I had only spent $9.95 for two salads and about $20.00 for a scarf. As I glanced at the bottom of the statement, it said "Cookie recipe- $250.00." Boy, was I upset!! I called Neiman's accounting department and told them that the waitress had said it was "two-fifty", and that I did not realize that she meant $250.00 for a cookie recipe. I asked them to take the recipe back and reduce my bill and they said they were sorry, but because all the recipes were this expensive so not just anyone could duplicate their recipes... the bill would stand. I waited, trying to think how I could get my money back, or at least get even with them. So I said to them,"OK, you folks got my $250 and now I'm going to see to it that every cookie lover will have a $250 recipe from Neiman-Marcus for free!!" She replied, "I wish you wouldn't do that." I said, "I'm sorry, but this is the only way I feel I can get my money's worth and/or get even." So, here it is, everybody, and please feel free to pass it on, or at least make a few copies for friends... I paid for it- now you can have it for free. The Neiman-Marcus Cookie (recipe may be halved) 2 cups butter 4 cups flour 2 tsp. soda 2 cups sugar 5 cups blended oatmeal* 24 oz. chocolate chips 2 cups brown sugar 1 tsp. salt 1 8oz. Hershey bar (grated) 4 eggs 2 tsp. baking powder 3 cups chopped nuts 2 tsp. vanilla (your choice) * measure oatmeal and put inblender to make a fine powder. Cream the butter and both sugars. Add egges and vanilla; mix together with flour, oatmeal, salt, baking powder, and soda. Add chocolate chips, Hershey bar, and nuts. Roll into balls and place two inches apart on a cookie sheet. Bake for 10 minutes at 375 degrees. Makes about 112 cookies. Please enjoy this recipe and these cookies. This is not a joke-- it is a true story. $NCSM Board Mailing list From joer Sun Nov 26 15:17:58 1995 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id PAA25591; Sun, 26 Nov 1995 15:17:58 -0500 Date: Sun, 26 Nov 95 15:17:58 EST From: Patrick Carney To: teachers, crogers@igc.apc.org, weiss_betty@msmail-gw.wvmccd.cc.ca.us Subject: Error For Students to Find Message-ID: Hi- Don't thow away your Sunday paper! If you get Parade magazine, check out the Ask Marylin column. She has an error in math. I am going to take it in to school tomorrow and have my kids find it and "prove" that they know more math than the person with the highest IQ in the country. You might want to try it also. (she apparently has assumed that there are 5280 QRUARE ft. in one SQUARE mi.). Maybe we could have all of these kids from all over write in. Hope to see many of you Sat. As ever, Bro. Pat Carney From joer Sun Dec 3 14:52:32 1995 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id OAA27101; Sun, 3 Dec 1995 14:52:32 -0500 Date: Sun, 3 Dec 1995 14:52:32 -0500 From: Joe Rosenstein Message-Id: <199512031952.OAA27101@dimacs.rutgers.edu> To: teachers Subject: AMTNJ conference cc: micale Greetings -- I encourage you to submit a proposal for a presentation at the October 1996 conference of the Association of Mathematics Teachers of New Jersey (AMTNJ). The deadline for proposals is December 15. To request an application form, email stephanie micale at micale@dimacs.rutgers.edu . Joe -- Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 From joer Mon Dec 4 19:03:06 1995 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id TAA10791; Mon, 4 Dec 1995 19:03:06 -0500 Date: Mon, 4 Dec 95 19:03:06 EST From: Patrick Carney To: teachers, crogers@igc.apc.org Subject: Marilyn Revisited Message-ID: Hi- Today we finially figured out what the mistake was in that Parade article. Judy Brown had posted a question of what I said about not squaring the 5280. Actually, I think MVS actually printed the SQUARE ROOT of the correct answer. Incidentally, it was one of my students who is not known for being the brightest math student but who works hard (although not always on homework) who came up with the right answer and was given the assignment to go home and tell her parents that she was better on this than the person with the highest IQ. That was fun. We worked in letter writing and word processing. We got a lot of milage out of that while inspiring some confidence in one of our lowest phased classes. Nice seeing so many of you Sat. Take care now. As ever, Bro. Pat Carney From joer Mon Dec 4 20:47:55 1995 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id UAA12254 for ; Mon, 4 Dec 1995 20:47:54 -0500 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.7.1/8.6.6) id UAA94378; Mon, 4 Dec 1995 20:47:37 -0500 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.7.1/8.6.6) id UAA86412; Mon, 4 Dec 1995 20:47:36 -0500 Message-Id: <199512050147.UAA86412@pen2.pen.k12.va.us> Subject: video/book To: teachers@dimacs.rutgers.edu (all teachers) Date: Mon, 4 Dec 95 20:47:35 EST Cc: mspikell@wpgate.gmu.edu, dpittman@pen.k12.va.us, kmorris3@osf1.gmu.edu, scritchf@pen.k12.va.us, nhall2@gmu.edu, mhelman@osf1.gmu.edu, patricia_a._robertson@wnvt.pbs.org X-Mailer: PENELM [version 2.3.1 PL11] Hi all, After seeing Suzanne Cadawalder at the Philly conference and discussing the following book, I thought I would share the info with everyone in case anyone is looking for math/science resource. The video and book called "Powers of Ten" .. dealing with the relative size of things in the universe and the effect of adding another zero.... I highly recommend it! I teach 8th grade and have shown the video...so good....great visual which explains the concept of power of 10. Short film...approx. 15-20 min long. Can be ordered by calling: 1-800-877-5351 WH Freeman and Co. Video price: $39.95 + $1.95 shipping and handling I don't know the price of the book. If you use it let me know what you think of it. It's one of those AHHHHH films! Good seeing many of you on Saturday. Hope Sunday went well. Jackie -- ***************************************************************************** Jackie Faillace Getgood Teacher of Mathematics - - Consultant Discrete Mathematics K-8 Stafford Middle School 101 Spartan Drive Stafford, VA 22554 (540) 659 - 2171 e-mail: jfaillac@pen.k12.va.us From joer Mon Dec 4 23:08:11 1995 Return-Path: voolich@meol.mass.edu Received: from meol.mass.edu (meol.mass.edu [134.241.27.23]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id XAA19411 for ; Mon, 4 Dec 1995 23:08:10 -0500 Received: by meol.mass.edu; id AA12278; Mon, 4 Dec 1995 23:12:23 -0500 Date: Mon, 4 Dec 1995 23:12:23 -0500 (EST) From: Erica Voolich To: "Jacqueline M. Faillace" Cc: all teachers , mspikell@wpgate.gmu.edu, dpittman@pen.k12.va.us, kmorris3@osf1.gmu.edu, scritchf@pen.k12.va.us, nhall2@gmu.edu, mhelman@osf1.gmu.edu, patricia_a._robertson@wnvt.pbs.org Subject: Re: video/book In-Reply-To: <199512050147.UAA86412@pen2.pen.k12.va.us> Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Folks I would agree that Powers of Ten is a gret video and book to share with your students. I show the first half, go over exponents, scientific notation, etc and then show the whole thing along with introducing negative exponents. Erica Voolich From joer Tue Dec 5 15:15:22 1995 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id PAA13911 for ; Tue, 5 Dec 1995 15:15:22 -0500 Received: from cis-ts2-slip4.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA22825; Tue, 5 Dec 1995 15:15:17 -0500 Message-Id: <9512052015.AA22825@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Tue, 5 Dec 1995 15:17:50 -0400 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: The Elementary Mathematician Just got my copy of the Elementary Mathematician. The first article "Zoolutions" is by Anne Burgunder and Vaunda Nelson. Anne is a 1994 Leadership Program participant and brought along her newborn son to the 1995 follow-up session this past summer. (Which goes to show that you are never too young to learn DM). Congratulations Anne! The second article by Mariann Hayward "Lego My Penquin" for those of you who enjoyed Lego-Logo this past summer or saw my presentation in 1994 on this theme is from our Rhode Island (robotics design) project. Thanks go to Ericca Voolich and Susan Weiss for getting these teacher/authors involved in writing these two great articles for the Elementary Mathematician. I think they will be enjoyed by many. By the way the final article in this December publication is an article on Snowflakes and fractals which includes an activity on the Koch snowflake with paper folding and paper cutting. Janice From joer Tue Dec 5 15:29:10 1995 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (6CM/RmfnLvFT5LFiMZYNguNEhkudzFLJ@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id PAA14005 for ; Tue, 5 Dec 1995 15:29:09 -0500 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id PAA02594; Tue, 5 Dec 1995 15:27:20 -0500 Date: Tue, 5 Dec 1995 15:27:20 -0500 (EST) From: Charles Biehl To: "Jacqueline M. Faillace" cc: all teachers , mspikell@wpgate.gmu.edu, dpittman@pen.k12.va.us, kmorris3@osf1.gmu.edu, scritchf@pen.k12.va.us, nhall2@gmu.edu, mhelman@osf1.gmu.edu, patricia_a._robertson@wnvt.pbs.org Subject: Re: video/book In-Reply-To: <199512050147.UAA86412@pen2.pen.k12.va.us> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII I agree that "Powers of Ten" is a good video, both for number sense and for scientific notation... it's also a really great visula experience for the "trip" back down the powers of ten. Dale Seymour sells the book for it for $21.95, but it's basically a set of stills from the video; nowhere near as exciting. Chuck From joer Tue Dec 5 19:05:23 1995 Return-Path: mhelman@osf1.gmu.edu Received: from osf1.gmu.edu (osf1.gmu.edu [129.174.1.13]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id TAA19095 for ; Tue, 5 Dec 1995 19:05:22 -0500 Received: by osf1.gmu.edu; (5.65v3.2/1.1.8.2/07Sep94-1001AM/GMUv3) id AA20316; Tue, 5 Dec 1995 19:01:25 -0500 Date: Tue, 5 Dec 1995 19:01:25 -0500 (EST) From: "MARY B. HELMAN" To: "Jacqueline M. Faillace" Cc: all teachers , mspikell@wpgate.gmu.edu, dpittman@pen.k12.va.us, kmorris3@osf1.gmu.edu, scritchf@pen.k12.va.us, nhall2@gmu.edu, patricia_a._robertson@wnvt.pbs.org Subject: Re: video/book In-Reply-To: <199512050147.UAA86412@pen2.pen.k12.va.us> Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII I agree with the statements about the usefulness of this video. We use it in training our sixth grade math teachers in Fairfax County. The video is available for checkout from the media center in the county. Many of our teachers use it in sixth grade classrooms as they introduce scientific notation, exponents, and powers of ten. Mary From joer Wed Dec 6 21:00:16 1995 Return-Path: franzbla Received: (from franzbla@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id VAA28036; Wed, 6 Dec 1995 21:00:16 -0500 Date: Wed, 6 Dec 1995 21:00:16 -0500 From: Deborah Franzblau Message-Id: <199512070200.VAA28036@dimacs.rutgers.edu> To: teachers Subject: Pat's MathCounts Problem Hello--I was cleaning up my email and saw Brother Pat's problem below. Here's the shortest answer I found (which may be the same as Pat's). If the first # is +, then at worst 11 + 10 - 16 > 0 " " 2nd # is + " " " 11 + 8 - 18 > 0 " " 3rd AND 4th # are + then, " 11 + 6 + 2 - 10 > 0 The only way to get a negative number is to have a "-" in BOTH the 1st and 2nd positions and a "-" in AT LEAST ONE of the 3rd or 4th positions. There are only 3 possibilities: - - - +, - - + -, or - - - -; so the probability that it's negative is 3/16, and the probability that it's positive is 1 - 3/16 = 13/16 This problem reminded me of "weighted voting": suppose there are 5 delegates, each having a different number of votes (the first has 11, the second 10, etc.). The probability of getting a positive number is the probability that the first delegate, "11", is on the side of the majority. Best wishes, Debbie Franzblau P.S. What happens if you add another # before the 11? Is there a weighted voting interpretation? ---------------------------------------------------- Date: Mon, 13 Nov 95 14:51:58 EST From: Patrick Carney To: teachers Subject: MathCounts Problem. Hi- Just saw an interesting problem our Middle Schoollers are doing to prepare for MathCOunts. In case some of you haven't seen it, it is: Consider 11#10#8#6#2 where the # is to be replaced randomly by + or -. The question is "what is the probability that the result is a positive number?" Does anybody know a slick way to do it? It is obvious that when the first sign is +, it must be etc., but I couldn't find a nice clean attack. Anyone? As ever, Bro. Pat carney From joer Wed Dec 6 22:41:08 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id WAA04526 for teachers; Wed, 6 Dec 1995 22:41:08 -0500 Date: Wed, 6 Dec 95 22:41:07 EST From: Judy Brown To: teachers Subject: 12 days of Christmas Message-ID: Hi Everyone, Just a little reminder that there are now 12 school days left before Christmas vacation (at least in my district). Now is the time to pull out Pascal's triangle and find out how many gifts were given by "my true love" in the famous song _The Twelve Days of Christmas_ If you are daring, use PNC Bank's annual Christmas Price Index to figure out the total cost of the gifts given. A partridge in a pear tree will cost you $27.50, and you will need 12, one for each day. For the 2nd day you need 2 turtle doves, and they cost $25 each or $50 a pair. You will need 2 a day for 11 days or 22 turtle doves in all. If you need the rest of the PNC list send me an email and I'll pass it along. Happy Holidays Judy From joer Thu Dec 7 04:19:48 1995 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id EAA12760 for teachers; Thu, 7 Dec 1995 04:19:48 -0500 Date: Thu, 7 Dec 95 4:19:48 EST From: Patrick Carney To: teachers Subject: Judy's 12 Days Post Message-ID: Hi- I just read Judy's post on the 12 Days of Christmas. In one of my classes, we are doing spread sheets. Judy gave me a great idea of how to work her problem into a nice Christmas leson to make them practice the spread sheet things. In addition, I have always enjoyed this one: If the person who received all of these gifts decided to return them (after all, can you imagine keeping them?), one a day beginning the day after Christmas, when would the last gift be returned. It has always intrigued me that it would be Christmas Eve of the following year! (of course this year it would be 12/23/96 because of the leap year. ANd you can get that 364 answer using Pascal's Triangle -- another nice touch. While on this, has anyone ever seen the movie of the song where the guy shows up everyday (eventually followed by this parade of people and animals) and her house becomes the picture of chaos (hmm, even more discrete math!). If so, if it is known to be out on video, I would appreciate the info -- needless to say, Blockbusters etc. do not have branches in Cumberland so I cannot drop in and have the biggies find out. As ever, Bro. Pat Carney From joer Thu Dec 7 09:18:36 1995 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id JAA16482; Thu, 7 Dec 1995 09:18:36 -0500 Date: Thu, 7 Dec 95 9:18:35 EST From: Patrick Carney To: teachers, crogers@igc.apc.org Subject: Math Horizons Message-ID: Hi- I just got my latest edition of Math Horizons. There are a number of items of interest top DM people. Joe Gallian has an article on codes and shows the check digits on German money (Gauss is on the bill shown -- now why doesn't America put its math people on money instead of politicians?). I was particularly interested in that I was in grad school with Joe (same time for a couple of years, not same class) at Notre Dame. Martin Gardner has a game of Hip and one on Beer Signs that you might like. John Conway and Life are mentioned, etc. Copies are easily obtained from ex-students now studying math in college. .. And, if you don't have any ex-students studying math in college, get to work on making them do so! :-) Seriously, try to find it. I think you will enjoy it. Bro. Pat Carney P.S. Cover is tessallation a la MCE From joer Thu Dec 7 11:08:18 1995 Return-Path: tiberio@tiac.net Received: from zork.tiac.net (zork.tiac.net [199.0.65.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id LAA19850 for ; Thu, 7 Dec 1995 11:08:16 -0500 Received: from [206.105.155.179] (tiberio.tiac.net [206.105.155.179]) by zork.tiac.net (8.6.9/8.6.6.Beta9) with SMTP id LAA23562; Thu, 7 Dec 1995 11:08:06 -0500 Date: Thu, 7 Dec 1995 11:08:06 -0500 X-Sender: tiberio@tiac.net (Unverified) Message-Id: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: teachers@dimacs.rutgers.edu From: tiberio@tiac.net (R. S. (Chuck) Tiberio) Subject: Statistics Cc: tiberio@zork.tiac.net Hi Gang, I am currently in the statistics chapter of the book "For All Practical Purposes" in my Discrete Class. In talking about boxplots I told my students that a good rule of thumb for determining outliers is any data point below Q1 - 1.5*IQR or above Q3 + 1.5*IQR. We have just started to do bivariate data and are making scatterplots. The kids have asked whether there is a rule of thumb for determining outliers in this setting. Off the top of my head I said I did not know of one but would look and ask around. Anyone know anything about this? Also.......We were figuring out quartiles by hand and then checking them on the TI-82. We found that the numbers did not always match. Does TI use some unusual algorithm for percentiles? R. S. (Chuck) Tiberio phone: (617) 446-6290 X230 Mathematics Department email: tiberio@tiac.net Wellesley High School 50 Rice Street Wellesley, MA 02181-6099 From joer Thu Dec 7 19:50:56 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id TAA05688 for teachers; Thu, 7 Dec 1995 19:50:56 -0500 Date: Thu, 7 Dec 95 19:50:56 EST From: Judy Brown To: teachers Subject: [wolf@129.80.15.225 (Denise F McCleary): Re: 12 days of Christmas] Message-ID: Hi I wanted to share the message Denise sent about her 12 days of Christmas project. Sounds great to me, can I have 24 days so I can do her project too? Judy --------------- Received: from stortek.com (stortek.com [129.80.22.249]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id TAA05522 for ; Thu, 7 Dec 1995 19:13:52 -0500 Received: from tenforward.stortek.com (10forward.stortek.com) by stortek.com with SMTP id AC15935 (5.65c/IDA-1.4.4 for ); Thu, 7 Dec 1995 17:13:20 -0700 Received: from Svonbehren by tenforward.stortek.com (4.1/SMI-4.1-SESA-Main-0002) id AA18555; Thu, 7 Dec 95 17:13:18 MST Message-Id: <9512080013.AA18555@tenforward.stortek.com> X-Sender: wolf@129.80.15.225 X-Mailer: Windows Eudora Version 1.4.3 Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Thu, 07 Dec 1995 18:10:31 -0700 To: Judy Brown From: wolf@129.80.15.225 (Denise F McCleary) Subject: Re: 12 days of Christmas Dear Judy, Just thought I'd let you know what my students do with the 12 Days of Christmas (besides singing it to me!) I taught them how to use a spreadsheet program and they go out and find 12 items that they would like to receive from their "True Love" and put those items into the spreadsheet to see if they are a cheap date. The variety of gifts is astounding as well as the total costs. Some of the greedier students ask for luxury cars on the sixth and seventh days because they know that is the largest number of gifts they'll receive. They also include clipping of their items so that it looks like a catalog. I'm in the middle of checking their work (to make sure they used the right formulas in their spreadsheets) and the range of total cost is as little as $40,000 to as high as $2,000,000. We usually present our projects right before the Christmas break. Just so you know, my true love would need about $600,000 to buy all of the gifts that I wanted. Take care. Denise > From joer Fri Dec 8 08:56:15 1995 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id IAA24090 for ; Fri, 8 Dec 1995 08:56:15 -0500 Received: from cis-ts3-slip10.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA27153; Fri, 8 Dec 1995 08:56:07 -0500 Message-Id: <9512081356.AA27153@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Fri, 8 Dec 1995 08:58:50 -0400 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: Fibonacci stuff Yesterday afternoon I gave a Fibonacci workshop to a group of K-8 teachers. There were a lot of questions from this group which made me reexam some of the material and some of the research that was done when the workshop was put together. The question that I most felt I had to deal with was one about Fibonacci numbers and their relationship to the growth of natural objects, the logarithmic spiral (or equiangular growth), etc. To satisfy my reflections on the way home, I did a little research and thought I would share it with those who might be interested. Of course as many things I do mathematically I needed to relate this understanding to Logo so included in this writing is also a procedure to imitate this kind of growth with the turtle. Below are the Logo procedures for gnomon growth. It took reflection on the way home from the workshop to have the light bulb go off and simplify the way I thought about creating this procedure.. I am working on an extension for this that will create a nautilus shell. All I need to do is have the turtle draw a line back to the center every 10 degrees or so. Below these procedures is some information from the book (Excursions in Modern Mathematics by Tannenbaun and Arnold) about these growth patterns and the connections to the Fibonacci numbers. *** Logo Procedures for Gnomon growth PROCEDURE TO PENDOWN PLACE A DOT RETURN TO THE ORIGINAL SPOT AND PICK THE PEN UP. to dot pd fd 1 pu bk 1 end PROCEDURE TO MOVE FORWARD (OUT FROM A CENTRAL POINT) A STEP, PLACE A DOT, RETURN TO THE CENTRAL POINT, TURN 1 DEGREE TO THE RIGHT, INCREMENT THE SIZE OF THE STEP BY .1 STEP AND REPEAT THE PROCESS UNTIL THE STEP REACHES A LENGTH OF 120. (similar to way the chambered nautilus adds to its shell)(Change ":length + .1" to ":length + .618" and I guess this becomes a Fibonacci or golden spiral - any ideas on this?) to gnomongrowth :length if :length > 120 [stop] fd :length dot bk :length rt 1 gnomongrowth :length + .1 end *** Ideas clipped from the Excursions book Page 283 What are the rules that govern the geometric arrangement of leaves on a stem or of petals on a flower? There is a surprisingly large and varies group of natural objects that have a special affinity for Fibonacci numbers. While there is no generally accepted explanation for this affinity, there is one common element in all the natural objects; the nature of their growth. Page 284 Natural organisms grow in essentially two ways "all around growth" as exhibited by humans and "growth at one end of assymetric growth" which is the growth exemplified by a chanbered nautilus, a ram's horn, the trunk of a tree. or the inflorescence of a daisy. Page 285 The growth of a chambered nautilus: Starting with the shell of a baby chambered nautilus (which is a tiny spiral similar in all respects to the adult sipral shape), the animal builds a chamber ( by producing a special secretion around its body that calcifies and hardens). The resulting, slightly enlarged spiral shell is similar to the original one. The process then repeats itself in a recursive way: A new chamber is added (it is a gnomen to the shell that is similar but slightly larger than the first one), resulting in a newly enlarged spiral. This process continues ad infinitum or until the animal reaches maturity, which ever comes first. Page 287 FROM THE BOOK. FIBONACCI NUMBERS, GNOMONS, THE GOLDEN RATIO AND LOGARITHMIC SPIRALS - THESE ARE THE MATHEMATICAL ELEMENTS NATURE USES TO PRODUCE SOME OF THE COMPLEX, BEAUTIFUL FORMS, AMONG THEM THE DAISY, THE SUNFLOWER, THE CHAMBERED NAUTILUS, ETC. THIS CHAPTER DOES NOT ATTEMPT TO EXPLAIN EXACTLY HOW AND WHY SOME OF THESE RELATIONSHIPS OCCUR (TO THE BEST OF OUR KNOWLEDGE THERE ARE SEVERAL THEORIES BUT NO CONFIRMED FACTS) BUT TO POINT THAT THE RELATIONSHIP DOES INDEED EXIST. JANICE From joer Fri Dec 8 09:28:57 1995 Return-Path: jnesbit@mka.pvt.k12.nj.us Received: from uu7.psi.com (uu7.psi.com [38.8.39.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id JAA25107 for ; Fri, 8 Dec 1995 09:28:56 -0500 Received: from mka-gate.mka.pvt.k12.nj.us by uu7.psi.com (5.65b/4.0.940727-PSI/PSINet) via SMTP; id AA25011 for teachers@dimacs.rutgers.edu; Fri, 8 Dec 95 09:28:52 -0500 Received: from mka-proxy.mka.pvt.k12.nj.us (ccmail-gate) by mka.pvt.k12.nj.us (5.x/SMI-SVR4) id AA05264; Fri, 8 Dec 1995 09:27:12 -0500 Received: from cc:Mail by mka-proxy.mka.pvt.k12.nj.us id AA818443572; Fri, 08 Dec 95 23:12:17 est Date: Fri, 08 Dec 95 23:12:17 est From: "jnesbit" Message-Id: <9511088184.AA818443572@mka-proxy.mka.pvt.k12.nj.us> To: teachers@dimacs.rutgers.edu Subject: Powers of Ten Hi everyone! I just got my e:mail about two weeks ago. I am really enjoying being "in the loop" and hearing from everyone. Sometimes I feel a little as though I'm eavesdropping. I guess I'll get over that. Does anyone out there use the Powers of Ten video with high school classes? Judy Nesbit From joer Fri Dec 8 13:26:46 1995 Return-Path: spicker Received: (from spicker@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id NAA05280 for teachers; Fri, 8 Dec 1995 13:26:46 -0500 Date: Fri, 8 Dec 95 13:26:46 EST From: Susan Picker To: teachers Subject: Powers of 10 & new CD-ROM Message-ID: Dear Friends & Colleagues: In reply to Judy Nesbit's query about using "Powers of 10" with HS students, I've used it to teach exponents and particularly negative expoenents. Since it's only 9 minutes long, I've always shown it twice, with discussion in between. As Chuck commented some days ago, the students love the trip back. One of the amazing things is how outer space looks so much like inner space with the vast distances between things. It's a great link to science--because through the use of the negative exponents you travel to the molecular level. A new CD-ROM, containing the early "rough cut" in black and white as well as the color version most of us are familiar with and a great number of icons for interactive exploration will be available in the spring of 1996. The CD is an amplification of the film's theme "scale and the relative size of things in the universe", and is more in keeping with discrete mathematicsbecause if it and its exploration of patterns. A colleague of mine saw it the other night at the Cooper-Hewitt design museum in New York. The CD was designed by the grandson of the film's creators, Charles and Ray Eames. Interestingly, they were designers of many things including furniture which is in the collection of the Museum of Modern Art. The CD-ROM will be available for less than $80, from Pyramid Media P.O.Box 1048 Santa Monica, California 90406 800.421.2304 Enjoy, Susan Susan H. Picker spicker@dimacs.rutgers.edu From joer Fri Dec 8 14:35:25 1995 Return-Path: fogle Received: (from fogle@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id OAA06417 for teachers@dimacs.rutgers.edu; Fri, 8 Dec 1995 14:35:25 -0500 Date: Fri, 8 Dec 95 14:35:24 EST From: fogle To: teachers@dimacs.rutgers.edu Subject: Star internet Message-ID: Does anyone have the address for the pictures that the Hubbel telescope is sending back to earth that Evan Maletsky talked about on Saturday? Dave From joer Fri Dec 8 23:20:26 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id XAA20472 for teachers; Fri, 8 Dec 1995 23:20:26 -0500 Date: Fri, 8 Dec 95 23:20:26 EST From: Judy Brown To: teachers Subject: [Mac.NewsWatcher@epix.net: Re: Math font for Mac?] Message-ID: Hi Everyone, Tonight I found myself wading through some math news groups, something I seldom do since I prefer Netscape format, and I found this interesting post conserning math fonts to be used with discrete math. I immediately downloaded the fonts and thought some of you might also be interested. They have Mac and Windows versions. Judy --------------- Received: from epix.net (grape.epix.net [199.224.64.22]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id XAA19901 for ; Fri, 8 Dec 1995 23:00:26 -0500 From: Mac.NewsWatcher@epix.net Received: from bngrppp52.epix.net (bngrppp52.epix.net [199.224.77.52]) by epix.net (8.7.1/8.7) with SMTP id XAA19465 for ; Fri, 8 Dec 1995 23:00:15 -0500 (EST) Date: Fri, 8 Dec 1995 23:00:15 -0500 (EST) Message-Id: <199512090400.XAA19465@epix.net> To: judyann@dimacs.rutgers.edu Subject: Re: Math font for Mac? > Path: news.epix.net!news.sprintlink.net!news.clark.net!rahul.net!a2i!bug.rahul.net!a2i!infoseek.com!uunet!in1.uu.net!tank.news.pipex.net!pipex!news.mathworks.com!newsfeed.internetmci.com!howland.reston.ans.net!usc!news.cerf.net!newsserver.sdsc.edu!newshub.csu.net!charnel.ecst.csuchico.edu!csusac!csus.edu!dick > From: dick@silicon.csci.csusb.edu (Dr. Richard Botting) > Newsgroups: sci.math > Subject: Re: Math font for Mac? > Date: 4 Dec 1995 05:00:40 GMT > Organization: CS Dept., Calif. State Univ., San Bernardino > Lines: 42 > Message-ID: <49tv9o$239@news.csus.edu> > References: <49j4ea$209@sheoak.bendigo.latrobe.edu.au> > NNTP-Posting-Host: dick%@blaze.csci.csusb.edu > > David Shield (d.shield@bendigo.latrobe.edu.au) wrote: > : I teach elementary Discrete Maths to undergraduates, > : and run into problems in preparing printed materials. > : (My preferred tool is Claris Works on a Macintosh.) > > : The "Symbol" font is very useful, of course, but > : frustratingly does not contain the "is a subset of" or > : "is a proper subset of" symbols, even though it contains > : their much less useful (to me) reversals at shift-opt-space, > : opt-space and opt-; (option-semicolon). Similarly, > : it does not contain the logic "and" symbol "/\", though > : it does contain the "or" "\/" at opt-1. > > [snip] > : Has anyone met/overcome this problem? Can you recommend > : a Maths font - preferably PD, but failing that, commercial? > > The Zed Font is PD, has all the set theory symbols and lots > of arrows and such. It is a "trueType" font and also has > version for that other OS. Use it in combination with Symbol > if you need Greek. > > I developed my own bitmapped font years ago (Cambridge) but prefer Zed > for readabillity and lazer printed stuff. > > You can get a copy from Oxford University I believe or, > from my FTP/WWW site in California. > http://www.csci.csusb.edu/dick/tools > or FTP to ftp.csci.csusb.edu and change directory to dick/tools. > > [TXT] [2]Zedfont.README 16-Jun-95 13:44 1K > [TXT] [3]Zedfont.sea.hqx 16-Jun-95 13:44 113K > [TXT] [4]Zedfont.zip.uue 16-Jun-95 13:44 60K > > > > -- > dick@csci.csusb.edu=rbotting@wiley.csusb.edu. > Find out what's new at http://www.csci.csusb.edu/doc/www.sites.html > Disclaimer:`CSUSB may or may not agree with this message`. > Copyright(1995):Copy this freely but include the following link to the > author's signature From joer Mon Dec 11 14:20:49 1995 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (B+XVhhk8rPZcQiOJmTzl1QNkPbzfc+ED@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id OAA15359 for ; Mon, 11 Dec 1995 14:20:46 -0500 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id OAA21293; Mon, 11 Dec 1995 14:20:43 -0500 Date: Mon, 11 Dec 1995 14:20:42 -0500 (EST) From: Charles Biehl To: jnesbit cc: teachers@dimacs.rutgers.edu Subject: Re: Powers of Ten In-Reply-To: <9511088184.AA818443572@mka-proxy.mka.pvt.k12.nj.us> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII I have always used the "Powers of Ten" video with my ninth graders, both in "general" math and in algebra. I have used it in conjunction with activities on scientific notation as well as any time I felt it was appropriate for a video number sense activity. Following the video, I start snapping my fingers once per second (it's pretty easy to do without peeking, and you can talk and all kinds of things once you get going.) Somebody in the class always (eventually( asks why I'm doing that and I pose the question "How long would it take me to snap 1 million times at this rate, without any stops?" Getting from the 1 million second answer to a "reasonable" unit proves to be engaging, especially after the initial guesses. Then we try it for a billion. Really helps with the sense of some big numbers. From joer Mon Dec 11 14:39:39 1995 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (fkOKEduYzP+lwN2uUgnL1nZbnZdqU5n8@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id OAA15657 for ; Mon, 11 Dec 1995 14:39:38 -0500 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id OAA23371; Mon, 11 Dec 1995 14:39:37 -0500 Date: Mon, 11 Dec 1995 14:39:37 -0500 (EST) From: Charles Biehl To: dm teachers Subject: T-colorings Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII At the last follow-up, I really enjoyed Fred Roberts' presentation on T-colorings. For those of you who don't know Fred, he was an instructor for the DM Program early on, and taught us that sometimes it's OK to lie (like when you have to solve a TSP knowing full well there are no guaranteed solution methods) and that occasionally greed is good (like when using greedy algorithms.) Anyway, in case you missed the last follow-up, a T-coloring is a vertex coloring of a graph with a different spin. Suppose that the colors are represented by integers. Then let there be a set called T whose elements are numbers representing the differences that the color numbers of adjacent vertices cannot be. In a "regular" coloring that we all know, the set T={0}, meaning adjacent vertices' colors can't be the same. An optimal T-coloring for a graph is one in which the difference between the highest and lowest color number, called the 'span', is a minimum. This was an especially interesting problem to me when related to assigning channels to broadcasting stations, where T represented the differences between channels that could harmonic interference, as in wave doubling. I have been unable to find any reference to T-coloring in any of the books I have. Anybody out there know of a place? I'm interested in finding other applications and contexts for T-coloring problems. Chuck P.S. I would still also be interested in starting up a multilogue(?) on empire coloring... From joer Mon Dec 11 15:53:29 1995 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id PAA17171 for teachers; Mon, 11 Dec 1995 15:53:29 -0500 Date: Mon, 11 Dec 95 15:53:29 EST From: Patrick Carney To: teachers Subject: Chuck's Powers of 10 Message-ID: Hi- Just to add to Chuck's recent post, I like to add who was alive 10^9 seconds ago (only me in the room) and so could have counted them off. Then 10^9 min. ago -- 1st century, etc. Thought you might like that twist. Then 10^9 hours ago?? As ever, Bro. Pat Carney From joer Mon Dec 11 23:10:04 1995 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id XAA29956 for ; Mon, 11 Dec 1995 23:10:03 -0500 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.7.1/8.6.6) id XAA92208; Mon, 11 Dec 1995 23:09:44 -0500 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.7.1/8.6.6) id XAA98855; Mon, 11 Dec 1995 23:09:43 -0500 Message-Id: <199512120409.XAA98855@pen2.pen.k12.va.us> Subject: ThinkQuest Project // Read Immediately! (fwd) To: teachers@dimacs.rutgers.edu (all teachers) Date: Mon, 11 Dec 95 23:09:43 EST Cc: mspikell@wpgate.gmu.edu, dpittman@pen.k12.va.us, kmorris3@osf1.gmu.edu, scritchf@pen.k12.va.us, nhall2@gmu.edu, mhelman@osf1.gmu.edu, patricia_a._robertson@wnvt.pbs.org X-Mailer: PENELM [version 2.3.1 PL11] Hi all, This just came across my email from our county computer coordinator and it really sounds like a neat idea. Maybe someone in our groups can work with this program. Jackie > > Moderator's Note: I met the head of ANS at TelEd last weekend in Ft. > Lauderdale, and he was excited to bring me information about ThinkQuest, a > new project that not only encourages students to become collaborative > learners via the Net, but also offers $$ money for winners of the Project > to help find ed. technology in schools! Here's all the information I just > received -- enjoy, and get involved ASAP if you can! > > We'll cover this Project in the pages of the next Classroom Connect, but I > felt it was important enough to let all of you on the list know about it > ASAP so you can get involved! > > Cheers! > > Tim McLain > tmc@classroom.net > > > -------------------------------------------------- > > > Contact: Robin Goodman or Karen Haines > Phone: 212-508-9600 > EMAIL: ThinkQuest-info@advanced.org > > > ThinkQuest - A New Way to Learn Via the Internet > > http://www.advanced.org/ThinkQuest > > A Contest for Grades 7-12 Offers Scholarships and Awards that can Total > Over $1 Million > > > Picture students across town, and across the country, collaborating to help > each other learn about their favorite subjects -- and also learning how to > tap into the vast information resources of the Internet. > > And picture that these same students, along with their teachers and > schools, will be rewarded not only with increased knowledge, but with total > scholarships and other awards that can exceed $1 million. Top awards are > $25,000 individual scholarships. > > This is the vision of ThinkQuest -- a new, annual contest created by > Advanced Network & Services, Inc. for students in grades 7-12. ThinkQuest > challenges students to work in teams with their teachers to build > educational tools and materials for the Internet that can be shared with > fellow students. > > "ThinkQuest will lead students to experience the Internet as a compelling > new communications medium that can change how they learn today and will > live in the future," said Allan H. Weis, President and CEO of Advanced > Network & Services. "Our goal is to significantly expand the number of > high-quality educational tools and materials that are available on the > Internet and exploit the Internet style of learning." > > "The 'Internet Style' of learning encourages students to explore, > collaborate with one another, and tap the Internet's enormous reservoir of > information," said Larry Landweber, President of the Internet Society. "We > support the creation of ThinkQuest and its goals as a call to action for > teachers, students and the business community to improve their > understanding of new technologies," he added. The Internet Society is a > non-governmental International organization for global cooperation and > coordination for the Internet and its internetworking technologies and > applications. > > > About ThinkQuest > > The contest will create collaboration among students in different grades, > from dissimilar schools, and with different levels of knowledge about using > computers and communications. "ThinkQuest is intended to help improve the > quality and diversity of educational tools and materials now available on > the Internet," said Yvonne Marie Andres, President of The Global SchoolNet > =46oundation (GSN), a leader in instructional applications of > telecommunications and a major contributor to educational networking on the > Internet and in the classroom. "The best of these tools will exploit the > Internet's unique interactive nature to communicate excitement, share > information and build relationships." > > Each team entering ThinkQuest will consist of two or three eligible > students from one, two or three different schools, and one teacher from > each school to guide and assist the team. The students will be asked to > create World Wide Web pages that are learning tools or educational > materials that can be used by other students. > > "Learning on the Internet is new and very open to fresh ideas," said Linda > Roberts, Director of the Office of Educational Technology of the U.S. > Department of Education. "ThinkQuest encourages students to explore new > pathways for learning, seek out experts, and create innovative and powerful > applications." > > > What is an Educational Tool? > > Examples of the types of entries that will be considered include: > > Scientific and Mathematical Phenomena in Sports. A team could create a > "growing library" that analyzes the science and mathematics behind > different sports phenomena, like the curve ball and sailing. The library > would grow over time as fans across the country submitted analyses of their > favorite sporting skills. > > National Environment Survey. A team could raise awareness about > environmental issues by tracking key data on a national scale. For example, > a team could track the decline of the U.S. frog population by creating a > base survey that is made available to students across the country. They > could collect all the data and create a national map of the results. > > History Through Song. A team could encourage students to use two important > resources to learn: the elderly and music. The team could interview > grandparents and neighbors to learn old songs that tell historical stories. > They could sing and record the songs; present the score, text and > interpretation; provide the songs' origins and create a structure for other > students to do the same and add to this historical database. > > > ThinkQuest Awards > > To help students continue their education beyond high school, Advanced > Network & Services, Inc. is sponsoring scholarship awards for students and > cash awards for the teachers and their schools. Each of the five > categories: science and mathematics; arts and literature; social sciences; > sports; and interdisciplinary, will have five awards: > > =46irst Place Award: > $15,000 per Student, $2,500 per Teacher, and $2,500 per School > > Second Place Award: > $12,000 per Student, $2,000 per Teacher, and $2,000 per School > > Third Place Award: > $ 9,000 per Student, $1,500 per Teacher, and $1,500 per School > > =46ourth Place Award: > $ 6,000 per Student, $1,000 per Teacher, and $1,000 per School > > =46ifth Place Award: > 3,000 per Student, $ 500 per Teacher, and $ 500 per School > > And, one team will win "Best Entry in the Contest, " with an award of > $25,000 per Student, $5,000 per Teacher, and $5,000 per School.* > > > How To Enter > > Each team must submit a written proposal for its Web pages by April 15, > 1996.** If the proposal is approved, the team will develop its entry which > must be submitted between June 15 and August 15, 1996.** If the entry > complies with the rules and has educational merit it will be placed on the > ThinkQuest Server and made available to the Internet community. The entries > will then be judged by The Internet Society and the finalists will be > determined. Final judging will take place at an awards event in November of > 1996.** > > Contest information and complete instructions will be sent to schools in > January. Students and teachers can find out more about ThinkQuest via the > ThinkQuest server at http://www.advanced.org/ThinkQuest. There, they may > receive help in choosing collaborators, finding a list of frequently asked > questions (FAQs), finding helpful hints on how to build entries, as well as > tips and pointers to software tools to help them build their educational > Web pages. Beginning in February 1996, regional workshops will be held for > teachers to help them support contestants. Details will be available on the > ThinkQuest server. > > "The Internet is going to have a profound impact on our lives," Weis > concludes. "We hope ThinkQuest will energize students to take the lead in > creating and mastering this new communications medium." > > Advanced Network & Services, Inc., the sponsor of ThinkQuest, is dedicated > to advancing education and science through the promotion, use and diffusion > of computer networking technology. ThinkQuest is one of the programs it has > selected to help carry out that purpose. The organization is a nonprofit > corporation that was formed in 1990. Between 1990 and 1995, Advanced > Network & Services provided the NSFnet Backbone Service and other Internet > services that resulted in 12,000 miles of 45 Mbps circuits serving the U.S. > from New England to Hawaii. > > > > * No team can win more than one award > ** Actual deadlines will be announced in the official rules and guidelines, > to be issued in January > 1996. > > > # # # > > > Backgrounder on the Project... > > > THE INTERNET STYLE OF LEARNING > > > =B7 In Hawaii, students use the Internet to pilot a virtual robotic submarin= > e > as it explores sea life along the Antarctic coast line. > > =B7 Across the country, children in different grades have created the > nation's premier database on water acidity and have created the best acid > rain database in the country by measuring local water bodies and compiling > the information over the Internet. > > =B7 In Tucson, Arizona, the National Solar Observatory sends images of the > Shoemaker-Levy comet over the World Wide Web as astronomers answer student > questions. > > =B7 In Southern California and Kobe, Japan, students learn about earthquake > preparedness by sharing experiences through Internet video conferencing. > > =B7 In cities and small towns around the world, high school students receive= > d > first-hand accounts of life in a besieged Bosnian town and anxiously hoped > for peace. > > All over the United States, students and schools are using the Internet and > World Wide Web to create a unique style of learning that emphasizes > resources, relationships, and exploration. > > > The Five Rs > > By going on line, students can delve into special libraries, develop > relationships that dissolve the barriers of age and distance, and share the > enthusiasm of experts who love their careers. Over the Internet, pupils > from different schools and backgrounds work together on projects and > publish their results for thousands to view. Together, they are opening a > window onto a vital world that might otherwise exist only as a flickering > two-dimensional image on a television screen. As a result, many educators > are rethinking the three traditional "Rs" and adding resources and > relationships to reading, writing, and 'rithmetic. > > > A Wealth of Resources > > Internet resources range from libraries and scholarly papers to Web sites > where students can dissect a virtual frog, view the history of the Berlin > Wall, or simply watch a live broadcast of people walking down Hollywood > Boulevard. They also include forums for exchanging information and even > shopping malls. > > Many organizations, from NASA to the American Heart Association have set up > home pages. These sites often serve as clearinghouses for specialized > information. On the home page of the Global SchoolNet Foundation (GSN), for > example, teachers can review hundreds of collaborative projects between > schools from around the world. Students who visit this page can talk with > geologists, learn about geography from a family roaming the globe, or find > out what students in other countries eat for dinner. Because the Web is so > easy to navigate, students can follow an idea wherever it may lead. By > clicking on highlighted icons or words (hot links), students can jump to > related sites. For example, a class studying Renaissance paintings might > start with the collection in the Louvre, then follow links to sites that > specialize in individual painters or discuss the types of paints available > to artists of the time. Other links might lead to a description of Italian > politics or a catalog of architectural treasures of the period. > > These examples are among tens of thousands of Web sites. (The Web, which is > the most easily accessible part of the Internet, is growing at about 15 > percent per month.) Yet the Web is only a limited part of the Internet, > which is estimated to have 30 to 40 million users around the world. > > > Building Relationships > > The new dimension of relationships that the Internet brings multiplies the > value of the resources on the Net. Unlike reading a book, watching TV, or > looking at a CD-ROM, the Internet is a participatory experience where > collaborative learning can have extraordinary power. And, each interaction > enhances the quality and value of the information exchanged. > > At Philadelphia's Franklin Institute, for example, six classes in grades > two through six, all from different schools, collaborated on a project > about wind. Each class evolved a different approach to building windmills > and fans. By sharing their individual approaches over the Web, classes were > able to build on one another's work, creating sophisticated experiments to > define the shape of the best windmill blades for various conditions. > > Other schools have worked with students from other countries. For example, > in the Virgin Islands, middle school students collaborated with eight > classes on four continents. The classes exchanged reports on local > geography and unique aspects of their culture. According to the class > teacher, the project motivated and engaged his students. It also spurred > students to improve their grammar and writing skills so they could help > overseas correspondents who spoke English as a second language. > > Some students have corresponded with scientists at universities and > research institutes, who use the Internet for communications and > collaborations of their own. Through the Net, others have followed the fall > of the Iron Curtain, the growth of China's democracy movement, and the war > in Bosnia -- making the world part of their curriculum. > > > ThinkQuest: Turning Promise to Opportunity > > These projects, however, represent only the promise of what the Internet > can hold for students. Although the opportunities are enormous, there is > much to be done to realize the Internet's potential as a medium for > advancing education -- to create a whole new set of educational tools to > take advantage of the "Five Rs" and give teachers and students the access > and skills to benefit from them. But, like many new technologies, this > medium also has the potential to further widen the gap between students > from more technologically advanced schools and students from schools that > aren't as high on the information age ladder. > > The ThinkQuest program begins to tackle these issues. It creates a > structure, and a dynamic within that structure, where students and teachers > are motivated to form teams from dissimilar schools and build high quality > educational tools and materials that foster the Internet style of learning. > > > > # # # > > > Outline of ThinkQuest Rules > > > Eligibility > > Any student in good standing in grades 7 through 12 at any public, private > or parochial school in the 50 states of the United States may participate > on a Team. > > A student can participate in only one Team. > > > =46orming Teams & Submitting Proposals & Entries > > Two or three students are required for a Team. They may be from one, two or > three schools. The formation of teams of students from dissimilar schools > is strongly encouraged. > > A teacher is required from each school of a student team member. > > > Any potential team participant may register on the ThinkQuest server to > receive future information and to participate in the ThinkQuest Meeting > Place to form a Team. The ThinkQuest server is at > http://www.advanced.org/ThinkQuest. > > > Proposals must be submitted via the ThinkQuest server, using the Proposal > =46orm on that server, on or before April 15, 1996.* The Proposal Form must > be completed. > > A Team whose Proposal is approved may create an Entry and submit it via the > ThinkQuest server between June 15 and August 15, 1996.* > > > Completed Entry Forms must be signed and submitted at the time the Entry is > submitted. All Proposals, Entries and Entry Forms must comply with all of > the ThinkQuest rules. These rules are available on the ThinkQuest server. > > > Teachers, parents and others may guide and coach students, but the students > must do their own work and must not copy from others, except as is > permitted under the ThinkQuest rules. > > *Actual deadlines will be announced in the official rules and guidelines, > to be issued in January 1996. > > > Use of Entry > > Complying entries will be placed on the ThinkQuest server for use by > students and others. The frequency and nature of the use of an entry will > be a factor for the Judges to consider. Teams may submit comments stating > why the usage of their entry demonstrates that it is exciting and > educationally valuable. > > > Judging Guidelines and Criteria > > The Judging Guidelines and Criteria are contained in the ThinkQuest rules. > In general: (a) 10% weight will be placed on the extent to which (i) the > students on a Team cooperated effectively between or among dissimilar > schools, and (ii) the Entry creates collaboration among other students at > different locations. (b) 30% weight will be placed on the extent that the > Entry is an exciting and innovative tool or material for learning in the > Internet style. (c) 30% weight will be placed on the educational value and > merit of an Entry indicated by the frequency and nature of the use of an > Entry and the nature of the users. (d) 30% weight will be placed on the > technical quality of an Entry. All decisions of the Judges will be final. > > > Award Categories and Awards > > There are five award categories: Science & Mathematics; Arts & Literature; > Social Sciences; Sports; and Interdisciplinary (this can involve multiple > disciplines -- students can use their imagination). In each category, there > will be these awards: > > Place -------------------------------Awards-------------------------------= > --- > > =46irst: $15,000 per Student, $2,500 per Teacher & $2,500 per School > Second: $12,000 per Student, $2,000 per Teacher & $2,000 per School > Third: $ 9,000 per Student, $1,500 per Teacher & $1,500 per School > =46ourth: $ 6,000 per Student, $1,000 per Teacher & $1,000 per School > =46ifth: $ 3,000 per Student $ 500 per Teacher & $ 500 per School > > The Best of Contest Entry will have a $25,000 Award per Student, $5,000 per > Teacher, and $5,000 per School. No Entry can win more than one award. > > Awards for students will be in the form of scholarships to a college or > university. Awards for teachers and schools will be paid in cash. > > > Awards Ceremony > > About 36 teams will be invited to an Awards Ceremony scheduled for November > 1996. Transportation and accommodations will be provided for the students > and teachers associated with these Teams. > > > =46requently Asked Questions > > Students and teachers are encouraged to read the Frequently Asked Questions > and the answers that will be available on the ThinkQuest server, and are > invited to submit questions about, and suggestions for, the ThinkQuest > contest. > > > The Sponsor > > Advanced Network & Services, Inc., the sponsor of ThinkQuest is dedicated > to advancing education and science through the promotion, use and diffusion > of computer networking technology. ThinkQuest is one of the programs it has > selected to help carry out that purpose. > > Advanced Network & Services, Inc. is located at 200 Business Park Drive, > Armonk, NY 10504. Between 1990 and 1995, Advanced Network & Services > provided the NSFnet Backbone Service and other Internet services that > resulted in 12,000 miles of 45Mbps circuits serving the U.S. from New > England to Hawaii. > > > The ThinkQuest Rules > > The full set of ThinkQuest rules will be made available on the ThinkQuest > server. The outline of the rules provided above is not complete and thus > may not be relied upon. Other helpful information is available to students > and teachers on that server. > > > # # # > > > Backgrounder for ANS, Inc... > > > Advanced Network & Services, Inc. > > > Advanced Network & Services, Inc. was formed in September of 1990. It is a > nonprofit corporation dedicated to advancing education and science through > the promotion, use and diffusion of computer networking technology. It is > recognized by the IRS as being qualified under IRC 501(c)(3). > > Shortly after formation, Advanced Network & Services, with the help of IBM, > MCI, Merit, Northern Telecom, and many others, built the largest and > fastest part of the Internet. Between 1990 and 1995, Advanced Network & > Services provided the NSFnet Backbone Service interconnecting the research > and education regional networks in the United States and raised the network > speed from 1.5Mbps to 45 Mbps. > > Much of the underlying technology that allowed the dramatic growth of the > Internet during that period was developed by Advanced Network & Services. > Its network operated at 45 Mbps and spanned 12,000 miles, serving the U.S. > =46rom New England to Hawaii. It also provided other services to government, > universities and business including the first secure gateway which enabled > the rapid growth of the commercial Internet. > > In February of 1995, Advanced Network & Services sold substantially all of > its assets and operations to America Online. With the proceeds of that > sale, Advanced Network & Services initiated several new programs in support > of education and science. ThinkQuest is one of those programs. > > Advanced Network & Services is located at 200 Business Park Drive in > Armonk, New York, 10504, 914-273-1700. > > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > Timothy McLain Classroom Connect > tmc@classroom.net (717) 393-1000 > URL: http://www.classroom.net > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > > > > > > > -- > _______________________________________________________________________________ > W i l l i a m W a r r i c k > C o o r d i n a t o r o f T e c h n o l o g y > Stafford County Public Schools > 1739 Jefferson Davis Highway, Stafford, VA 22554 > wwarrick@pen.k12.va.us Phone: 703-659-3141 Fax: 703-720-4671 > Views expressed do not necessarily reflect those of Stafford County Schools > _______________________________________________________________________________ > -- ***************************************************************************** Jackie Faillace Getgood Teacher of Mathematics - - Consultant Discrete Mathematics K-8 Stafford Middle School 101 Spartan Drive Stafford, VA 22554 (540) 659 - 2171 e-mail: jfaillac@pen.k12.va.us From joer Tue Dec 12 16:09:18 1995 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (ywL1PWcRdTRkbxWONt92uVakdEIMfeSB@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id QAA25461 for ; Tue, 12 Dec 1995 16:09:17 -0500 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id QAA06513; Tue, 12 Dec 1995 16:09:15 -0500 Date: Tue, 12 Dec 1995 16:09:15 -0500 (EST) From: Charles Biehl To: dm teachers Subject: T-colorings (fwd) Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII ---------- Forwarded message ---------- Date: Tue, 12 Dec 1995 09:29:16 -0500 From: Fred Roberts To: cbiehl@UDel.edu Subject: T-colorings Chuck, Debbie Franzblau passed along your request for references about T-colorings. Thanks for the kind comments. I enjoyed the session. I was a bit frustrated because I had so much more material on T-colorings that I couldn't get to. Anyway, I have a survey article on T-colorings. It is in Discrete Applied Mathematics, vol. 93, 1991, pp. 229-245. This gives lots of references to the literature. I'd be happy to provide copies to anyone who wants them. Fred From joer Thu Dec 14 21:38:35 1995 Return-Path: Paula_Wilson@bbs.edc.org Received: from tristram.edc.org (tristram.edc.org [155.38.10.11]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id VAA21249 for ; Thu, 14 Dec 1995 21:38:34 -0500 Received: from bbs.edc.org (bbs.edc.org [155.38.10.8]) by tristram.edc.org (8.6.12/8.6.12) with SMTP id VAA20835 for ; Thu, 14 Dec 1995 21:36:31 -0500 Date: Thu, 14 Dec 95 22:01:03 -0400 From: Paula_Wilson@bbs.edc.org (Paula Wilson) Organization: Education Development Center Subject: correct address To: teachers@dimacs.rutgers.edu Message-ID: <711186.ensmtp@bbs.edc.org> Priority: normal X-Mailer: ExpressNet/SMTP v1.1.5 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit My correct address is: paula_wilson@bbs.edc.org The underscore between my first and last names is important. Would the administrator please add me to the teachers list? California Paula -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- FirstClass BBS Education Development Center, Inc. Newton, Massachusetts The views expressed here are those of the individual. -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- From joer Sun Dec 17 23:17:05 1995 Return-Path: voolich@meol.mass.edu Received: from meol.mass.edu (meol.mass.edu [134.241.27.23]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id XAA27038 for ; Sun, 17 Dec 1995 23:17:02 -0500 Received: by meol.mass.edu; id AA12468; Sun, 17 Dec 1995 23:22:03 -0500 Date: Sun, 17 Dec 1995 23:22:03 -0500 (EST) From: Erica Voolich To: bertgar@aol.com, johanna@columbia.edu, karendm@aol.com, lynn@fantasyfarm.com, melodyweav@aol.com, pwood@idea.uml.edu, ryeats@heinous.music.uiowa.edu, skb@simons-rock.edu, slcox@aol.com, svoolic1@cc.swarthmore.edu, sweiss@bje.org, teachers94@dimacs.rutgers.edu, tmacdon@k12.oit.umass.edu Subject: What you have made Santa do (fwd) Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII smile folks, happy holidays Erica ---------- Forwarded message ---------- Date: Sun, 17 Dec 1995 19:13:12 -0500 From: k1oik@ccsnet.com To: teachers@meol.mass.edu Subject: What you have made Santa do A Politically Correct Merry How to live in a world that's politically correct? His workers no longer would answer to "Elves", "Vertically challenged" they were calling themselves. And labor conditions at the north pole Were alleged by the union to stifle the soul. Four reindeer had vanished, without propriety, Released to the wilds by the Humane society. And equal employment had made it quite clear That santa had better not use just reindeer. So dancer and donner, comet and cupid, Were replaced with 4 pigs, and you know that looked stupid! The runners had been removed from his sleigh; The ruts were termed dangerous by the E.P.A. And people had started to call for the cops When they heard sled noises on their roof-tops. Second-hand smoke from his pipe had his workers quite frightened. His fur trimmed red suit was called "Unenlightened." And to show you the strangeness of life's ebbs and flows, Rudolf was suing over unauthorized use of his nose And had gone on Gerlado, in front of the nation, Demanding millions in over-due compensation. So, half of the reindeer were gone; and his wife, Who suddenly said she'd enough of this life, Joined a self-help group, packed, and left in a whiz, Demanding from now on her title was Ms. And as for gifts, why, he'd ne'er had a notion That making a choice could cause such a commotion. Nothing of leather, nothing of fur, Which meant nothing for him. And nothing for her. Nothing that might be construed to pollute. Nothing to aim. Nothing to shoot. Nothing that clamored or made lots of noise. Nothing for just girls. Or just for the boys. Nothing that claimed to be gender specific. Nothing that's warlike or non-pacific. No candy or sweets...they were bad for the tooth. Nothing that seemed to embelish the truth. And fairy tales, while not fobidden, Were like Ken and Barbie, better off hidden. For they raised the hackles of those psychological Who claimed the only good gift was one ecological. No baseball, no football...someone could get hurt; Besides, playing sports exposed kids to dirt. Dolls were said to be sexist, and should be passe; And nintendo would rot your entire brain away. So santa just stood there, disheveled, perplexed; He just could not figure out what to do next. He tried to be merry, tried to be gay, But you've got to be careful with that word today. His sack was quite empty, limp to the ground; Nothing fully acceptable was to be found. Something special was needed, a gift that he might Give to all without angering the left or the right. A gift that would satisfy, with no indecision, Each group of people, every religion; Every ethnicity, every hue, Everyone, everywhere...even you. So here is that gift, it's price beyond worth... "May you and your loved ones enjoy peace on earth." From joer Mon Dec 18 08:42:58 1995 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id IAA06663; Mon, 18 Dec 1995 08:42:58 -0500 Date: Mon, 18 Dec 1995 08:42:58 -0500 From: Joe Rosenstein Message-Id: <199512181342.IAA06663@dimacs.rutgers.edu> To: Paula_Wilson@bbs.edc.org CC: teachers@dimacs.rutgers.edu In-reply-to: <711186.ensmtp@bbs.edc.org> (Paula_Wilson@bbs.edc.org) Subject: Re: correct address Paula -- Greetings ... I will add you to the list with the address you provided. Joe -- _____________ Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 Check out the NJ Math Coalition WWW page on ... http://dimacs.rutgers.edu/nj_math_coalition/ From joer Mon Dec 18 16:18:51 1995 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id QAA21787 for ; Mon, 18 Dec 1995 16:18:50 -0500 Received: from cis-ts3-slip10.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA10703; Mon, 18 Dec 1995 16:18:45 -0500 Message-Id: <9512182118.AA10703@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Mon, 18 Dec 1995 16:22:01 -0400 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: follow-up resources Cc: jkowalcz@xor.cis.brown.edu The following are a list of incomplete resources shared at the recent follow-up. I am trying to put together a more detailed resource directory and would appreciate any help you can give if you have used any of the resources listed. I would especially like comments (that is a few sentences) from those who have used this resource on how you found this resource useful in your teaching of dm as well as a list of the discrete math topics that you may have found useful in this book. Regards, Janice ***** Please help fill this in more. Thank you in advance for your helpfulness! Type of Resource: Resource book Grade levels: Topic/s addresses: paths, counting shapes Title: The Other Side of Reading Author/s: Publisher: Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: ***** For this resource I would particularly like to know where I can get a catalog or Phone number. This is anew publisher to me. Please help fill this in more. Type of Resource: Resource Book Grade levels: Topic/s addresses: Title: The Multiplication Table Coloring Book Author/s:Hilary McElderry Publisher: Tanquin Publication Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: ***** Please help fill this in more. Type of Resource: Software CD-ROM for the Mac Grade levels:2 ? Topic/s addresses: Title: Zurk's Rain Forest Author/s: Publisher: Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: ***** Please help fill this in more. Type of Resource:Resource book Grade levels: Topic/s addresses: Title: The Mathematics Coloring Book Author/s: Publisher: Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: ***** Please help fill this in more. Type of Resource:Resource Book Grade levels: Topic/s addresses: Title: Problems Kids Enjoy Solving Author/s: Publisher: Dale Seymour Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: ***** From joer Mon Dec 18 18:47:14 1995 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id SAA24063 for teachers; Mon, 18 Dec 1995 18:47:14 -0500 Date: Mon, 18 Dec 95 18:47:13 EST From: Judy Brown To: teachers Subject: resources Message-ID: In Jan's request for more info she mentioned: Type of Resource:Resource Book Grade levels: Topic/s addresses: Title: Problems Kids Enjoy Solving Author/s: Publisher: Dale Seymour Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: Do you mean: Type of Resource:Resource Book Grade levels: 4-8 Topic/s addresses: problem solving strategies Title: Solving problems Kids Care About Author/s: Randall Souviney Publisher: Dale Seymour Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: $13.95 (1995 catalog price) Comments: Judy From joer Tue Dec 19 22:50:25 1995 Return-Path: voolich@meol.mass.edu Received: from meol.mass.edu (meol.mass.edu [134.241.27.23]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id WAA08323 for ; Tue, 19 Dec 1995 22:50:13 -0500 Received: by meol.mass.edu; id AA08518; Tue, 19 Dec 1995 22:53:26 -0500 Date: Tue, 19 Dec 1995 22:53:26 -0500 (EST) From: Erica Voolich To: general <01cvjones@bsuvc.bsu.edu>, bertgar@aol.com, kffasanel@maa.org, g.booker@edn.gu.edu.au, karendm@aol.com, lenhart@math.utk.edu, lynn@fantasyfarm.com, melodyweav@aol.com, pattyweiss@aol.com, pwood@idea.uml.edu, rickey@andy.bgsu.edu, ryeats@heinous.music.uiowa.edu, skb@simons-rock.edu, slcox@aol.com, struik@euclid.colorado.edu, sweiss@bje.org, teachers94@dimacs.rutgers.edu, tmacdon@k12.oit.umass.edu, ubi@usp.br, vkatz@udcvax.bitnet, Whe_Spungin@flo.org, Whe_Winokur@flo.org Subject: Morning SPAM (fwd) Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII smile friends! Erica Voolich ---------- Forwarded message ---------- Date: Mon, 18 Dec 1995 18:25:17 -0500 (EST) From: Johanna Voolich to: Erica Voolich Subject: Morning SPAM (fwd) Here is a true story someone found regarding exams at Cambridge University. It seems that during an examination one day a bright young student popped up and asked the proctor to bring him Cakes and Ale. The following dialog ensued: Proctor: I beg your pardon? Student: Sir, I request that you bring me Cakes and Ale. Proctor: Sorry, no. Student: Sir, I really must insist. I request and require that you bring me Cakes and Ale. At this point, the student produced a copy of the four hundred year old Laws of Cambridge, written in Latin and still nominally in effect, and pointed to the section which read (rough translation from the Latin): "Gentlemen sitting examinations may request and require Cakes and Ale". Pepsi and hamburgers were judged the modern equivalent, and the student sat there, writing his examination and happily slurping away. Three weeks later the student was fined five pounds for not wearing a sword to the examination. Tally HO Steve/Jax "Keep your powder dry" From joer Tue Dec 19 23:38:34 1995 Return-Path: judyann@dimacs.rutgers.edu Received: from cygnus.com (cygnus.com [140.174.1.1]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id XAA09100 for ; Tue, 19 Dec 1995 23:38:33 -0500 Received: from majipoor.cygnus.com (majipoor.cygnus.com [140.174.1.3]) by cygnus.com (8.6.12/8.6.9) with ESMTP id UAA06896 for ; Tue, 19 Dec 1995 20:38:23 -0800 Received: (nobody@localhost) by majipoor.cygnus.com (8.6.12/8.6.4) id UAA09777 for teachers@dimacs.rutgers.edu; Tue, 19 Dec 1995 20:38:22 -0800 Date: Tue, 19 Dec 1995 20:38:22 -0800 Message-Id: <199512200438.UAA09777@majipoor.cygnus.com> From: judyann@dimacs.rutgers.edu (Judy Brown) To: teachers@dimacs.rutgers.edu Subject: Holiday greetings! Sender: xmastree-errors@cygnus.com Errors-To: xmastree-errors@cygnus.com X-Original-Host: bngrppp62.epix.net GGGG RRRRR EEEEEE EEEEEE TTTTTT IIIIII N N GGGGGG SSSS G G R R E E TT II NN N G G S S G R R E E TT II NN N G S G GGG RRRRR EEEE EEEEE TT II N N N G GGG SSSS G G R R E E TT II N N N G G S G G R R E E TT II N NN G G S G G R R E E TT II N NN G G S S GGGG R R EEEEEE EEEEEE TT IIIIII N N GGGGGG SSSS /\ <**> \/ H /||\ H //||\* O A //*||\\\ L /*//||*\\* I P *//*/||\\*\\ D //*///||\*\\\* A P /*//*//||*\\\*\\ Y *//*///*||\\\*\\*\ S Y */*//*///||\*\\\*\\* ! || /__\ * AND ALL GOOD WISHES FOR THE COMING YEAR * Personalized message follows: Happy Holidays to everyone... Be sure to visit this really cool web site to send a greeting card of your own. Hope your vacation time is a happy time. Judy ---------------------------------------------------------------------- This card brought to you by the Cygnus Support Christmas Tree project. Finger: finger xmastree@cygnus.com World Wide Web: http://www.cygnus.com/xmastree e-mail: xmastree@cygnus.com From joer Fri Dec 29 14:46:29 1995 Return-Path: voolich@meol.mass.edu Received: from meol.mass.edu (meol.mass.edu [134.241.27.23]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id OAA10874 for ; Fri, 29 Dec 1995 14:46:17 -0500 Received: by meol.mass.edu; id AA21558; Fri, 29 Dec 1995 14:47:07 -0500 Date: Fri, 29 Dec 1995 14:47:06 -0500 (EST) From: Erica Voolich To: general <01cvjones@bsuvc.bsu.edu>, anne@logal.com, bertgar@aol.com, ffasanel@maa.org, heiberger@a1.relay.upenn.edu, joanc1@aol.com, johanna@columbia.edu, karendm@aol.com, l.aragon@comap.com, lenhart@math.utk.edu, lynn@fantasyfarm.com, melodyweav@aol.com, pattyweiss@aol.com, pwood@idea.uml.edu, rickey@andy.bgsu.edu, ryeats@heinous.music.uiowa.edu, skb@simons-rock.edu, slcox@aol.com, struik@euclid.colorado.edu, svoolic1@cc.swarthmore.edu, sweiss@bje.org, teachers94@dimacs.rutgers.edu, tmacdon@k12.oit.umass.edu, Whe_Spungin@flo.org, Whe_Winokur@flo.org Subject: FORWARD MESSAGE RE: BOOKS DONATION (fwd) Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII thanks for reading and passing this message on Erica ---------- Forwarded message ---------- Date: Fri, 29 Dec 1995 12:19:16 -0500 (EST) From: George Dixon To: teachers@meol.mass.edu, meol-work@meol.mass.edu Subject: FORWARD MESSAGE RE: BOOKS DONATION (fwd) While we normally discourage messages to this entire list, the attached looked worthy enough for this treatment. George ---------- Forwarded message ---------- Date: Thu, 28 Dec 1995 11:01:16 -0500 (EST) From: CLOUIE@mecn.mass.edu To: MTC@mecn.mass.edu Subject: FORWARD MESSAGE RE: BOOKS DONATION ------------------------------------------------------------------ Dear education improvement leaders, Please send a message addressed to SHARE_THE_SPIRIT@HMCO.COM To encourage Houghton Mifflin to donate free books to a library across this country. Please spread this message to encourage others. Thank you. Warmest wishes for the New Year. Bob McLaughlin Co-Director Eisenhower Regional Alliance Houghton Mifflin Company has offered to donate one book to a children's >>hospital for every 25 e-mails they receive. Please take a minute to send a >>brief note to >> >> SHARE_THE_SPIRIT@HMCO.COM >> >>To date, the number of messages they had received is only 7,982 out of >>their goal of 25,000 by Dec 31st. ------------------------------------------------------------------- From joer Fri Dec 29 21:42:29 1995 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id VAA20530 for ; Fri, 29 Dec 1995 21:42:28 -0500 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.7.1/8.6.6) id VAA100534; Fri, 29 Dec 1995 21:42:18 -0500 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.7.1/8.6.6) id VAA87205; Fri, 29 Dec 1995 21:42:18 -0500 Message-Id: <199512300242.VAA87205@pen2.pen.k12.va.us> Subject: Free Winter Classes Announced On Virtual Campus (fwd) To: teachers@dimacs.rutgers.edu (all teachers) Date: Fri, 29 Dec 95 21:42:17 EST Cc: mspikell@wpgate.gmu.edu, dpittman@pen.k12.va.us, kmorris3@osf1.gmu.edu, scritchf@pen.k12.va.us, nhall2@gmu.edu, mhelman@osf1.gmu.edu, patricia_a._robertson@wnvt.pbs.org X-Mailer: PENELM [version 2.3.1 PL11] According to Spectrum Universal: >From Spectrum@Horizons.Org Thu Dec 28 18:12:09 1995 Date: Thu, 28 Dec 1995 14:04:37 -0800 From: Spectrum Universal Message-Id: <199512282204.OAA17653@north.pacificnet.net> To: Campus@Horizons.Org (World Horizons Network) Organization: Spectrum Virtual University Subject: Free Winter Classes Announced On Virtual Campus X-Loop: Spectrum@Horizons.Org FREE CLASSES GIVE A BREATH OF FRESH AIR ON THE INFORMATION HIGHWAY Spectrum Virtual University is now accepting enrollments for the Winter 1995-96 term. Our new catalog includes more than 20 classes. Most of these "virtual classes" are new and are being taught online for the first time. Courses will include a repeat of "Exploring The Internet," which attracted 40,000 people from 120 countries this Fall, a beginner's course on the World Wide Web and how to design a home page, two creative writing workshops, a popular course on Nonviolence that has been taught at UC Berkeley for more than 25 years, a history course on war-torn Bosnia, and a class on Tarot card reading. Winter classes will be FREE OF CHARGE to the public, thanks to the good will of volunteer instructors and the generosity of Quarterdeck Corporation of Marina del Rey, CA who is sponsoring the Winter term. Internet Business Unit Ambassador-at-Large Ron Brown explained that Quarterdeck is committed to expanding and enhancing the Internet to provide free and low-cost educational opportunities worldwide. The company publishes cutting edge software products such as "Web Compass," "Internet Suite," and "WebTalk," which allows users to talk live over the Internet. Winter classes begin January 29th and run 8-10 weeks through mid-April. To obtain a Class Calendar and enrollment details, send e-mail to Calendar@Horizons.Org - or enroll for classes instantly by visiting our virtual campus on the World Wide Web: --------------------------------------------------------------- NOTE: Please distribute this announcement to friends and co- workers who are interested in our free online classes. This notice may be freely posted on local bulletin boards, news- groups, or reprinted in newsletters and other publications. --------------------------------------------------------------- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- SPECTRUM Virtual University Spectrum@Horizons.Org FAX (818) 834-8221 -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- -- ***************************************************************************** Jackie Faillace Getgood Teacher of Mathematics - - Consultant Discrete Mathematics K-8 Stafford Middle School 101 Spartan Drive Stafford, VA 22554 (540) 659 - 2171 e-mail: jfaillac@pen.k12.va.us From joer Sat Dec 30 23:36:52 1995 Return-Path: voolich@meol.mass.edu Received: from meol.mass.edu (meol.mass.edu [134.241.27.23]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id XAA22008 for ; Sat, 30 Dec 1995 23:35:14 -0500 Received: by meol.mass.edu; id AA31755; Sat, 30 Dec 1995 23:36:37 -0500 Date: Sat, 30 Dec 1995 23:36:37 -0500 (EST) From: Erica Voolich To: anne@logal.com, bertgar@aol.com, joanc1@aol.com, johanna@columbia.edu, karendm@aol.com, l.aragon@comap.com, lenhart@math.utk.edu, lynn@fantasyfarm.com, melodyweav@aol.com, pwood@idea.uml.edu, ryeats@heinous.music.uiowa.edu, skb@simons-rock.edu, slcox@aol.com, svoolic1@cc.swarthmore.edu, sweiss@bje.org, teachers94@dimacs.rutgers.edu, tmacdon@k12.oit.umass.edu, Whe_Spungin@flo.org, Whe_Winokur@flo.org Subject: The science of Santa. (fwd) Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Smile folks Erica ---------- Forwarded message ---------- Date: Sat, 30 Dec 1995 15:43:12 -0500 From: k1oik@ccsnet.com To: teachers@meol.mass.edu Subject: The science of Santa. W A R N I N G contains material for 6 year olds and older. Now that Christmas is past and New Year is fast approaching, maybe it might be good to rellect on the following bit of scientific information: IS THERE A SANTA CLAUS? As a result of an overwhelming lack of requests, and with research help from that renown scientific journal SPY magazine (January, 1990) - the author is pleased to present this scientific inquiry into Santa Claus. 1) No known species of reindeer can fly. BUT there are 300,000 species of living organisms yet to be classified, and while most of these are insects and germs, this does not COMPLETELY rule out flying reindeer which only Santa has ever seen. 2) There are 2 billion children (persons under 18) in the world. BUT since Santa doesn't (appear to) handle the Muslim, Hindu, Jewish and Buddhist children, that reduces the workload to 15% of the total - 378 million according to Population Reference Bureau. At an average (census) rate of 3.5 children per household, that's 91.8 million homes. One presumes there's at least one good child in each. 3) Santa has 31 hours of Christmas to work with, thanks to the different time zones and the rotation of the earth, assuming he travels east to west (which seems logical). This works out to 822.6 visits per second. This is to say that for each Christian household with good children, Santa has 1/1000th of a second to park, hop out of the sleigh, jump down the chimney, fill the stockings, distribute the remaining presents under the tree, eat whatever snacks have been left, get back up the chimney, get back into the sleigh and move on to the next house. Assuming that each of these 91.8 million stops are evenly distributed around the earth (which, of course, we know to be false but for the purposes of our calculations we will accept), we are now talking about .78 miles per household, a total trip of 75-1/2 million miles, not counting stops to do what most of us must do at least once every 31 hours, plus feeding and etc. This means that Santa's sleigh is moving at 650 miles per second, 3,000 times the speed of sound. For purposes of comparison, the fastest man- made vehicle on earth, the Ulysses space probe, moves at a poky 27.4 miles per second - a conventional reindeer can run, tops, 15 miles per hour. 4) The payload on the sleigh adds another interesting element. Assuming that each child gets nothing more than a medium-sized lego set (2 pounds), the sleigh is carrying 321,300 tons, not counting Santa, who is invariably described as overweight. On land, conventional reindeer can pull no more than 300 pounds. Even granting that "flying reindeer" (see point #1) could pull TEN TIMES the normal amount, we cannot do the job with eight, or even nine. We need 214,200 reindeer. This increases the payload - not even counting the weight of the sleigh - to 353,430 tons. Again, for comparison - this is four times the weight of the Queen Elizabeth. 5) 353,000 tons traveling at 650 miles per second creates enormous air resistance - this will heat the reindeer up in the same fashion as spacecraft re-entering the earth's atmosphere. The lead pair of reindeer will absorb 14.3 QUINTILLION joules of energy. Per second. Each. In short, they will burst into flame almost instantaneously, exposing the reindeer behind them, and create deafening sonic booms in their wake. The entire reindeer team will be vaporized within 4.26 thousandths of a second. Santa, meanwhile, will be subjected to centrifugal forces 17,500.06 times greater than gravity. A 250-pound Santa (which seems ludicrously slim) would be pinned to the back of his sleigh by 4,315,015 pounds of force. In conclusion - If Santa ever DID deliver presents on Christmas Eve, he's toast now. =============================== http://www.ccsnet.com telnet://ccsnet.com Cape Cod's Internet Address =============================== From joer Mon Jan 1 19:42:03 1996 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id TAA14957 for teachers@dimacs.rutgers.edu; Mon, 1 Jan 1996 19:42:03 -0500 Date: Mon, 1 Jan 96 19:42:03 EST From: Judy Brown To: teachers@dimacs.rutgers.edu Subject: 1996 puzzle Message-ID: Hi Let the games begin... As today is the first day of 1996 it is appropriate that we begin to solve the problem: Can we write the numbers from 1 to 100 using the digits in the current year. (Oh come on, you knew I was going to post this)...So get out your pencils and pads of paper and get started. I only have 100 numbers left to find, I haven't started yet, been to busy partying. Let's see if working together we can get a complete answer sheet to share at the March Follow-up. Send my your answers and I'll make up the sheet. Here are the rules in case you don't remember. Rules: You may only use the digits 1, 9, 9, and 6. You may use these digits in any order with the operations +, -, x, /, ^ (raise to a power), square root, and factorial. Grouping symbols may also be used. Two digit numbers (such as 19, 91, 96, 99) may not be used. Good luck, get your students working on this one too, and send me your answers. Happy New Year Judy From joer Fri Jan 5 08:58:34 1996 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id IAA28360 for teachers; Fri, 5 Jan 1996 08:58:34 -0500 Date: Fri, 5 Jan 96 8:58:33 EST From: Patrick Carney To: teachers Subject: ADVICE REQUESTED Message-ID: Happy New Year everyone: We have a generous alumnus who is donating money to buy an LCD projector for use with our computers. I have read reviews but there are not many places here in the mountains which have them so I cannot get to see any. If any of you have such in your schools (as opposed to the LCD panels which fit over the overhead) and have any opinions (pro or con) about them as well as information on the best places to buy them and prices, I would greatly appreciate it. If it helps, we will be using them with Gateway 2000 486DX-66 machines. Thanks for any help. Bro. Patrick Carney From joer Fri Jan 5 14:58:17 1996 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id OAA11825 for ; Fri, 5 Jan 1996 14:58:14 -0500 Received: from cis-ts1-slip1.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA28043; Fri, 5 Jan 1996 14:57:51 -0500 Message-Id: <9601051957.AA28043@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Fri, 5 Jan 1996 15:02:06 -0400 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: CLIME Connections 8.1 Teachers, This announcements and resources arrived today. I thought there was a lot of good things here for many of our group so I am forwarding it. I have been a member of CLIME for a number of years and have worked in the past with Ihor Charischak the founder. Over the years I have used many of their materials - I think this information and opportunity to join will be a good one for many of you especially for those who are looking to incorporate technology effectively into their classrooms. Janice Kowalczyk >Date: Thu, 04 Jan 1996 10:50:34 -0500 >From: icharisc@VAXC.STEVENS-TECH.EDU (Ihor Charischak) >Subject: CLIME Connections 8.1 >To: icharisc@VAXC.STEVENS-TECH.EDU, halfacrs@ten-nash.ten.k12.tn, > Chris_Hancock@TERC.EDU, fharik@bbn.com, Dharper@bones.nwrdc.wednet.edu, > higginsw@edu-ss10.educ.QueensU.CA, CHOYLES@IOE.AC.UK, > JKAPUT@UMASSD.EDU, TKAWAS@LLNJ.LL.PBS.ORG, sk@kepler.unh.edu, > king@math.washington.edu, glennk@edc.org, Kowalcz@xor.cis.brown.edu, > Mary_Harley_Kruter@PBS.ORG, Kuczynski@scsu.ctstatu.edu, > blee@alpha1.wfc.edu.tw, r27141@er.uqam.ca, > WILLIAM.MASALSKI@EDUC.UMASS.EDU, CIE_JMCGINLE@VAXC.STEVENS-TECH.EDU, > Janeann@chaos.trenton.edu, melnick@bnk1.bnkst.edu >Mime-Version: 1.0 > >CLIME Connections (8.0) Fall/Winter, 1995 Edition > >*CLIME* is: >(1) the Council for Technology in Mathematics Education >(2) an affiliate member of NCTM >(3) interested in helping teachers use technology effectively in their >classroom (see Software Forum: top ten MATH PROGRAMS below) > >*CLIME Connections goes electronic! Starting with this issue CLIME will be >bringing its newsletter to you via e-mail. (There is a printed version for >those members not yet connected.) > >THIS ISSUE'S HIGHLIGHTS >*Feature: >-->Software Forum - CIESE'S TOP TEN MATH SOFTWARE LIST > >*Announcements: >-->(Coming soon) CLIME WWW home page affiliates with the new Math Forum >-->NCTM meets WWW >-->Mark your Calendar! CLIME Annual Meeting in San Diego should be >informative & entertaining > >In the next issue: TOP TEN TECHNOLOGY based MATH LESSONS >------------------------------------------------------------------------------- >IMPORTANT! If you are interested in future CLIME posts, please send a reply >indicting that you wish to be on the CLIME e-mail list. Future issues will >NOT be posted on this listserv. >------------------------------------------------------------------------------ >*The CLIME WORLD WIDE HOME PAGE which will contain useful information about >our efforts (as an NCTM affiliate) to keep our members informed on issues >related to teaching and learning mathemtics with technology. We will be >affiliated with the new Math Forum (formerly the Geometry Forum) and >included will be information about effective software for mathematics >teaching. (See our TOP TEN software list below.) We will unveil our home >page at a very special event in April, 1996. > >*The CLIME ANNUAL MEETING 10th Anniversary GALA EVENT. If you are going to >the NCTM meeting in San Diego, there will be a "special edition" CLIME >meeting on April 25th, 1996 at 5:00pm. We will be taking a trip down >memory lane reliving important milestones in the evolution of technology >applications. Our presenters will have had at least a 10 year perspective >on technology and software applications. We will also be looking at present >and future developments. This year one of the more exciting new tools will >be the TI-92 which I'm sure we'll talk about. Another presentation will be >looking at using measurement tools to analyze real world phenomenon brought >to the computer screen via video (Measurement in Motion). Also, a creative >teacher will share how she makes math come alive with graphing calculators. >(More details will follow in the - CLIME MEETING preview - which will be >out in early 1996.) > >--->PLEASE LET ME KNOW IF YOU ARE PLANNING TO ATTEND the San Diego meeting! >For those unable to attend, we will post a summary of the session on our >home page. > >And now onto our software forum..... > >CIESE's TOP TEN MATH Software List >This list is based on the results of an informal survey of teachers >involved in a three year NSF funded Mentorship project at the CIESE Center >at Stevens Institute of Technology in Hoboken, NJ. Here are the top ten >software programs (in reverse order): > >10. INTERPRETING GRAPHS (Apple II, DOS - Sunburst) >An intriguing little program that really attracts teachers. The most >popular part of this program (Relating Graphs to Events) offers three >possible graphs for a given event and asks the student to pick the one that >best represents that event. For example, which graph best represents a >burning candle (height vs. time)? Though fairly trivial and limited, this >program motivated quite a bit of curriculum integration. One of my favorite >extensions is the "Disappearing Mississippi River Prognosis" (inspired by >Harold Jacob's wonderful book "Mathematics: A Human Endeavor") which has >students examine the flaws in Mark Twain's prediction that at some point in >time the Mississippi River will be only 3/4 of a mile long! (Details >forthcoming in the next issue of CLIME Connections: "CIESE's Top Ten >Lessons"). Teachers have developed lesson plans that borrow from the Janson >mathematics program "Concepts in Algebra: A Technological Approach" that >use real world problems and graphs. Other related material includes the >excellent documentation developed by EDC for Tom Snyder's recently released >program Graph Action. Measurement in Motion from Learning in Motion (see >their website - http://www.learn.motion.com) lets you graph a "real" candle >burning via Quicktime movies! > >9. GEOMETRY INVENTOR (Windows, Macintosh - Logal & Sunburst) >One of the growing list of geometry conjecture programs. It is mostly used >by our middle school teachers because they find it a little easier to use >than the Geometer's Sketchpad. > >8. STATISTICS WORKSHOP (Macintosh - BBN & Sunburst) >This is a set of computer tools for understanding and exploring fundamental >concepts of data analysis. It includes four type of plots (histograms, >bar charts, box plots, and scatter plots) which can be set up as subplots. >What makes this program special is that you can manipulate the regression >line by dragging and observing a fit meter. There is also something called >"stretchy" histograms which allow graphic manipulation of the shape of a >distribution. The program is easy to learn and use. > >7. MATH EXPLORATION TOOLKIT or MET (DOS only - Eduquest) >An oldie, but goodie. It allows you to do algebraic processing as well as >the usual graphing. This is version one point oh. 2.0 never happened. >Instead, Eduquest developed something called Toolkit for Interactive >Mathematics (TIM) which had a very different design and feel. Though >reviews were favorable, none of our MET-using teachers switched. One >reason was that TIM was Windows based while MET was DOS and many of the >teachers only had DOS. But I doubt the teachers would have switched even if >they had Windows. The simplicity of MET (which also limits what's possible) >outweighed the steep learning curve of TIM. Their reaction to comparable >programs like F(G) Scholar and MacNumerics was luke warm at best. They >tried them, but kept returning to the old reliable workhorse - MET. (Our >focus in the project was on grades 7-10, so there was little interest in >higher-end programs like Derive and Mathematica.) > >6. MICROWORLDS MATH LINKS (Windows, Macintosh - LCSI) >This is Logo Computer Systems Inc's latest Logo program. In addition to >programming the turtle, one can program and create buttons for hypermedia >links, make intelligent sliders that control visual effects, create music >via an editor, etc.. Math Links includes a set of activities like: >polygons, repeating patterns, and transformations. Now there is a version >2.0 in the works. It will include access to QuickTime movies, photo banks, >sound clips, etc.Our teachers like the program, but use it only minimally >in their classrooms. No time for project development they say. > >5. TABLETOP SR (Windows, Macintosh - TERC & Broderbund) >A fascinating data analysis program that uses mobile icons as data points >which can be arranged into Venn diagrams as well boxplots, histograms, etc. >(Sorry, no regression lines.) It's a great visual show and wows most >audiences. Great for turning teachers on to using computers. Some teachers >are reluctant to try it in their classroom, because data analysis has not >caught on yet in their buildings. > >These final 4 programs were far and away the most popular! > >4. GREEN GLOBS & GRAPHING EQUATIONS (Apple II, DOS, Macintosh* - Sunburst) > >Another oldie, but goodie. In a class by itself. The Green Globs game is >one of our favorites and has initiated many Great Green Globs Contests. >This program has four parts. Part 1 is Equation Plotter in which you can >plot most functions and analytic geometry relations on a grid. Part 2 is >Linear and Quadratic Graphs in which you are tested on your recognition of >standard linear and conic graphs. Part 3 is Green Globs, a game in which >the more globs you can hit with equations, the higher the score. Part 4 is >another game, but much less popular. >*COMING IN DECEMBER - the MACINTOSH version! Contact Sunburst for details. > >3. ALGEBRA (DOS & Macintosh - Broderbund) >One of our teacher's favorites. Algebra is a complete first year algebra >course comprising of ten chapters with muliple pages. Some of the pages >are "hot" and offer some interactive explorations and practice problems. >Very easy to use. Great for in-service sessions and getting reluctant >members of your faculty to join the technology revolution. Teachers >immediately see its value in teaching the tradtional Algebra curriculum. >Broderbund also has an geometry program similar in design which has not >caught on with our teachers. Why? Because of the #1 program below. > >2. SPREADSHEETS - Clarisworks, Microsoft Works, and the Cruncher! - >Davidson & Assoc. (Macintosh & Windows) >Spreadsheets were a surprise hit in our project. Not only have the teachers >been interested in learning to use them, but they have also developed many >lessons for both middle and high school levels. In one sense, spreadsheets >have become the "Geometer's Sketchpad" for pre-algebra and algebra lesson >development. > >Drum roll please.... and now, the number one software program used by the >CIESE teachers is: > >1.GEOMETER'S SKETCHPAD (Windows & Macintosh -Key Curriculum Press) This >probably does not surprise you. Our teachers can never get enough of the >Sketchpad. Though there is the Cabri program (Texas Instruments) out there, >no one here has broken their allegiance to the Sketchpad. > >Other popular software include: Math Blaster, Math Blaster Plus, Math >Blaster Mystery, The Factory, How the West was One, Math Shop Series, >Geometric Golfer, and Math Connections: Algebra I. > >Though I am not personally very fond of the Blaster software, I do have to >acknowledge its popularity with some of our teachers. They see these >programs as a fun way to support their curriculum objectives which include >mastery of computational skills and simple problem solving skills. Not all >teachers are comfortable with bringing into their classroom the >complexities of spreadsheets and the Sketchpad right away. But with time, >they do get their feet wet. > >Your comments and questions are welcome. > >*WWW meets NCTM >Bill Higgensen posted on the NCTM listserv that the Standards document has >a website. The URL is: http://www.enc.org/cd/nctm/280dtocl.html. This made >me wonder what other NCTM documents will be posted. Skip Fennell (NCTM >board of directors) informs me that NCTM will have a page on the WWW soon. >They will allow some publications to be accessed in this way. Decisions on >which ones will be dependent on the Educational Materials Committee (one of >the 13 NCTM committees). This inspired me to find out what else is >happening with the WWW and NCTM. You may have noticed that in the lead >article of the September '95 issue of the NCTM News Bulletin there is a >list of e-mail addresses for the various NCTM committees . To reach >individuals like john doe the e-mail address is jdoe@nctm.org. It would be >fun to see who really is on-line. So pick your favorite NCTM luminary and >write to them. NCTM Information central can be reached at >infocentral@nctm.org. You can submit news items to news@nctm.org. > >*CLIME is planning to contact the committees to see what they are doing to >promote effective uses of technology. When I was serving as a member of the >technology task force last year, I was hoping that one of the outcomes >would be a technology advisory committee to oversee how technology is >promoted at national and regional conferences, in its publications, etc. >But the board of directors felt that a separate committee was not necessary >and that technology issues should be handled by the individual committees. >So I'll keep you posted on how that is going. > >*Sandy Dawson recently posted a description of a new publication that >Seymour Papert is editing called the International Journal of Computers for >Mathematical Learning. For more information contact Sandy >(sandy_dawson@sfu.ca). > >*Best of the clime microworlds available >Over the years CLIME has created a collection of Microworlds - applications >written in Logo - that can be useful in teaching mathematics. These are >available from CLIME. In addition a "Best of CLIME" package is available. >This includes four programs: Factor Game, Spiros, Darts, and Billiards. >These have been adapted for several different platforms and versions of >Logo. These programs are especially effective at the upper elementary and >middle school levels. The software is free if you have the appropriate Logo >program. > >*Great Microworlds Math Links lesson available in the printed version of >this newsletter. "Modeling Integer Operations using Microworlds Math >Links" by Kathy Verzoni. It was inspired by Robert Berkman's article in >Clime Connections 7.2. If you wish a copy, please let me know via e-mail. > >*Help! We need officers for the 1996 academic year! >Since CLIME is an affiliate group of NCTM and has volunteers like you >serving in positions of president, NCTM representative, etc. I am inviting >you to participate in CLIME as an officer for the calendar year >(1/96-12/96). This would be an opportunity for you to get more >knowledgeable about the "inner workings" of NCTM as well as to help >influence important decisions about technology's role in mathematics >education. Elections will be held at the San Diego meeting. Please let me >know if you are interested in serving as an officer. If so, please send a >short bio so we can put your name up for nomination at the annual meeting. > >FROM THE ARCHIVES - SUMMARY MEETING '95 (longer version available upon request) >Dateline: Boston, MA April 1995. There were more than 80 people in >attendance. Despite the disappointment that Seymour Papert was a no show, >the session went well. The focus, as usual, was on effective uses of >technology in the teaching of mathematics. Highlighted software packages >included: >Turtle math - Turtle geometry applications presented by Doug Clements and >Julie Sarama. >Tabletop - A data analysis program developed at TERC (available from >Broderbund) and presented by Chris Hancock. The program comes in a junior >and senior version. It is an excellent program for K-8 and high school! >(Personal note: In learning Tabletop I had some fun using this program to >read and analyze simulated dice rolling data generated by a Logo program.) >Internet Applications. John Olive from the University of Georgia >demonstrated how the Internet can help to promote technology use in the >classroom. >Video vignettes by practitioners in the classroom. Toby Caplin, a teacher >in the Cambridge, Massachusetts schools, shared her experiences via video >of how she explored ideas from geometry using Geometry Inventor (Logal & >Sunburst) with her 6th graders. > >*Anyone out there using Intel's Proshare videoconferencing? We at Stevens >are exploring its possibilities. My ISDN number is 201-216-8079. > >*CLIME Goals for 95-96 >1. Move the CLIME meeting into the general meeting program rather than just >an add-on at the end of the day. > >Progress report: I wrote to Jerry Johnson (program chair for the San Diego >meeting) about this. He suggested that I try for the '97 meeting in >Minnesota (which I will). We will have a CLIME session at the regional >meeting in Baltimore in '96. > >2. Keep the NCTM community aware of the importance of technology as a >catalyst for reform. We will be contacting all the current committees to >see what they are doing to promote more (and better) uses of technology in >the classroom. > >If you wish the hard copy version of this newsletter (which includes Kathy >Verzoni's lesson) please send $2.00 to CLIME headquarters to cover costs. >If you are a current member of CLIME, you will be getting it in the mail >soon. Using cyberspace for mailing "newsletters" has the advantage that >membership is now free. However, I do need to know who is reading this and >"supports" our efforts. So if you wish to continue receiving CLIME >Connections, please respond to this post. Don't forget to let me know: (1) >if you planning to be in San Diego. (2) How can CLIME be of assistance to >you? (3) What kinds of things should we include in our home page? etc..... > >UNTIL NEXT TIME..... > >Ihor Charischak >Council for Logo & Technology in Mathematics Education (CLIME) >& >Stevens Institute of Technology - CIESE Center >Hoboken, NJ 07030 >icharisc@stevens-tech.edu > > > From joer Tue Jan 9 07:10:14 1996 Return-Path: esimonia Received: (from esimonia@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id HAA17774; Tue, 9 Jan 1996 07:10:14 -0500 Date: Tue, 9 Jan 96 7:10:13 EST From: Eric Simonian To: teachers Cc: esimonia Subject: help!! Message-ID: Hi all -- we are digging out here in RI as many of you are doing also - hope you are all doing OK!! HOpe someone can help me -- a questionaire (is that the way you spell it?) was sent out recently to all 350 members of a group -- 15 responses were returned -- my question is: how can I deteremine (if I can) the significance of those responses -- do the "15" actually represent all 350? Can I say that every response represents so many (how many?) of the group? I see that there is more than 1 question here, but hopefully you understand what I want! My first thought is that nothing can be determined from the responses - except for the 15 people that actually responded - but thought that I would throw this out to you all -- Thanks in advance to your thoughts -- and Happy (snowy) New Year!! Eric Simonian Warwick, RI esimonia@dimacs.rutgers.edu From joer Tue Jan 9 09:26:46 1996 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id JAA19482; Tue, 9 Jan 1996 09:26:46 -0500 Date: Tue, 9 Jan 1996 09:26:46 -0500 From: Joe Rosenstein Message-Id: <199601091426.JAA19482@dimacs.rutgers.edu> To: teachers Subject: change >From a GAMES offshoot comes the following puzzle: Here's a problem in everyday banking. Can you change one dollar into exactly 50 coins using at least one penny, nickel, dime, and quarter. So that leads to other interesting questions as well. For example, you can make change for a dollar using four coins (all quarters) or 100 coins (all pennies), but for which numbers N between 4 and 100 can you make change for a dollar using N coins? You can't do it with 5 coins, but what's the next number for which you can't do it? For which numbers is there a unique way of making change into that many coins? (Note: Don't assume that 50 has this property.) For which numbers can you make change using that many coins in the largest possible number of ways? -- _____________ Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 Check out the NJ Math Coalition WWW page on ... http://dimacs.rutgers.edu/nj_math_coalition/ and my personal WWW page on ... http://dimacs.rutgers.edu/nj_math_coalition/joer/joer.html From joer Tue Jan 9 13:20:51 1996 Return-Path: pcarney Received: (from pcarney@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id NAA29960 for teachers; Tue, 9 Jan 1996 13:20:51 -0500 Date: Tue, 9 Jan 96 13:20:50 EST From: Patrick Carney To: teachers Subject: Joe's Problem Message-ID: Hi- I hope most of you are enjoying 2 snow holidays as are we in the mountains. Joe' coin problem came just in time for me to send it to one of my students who I saw was on line (yesterday he did one from the geometry forum re snowplowing and forming pyramids) so these snow days are great for getting math done. I cheated and used a computer which is what I also hope this student does. So I have answers here. If you want to do them by hand, please don't read further. I get the following: 0 ways to do 1,2,3,5,77,81,85,86,89,90,93,94,95,97,98,99 1 way (unique question) to do 4,6,53,57,61,62,65,66,69,70,71,73,74,75,78,79,80,82,83,84,87,88,91,92,96,100 The most ways = 7 for 16,19,20,24,28 and the 50 has 2 ways 1q 2d 2n 45p or 0q 2d 8n 40p If anybody does this by hand, I would be curious as to how long it took. Bro. Pat Carney From joer Tue Jan 9 14:10:51 1996 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id OAA01293; Tue, 9 Jan 1996 14:10:51 -0500 Date: Tue, 9 Jan 1996 14:10:51 -0500 From: Joe Rosenstein Message-Id: <199601091910.OAA01293@dimacs.rutgers.edu> To: teachers Subject: Joe's Problem Lest you be intimidated by Pat's results, let me add that I did the problem by hand, and it took less than thirty minutes -- but I wasn't keeping track of the time! And I got the same results that Pat did (although I didn't write it all out), although I had a different answer for 16 -- Pat, check your program (I suspect I lose on this one!) The interesting mathematical question is "How do you organize the counting so that it takes a short time?" After some of you try this, I'll be happy to share my method, but I suspect that others will come up with other methods. -- _____________ Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 Check out the NJ Math Coalition WWW page on ... http://dimacs.rutgers.edu/nj_math_coalition/ and my personal WWW page on ... http://dimacs.rutgers.edu/nj_math_coalition/joer/joer.html From joer Tue Jan 9 23:39:35 1996 Return-Path: voolich@meol.mass.edu Received: from meol.mass.edu (meol.mass.edu [134.241.27.23]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id XAA18805 for ; Tue, 9 Jan 1996 23:39:31 -0500 Received: by meol.mass.edu; id AA01430; Tue, 9 Jan 1996 23:44:47 -0500 Date: Tue, 9 Jan 1996 23:44:46 -0500 (EST) From: Erica Voolich To: anne@logal.com, bertgar@aol.com, joanc1@aol.com, johanna@columbia.edu, karendm@aol.com, lynn@fantasyfarm.com, melodyweav@aol.com, pattyweiss@aol.com, pwood@idea.uml.edu, ryeats@heinous.music.uiowa.edu, skb@simons-rock.edu, slcox@aol.com, svoolic1@cc.swarthmore.edu, sweiss@bje.org, teachers94@dimacs.rutgers.edu, tmacdon@k12.oit.umass.edu, Whe_Spungin@flo.org, Whe_Winokur@flo.org Subject: Computer smart? (fwd) Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Smile folks Erica Voolich ---------- Forwarded message ---------- Date: Tue, 9 Jan 1996 20:38:34 -0500 From: k1oik@ccsnet.com To: teachers@meol.mass.edu Subject: Computer smart? The last time I sent some hummor out I got five flames from teachers and five messages of thanks, since people tend to write flames easier I assume this is more appreciated than not. In any case the delete key still works here. The exasperated caller said she couldn't get her new computer to turn on. The technician made sure the computer was plugged in and then asked the woman what happened when she pushed the power button. "I've pushed and pushed on this foot pedal and nothing happens," the woman replied. "Foot pedal?" the technician asked. "Yes," the woman said, "this little white foot pedal with the on switch." The "foot pedal," it turned out, was the computer's mouse. A frustrated customer called, and said her brand new laptop would not work. She said she unpacked the unit, plugged it in, opened it up and sat there for 20 minutes waiting for something to happen. When asked what happened when she pressed the power switch, she asked, "What power switch?" So many people has asked where the "Any key" is when "Press Any Key" flashed on the screen, the command may be changed. Then there's that mouse. One customer complained that her mouse was hard to control with the "dust cover" on. The cover turned out to be the plastic bag the mouse was packaged in. Another person held the mouse and pointed it at the screen, all the while clicking madly, with no results. Disk drives are another bugaboo. A person was having trouble reading word processing files from his old diskettes. After troubleshooting for magnets and everything else failed to diagnose the problem , the caller was asked what else was being doing with the diskette. The caller responded: "I put a label on the diskette and rolled it into the typewriter." When asked to send in a copy of a defective floppy disk, in a few days a letter arrived from the caller along with a Xerox copy of the floppy. In another case, the caller was asked to put his troubled floppy back in the drive and "close the door." He said "Hold on," put the phone down and was heard walking over to shut the door to his office. Fax modem s can have their problems too. A woman needed help because she could not send a fax by putting the piece of paper in front of the monitor screen and hitting the "send" key. Sometimes you just can't help. One person said that after cleaning his keyboard it wouldn't work any more and wanted to know what could be done. It seems he filled up his bath tub with soap and water and soaked the keyboard for a day or two. .-. .-. / \ .-. .-. / \ / \ / \ .-. _ .-. / \ / \ /--Burt Fisher K1OIK--------/---\---/-\---/---\-----/-----\k1oik@ccsnet.com\ \ / \ / `-' `-' \ / \ / \ / `-' `-' \ / `-' `-' =============================== http://www.ccsnet.com telnet://ccsnet.com Cape Cod's Internet Address =============================== From joer Fri Jan 12 10:09:02 1996 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id KAA21582 for ; Fri, 12 Jan 1996 10:09:00 -0500 Received: from cis-ts2-slip13.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA06675; Fri, 12 Jan 1996 10:08:43 -0500 Message-Id: <9601121508.AA06675@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Fri, 12 Jan 1996 10:13:22 -0400 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: Re: Read this... Date: Wed, 20 Dec 1995 13:36:13 -0500 X-Sender: malesa@perseus.nl.nuwc.navy.mil X-Mailer: Windows Eudora Version 2.1.1 Mime-Version: 1.0 To: jkowalcz@xor.cis.brown.edu From: Paula Malesa Subject: Read this... Teachers, I thought you might enjoy this one - send to me by a friend/mathematician/volunteer who gives some of her time to schools working with at-risk kids here in RI. I can't say that I understand all of it but can catch the humor. I hope you do also. Janice Kowalczyk >>*************************************************************************** >************* >>A Contribution to the Mathematical Theory of Big Game Hunting >> >>Problem: To Catch a Lion in the Sahara Desert. >> >>1. Mathematical Methods >> >>1.1 The Hilbert (axiomatic) method >> >>We place a locked cage onto a given point in the desert. After that >>we introduce the following logical system: >> Axiom 1: The set of lions in the Sahara is not empty. >> Axiom 2: If there exists a lion in the Sahara, then there exists a >> lion in the cage. >> Procedure: If P is a theorem, and if the following is holds: >> "P implies Q", then Q is a theorem. >> Theorem 1: There exists a lion in the cage. >> >>1.2 The geometrical inversion method >> >>We place a spherical cage in the desert, enter it and lock it from >>inside. We then performe an inversion with respect to the cage. Then >>the lion is inside the cage, and we are outside. >> >>1.3 The projective geometry method >> >>Without loss of generality, we can view the desert as a plane surface. >>We project the surface onto a line and afterwards the line onto an >>interiour point of the cage. Thereby the lion is mapped onto that same >>point. >> >>1.4 The Bolzano-Weierstrass method >> >>Divide the desert by a line running from north to south. The lion is >>then either in the eastern or in the western part. Let's assume it is >>in the eastern part. Divide this part by a line running from east to >>west. The lion is either in the northern or in the southern part. >>Let's assume it is in the northern part. We can continue this process >>arbitrarily and thereby constructing with each step an increasingly >>narrow fence around the selected area. The diameter of the chosen >>partitions converges to zero so that the lion is caged into a fence of >>arbitrarily small diameter. >> >>1.5 The set theoretical method >> >>We observe that the desert is a separable space. It therefore >>contains an enumerable dense set of points which constitutes a >>sequence with the lion as its limit. We silently approach the lion in >>this sequence, carrying the proper equipment with us. >> >>1.6 The Peano method >> >>In the usual way construct a curve containing every point in the >>desert. It has been proven [1] that such a curve can be traversed in >>arbitrarily short time. Now we traverse the curve, carrying a spear, >>in a time less than what it takes the lion to move a distance equal to >>its own length. >> >>1.7 A topological method >> >>We observe that the lion possesses the topological gender of a torus. >>We embed the desert in a four dimensional space. Then it is possible >>to apply a deformation [2] of such a kind that the lion when returning >>to the three dimensional space is all tied up in itself. It is then >>completely helpless. >> >>1.8 The Cauchy method >> >>We examine a lion-valued function f(z). Be \zeta the cage. Consider >>the integral >> >> 1 [ f(z) >> ------- I --------- dz >> 2 \pi i ] z - \zeta >> >> C >> >>where C represents the boundary of the desert. Its value is f(zeta), >>i.e. there is a lion in the cage [3]. >> >>1.9 The Wiener-Tauber method >> >>We obtain a tame lion, L_0, from the class L(-\infinity,\infinity), >>whose fourier transform vanishes nowhere. We put this lion somewhere >>in the desert. L_0 then converges toward our cage. According to the >>general Wiener-Tauner theorem [4] every other lion L will converge >>toward the same cage. (Alternatively we can approximate L arbitrarily >>close by translating L_0 through the desert [5].) >> >>2 Theoretical Physics Methods >> >>2.1 The Dirac method >> >>We assert that wild lions can ipso facto not be observed in the Sahara >>desert. Therefore, if there are any lions at all in the desert, they >>are tame. We leave catching a tame lion as an execise to the reader. >> >>2.2 The Schroedinger method >> >>At every instant there is a non-zero probability of the lion being in >>the cage. Sit and wait. >> >>2.3 The nuclear physics method >> >>Insert a tame lion into the cage and apply a Majorana exchange >>operator [6] on it and a wild lion. >> >>As a variant let us assume that we would like to catch (for argument's >>sake) a male lion. We insert a tame female lion into the cage and >>apply the Heisenberg exchange operator [7], exchanging spins. >> >>2.4 A relativistic method >> >>All over the desert we distribute lion bait containing large amounts >>of the companion star of Sirius. After enough of the bait has been >>eaten we send a beam of light through the desert. This will curl >>around the lion so it gets all confused and can be approached without >>danger. >> >>3 Experimental Physics Methods >> >>3.1 The thermodynamics method >> >>We construct a semi-permeable membrane which lets everything but lions >>pass through. This we drag across the desert. >> >>3.2 The atomic fission method >> >>We irradiate the desert with slow neutrons. The lion becomes >>radioactive and starts to disintegrate. Once the disintegration >>process is progressed far enough the lion will be unable to resist. >> >>3.3 The magneto-optical method >> >>We plant a large, lense shaped field with cat mint (nepeta cataria) >>such that its axis is parallel to the direction of the horizontal >>component of the earth's magnetic field. We put the cage in one of the >>field's foci. Throughout the desert we distribute large amounts of >>magnetized spinach (spinacia oleracea) which has, as everybody knows, >>a high iron content. The spinach is eaten by vegetarian desert >>inhabitants which in turn are eaten by the lions. Afterwards the >>lions are oriented parallel to the earth's magnetic field and the >>resulting lion beam is focussed on the cage by the cat mint lense. >> >>[1] After Hilbert, cf. E. W. Hobson, "The Theory of Functions of a Real >> Variable and the Theory of Fourier's Series" (1927), vol. 1, pp 456-457 >>[2] H. Seifert and W. Threlfall, "Lehrbuch der Topologie" (1934), pp 2-3 >>[3] According to the Picard theorem (W. F. Osgood, Lehrbuch der >> Funktionentheorie, vol 1 (1928), p 178) it is possible to catch every lion >> except for at most one. >>[4] N. Wiener, "The Fourier Integral and Certain of itsl Applications" (1933), >> pp 73-74 >>[5] N. Wiener, ibid, p 89 >>[6] cf e.g. H. A. Bethe and R. F. Bacher, "Reviews of Modern Physics", 8 >> (1936), pp 82-229, esp. pp 106-107 >>[7] ibid >>- -- >> >>4 Contributions from Computer Science. >> >>4.1 The search method >> >>We assume that the lion is most likely to be found in the direction to >>the north of the point where we are standing. Therefore the REAL >>problem we have is that of speed, since we are only using a PC to >>solve the problem. >> >>4.2 The parallel search method. >> >>By using parallelism we will be able to search in the direction to the >>north much faster than earlier. >> >>4.3 The Monte-Carlo method. >> >>We pick a random number indexing the space we search. By excluding >>neighboring points in the search, we can drastically reduce the number >>of points we need to consider. The lion will according to probability >>appear sooner or later. >> >>4.4 The practical approach. >> >>We see a rabbit very close to us. Since it is already dead, it is >>particularly easy to catch. We therefore catch it and call it a lion. >> >>4.5 The common language approach. >> >>If only everyone used ADA/Common Lisp/Prolog, this problem would be >>trivial to solve. >> >>4.6 The standard approach. >> >>We know what a Lion is from ISO 4711/X.123. Since CCITT have specified >>a Lion to be a particular option of a cat we will have to wait for a >>harmonized standard to appear. $20,000,000 have been funded for >>initial investigastions into this standard development. >> >>4.7 Linear search. >> >>Stand in the top left hand corner of the Sahara Desert. Take one step >>east. Repeat until you have found the lion, or you reach the right >>hand edge. If you reach the right hand edge, take one step >>southwards, and proceed towards the left hand edge. When you finally >>reach the lion, put it the cage. If the lion should happen to eat you >>before you manage to get it in the cage, press the reset button, and >>try again. >> >>4.8 The Dijkstra approach: >> >>The way the problem reached me was: catch a wild lion in the Sahara >>Desert. Another way of stating the problem is: >> >> Axiom 1: Sahara elem deserts >> Axiom 2: Lion elem Sahara >> Axiom 3: NOT(Lion elem cage) >> >>We observe the following invariant: >> >> P1: C(L) v not(C(L)) >> >>where C(L) means: the value of "L" is in the cage. >> >>Establishing C initially is trivially accomplished with the statement >> >> ;cage := {} >> >>Note 0: >>This is easily implemented by opening the door to the cage and shaking >>out any lions that happen to be there initially. >>(End of note 0.) >> >>The obvious program structure is then: >> >> ;cage:={} >> ;do NOT (C(L)) -> >> ;"approach lion under invariance of P1" >> ;if P(L) -> >> ;"insert lion in cage" >> [] not P(L) -> >> ;skip >> ;fi >> ;od >> >>where P(L) means: the value of L is within arm's reach. >> >>Note 1: >>Axiom 2 esnures that the loop terminates. >>(End of note 1.) >> >>Exercise 0: >>Refine the step "Approach lion under invariance of P1". >>(End of exercise 0.) >> >>Note 2: >>The program is robust in the sense that it will lead to >>abortion if the value of L is "lioness". >>(End of note 2.) >> >>Remark 0: This may be a new sense of the word "robust" for you. >>(End of remark 0.) >> >>Note 3: >> >>From observation we can see that the above program leads to the >>desired goal. It goes without saying that we therefore do not have to >>run it. >>(End of note 3.) >>(End of approach.) >> >>(If you need any explanations or just don't get it.... let me know....Paula >Malesa) >> >malesa@perseus.nl.nuwc.navy.mil From joer Fri Jan 12 13:12:59 1996 Return-Path: tiberio@tiac.net Received: from zork.tiac.net (zork.tiac.net [199.0.65.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id NAA01049 for ; Fri, 12 Jan 1996 13:12:58 -0500 Received: from [206.105.155.179] (tiberio.tiac.net [206.105.155.179]) by zork.tiac.net (8.6.9/8.6.6.Beta9) with SMTP id NAA01302; Fri, 12 Jan 1996 13:12:55 -0500 Date: Fri, 12 Jan 1996 13:12:55 -0500 Message-Id: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: teachers@dimacs.rutgers.edu From: tiberio@tiac.net (R. S. (Chuck) Tiberio) Subject: Big Game Hunting Cc: tiberio@tiac.net Hey Jan, You left out my two favorite ways to catch a lion. 1. A lion has non-zero mass. It therefore has moments of inertia. Grab it during one of these moments. 2. A lion is a tropical animal and therefore has a tan. Reciprocate it and it will be cot. R. S. (Chuck) Tiberio phone: (617) 446-6290 X230 Mathematics Department email: tiberio@tiac.net Wellesley High School 50 Rice Street Wellesley, MA 02181-6099 From joer Sun Jan 14 23:42:59 1996 Return-Path: voolich@meol.mass.edu Received: from meol.mass.edu (meol.mass.edu [134.241.27.23]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id XAA19666 for ; Sun, 14 Jan 1996 23:42:56 -0500 Received: by meol.mass.edu; id AA10209; Sun, 14 Jan 1996 23:48:20 -0500 Date: Sun, 14 Jan 1996 23:48:19 -0500 (EST) From: Erica Voolich To: anne@logal.com, bertgar@aol.com, joanc1@aol.com, johanna@columbia.edu, karendm@aol.com, lynn@fantasyfarm.com, melodyweav@aol.com, pattyweiss@aol.com, pwood@idea.uml.edu, ryeats@heinous.music.uiowa.edu, skb@simons-rock.edu, slcox@aol.com, struik@euclid.colorado.edu, svoolic1@cc.swarthmore.edu, sweiss@bje.org, teachers94@dimacs.rutgers.edu, tmacdon@k12.oit.umass.edu Subject: Humor with a twist. (fwd) Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII A little bit of levity for those who are shoveling still! Erica Voolich ---------- Forwarded message ---------- Date: Sun, 14 Jan 1996 20:08:10 -0500 From: k1oik@ccsnet.com To: teachers@meol.mass.edu Subject: Humor with a twist. The last message that I sent that was based in humor got me quite a few positive messages (at least 20) and one low class negative one. This one is not as good but it has a few twists. : Deceptively simple tongue-twister: : Red leather, yellow leather : (five times fast) : Really! Try it! : Engineers at MIT had been working for years to build the most : powerful supercomputer the world had ever seen. The hope was : that once it had been built they could ask it any question : and it would have the answer. At last it was finished and : ready to be tested, so they entered their first question: : "Is there a God?" : The computer hummed and whirred for a moment then displayed : its answer to the screen: : "There is now." Spouse Someone who will stand by you through all the trouble you wouldn't have had if you'd stayed single in the first place. WHY IS IT THAT ... Apartments are called 'apart-ments' when they are so close together? Boxing rings are square? Buildings are called 'buildings' even when they are already built? Cargo always goes in ships and shipment always goes by road. How did the guy inventing cottage cheese know it was done? If a tin horn is made of tin, what is a foghorn made of? If jail and prison are synonymous, why aren't jailer and prisoner? If olive oil comes from olives, where does baby oil come from? If pro is the opposite of con, is progress the opposite of Congress? If vegetarians eat vegetables, what do humanitarians eat? It's a penny for your thoughts, yet everyone puts in their two cents worth? People have noses that run and feet that smell? Teflon sticks to the pan? That it's a pair of pants, but only one bra? There are locks on the doors of 24-hour stores? There's an expiration date on sour cream? Two wrongs don't make a right, but three rights make a left? We play at a recital and recite at a play? When an alarm sounds, they say that "the alarm is going off"? When a man talks dirty to a women, it's sexual harassment; but when a woman talks dirty to a man, it's $3.95 a minute? Wise guy and wise man mean entirely different things. Women call it a "permanent"? You first chop a tree down, and then chop it up? You drive on the parkway and park on the driveway? You never see the headline..."Psychic Wins Lottery"? What would you do if you smashed your toe? Call a toe truck. Why did the orange get fired from the Tropicana factory? Because he couldn't concentrate. Why did the muffler go to bed? Because it was exhausted. What are four hundred rabbits hopping backwards? A receding hare line. A rock store was closed by the police, they were taking too much for granite. I used to work for a company that made blankets, but it folded. I then went to work in an orange juice factory, but I got canned. They said I couldn't concentrate. But I think they just wanted to squeeze me out. This one guy said that joke was the pits and that I ought to be beaten to a pulp. But I thought it was appealing. The people of South Carolina are trying to decide on a suitable punishment for Susan Smith who drove her car into a river, left drowning victims inside, and then lied to the entire nation about what she did. In Massachusetts, it will get you a U.S. Senate seat. .-. .-. / \ .-. .-. / \ / \ / \ .-. _ .-. / \ / \ /--Burt Fisher K1OIK--------/---\---/-\---/---\-----/-----\k1oik@ccsnet.com\ \ / \ / `-' `-' \ / \ / \ / `-' `-' \ / `-' `-' =============================== http://www.ccsnet.com telnet://ccsnet.com Cape Cod's Internet Address =============================== From joer Mon Jan 15 18:06:14 1996 Return-Path: franzbla Received: (from franzbla@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id SAA05301; Mon, 15 Jan 1996 18:06:14 -0500 Date: Mon, 15 Jan 1996 18:06:14 -0500 From: Deborah Franzblau Message-Id: <199601152306.SAA05301@dimacs.rutgers.edu> To: teachers Subject: Presidential Award Greetings, I read in the NCTM news that Janet Amenhauser (LP '92) is one of the two New Jersey winners of the Presidential Award for Excellence in Science and Mathematics Teaching. Many congratulations Jan! Jan teaches elementary grades (K-2, I think) at the Perry L. Drew school, and was a lead teacher in the K-8 LP program last summer. She does great things with children's literature and math--for example each class publishes a book. This summer she showed us the memorable "Friday is Pizza Day". --Debbie Franzblau From joer Wed Jan 17 07:53:53 1996 Return-Path: judyann Received: (from judyann@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id HAA03529 for teachers; Wed, 17 Jan 1996 07:53:53 -0500 Date: Wed, 17 Jan 96 7:53:53 EST From: Judy Brown To: teachers Subject: 1996 solutions needed Message-ID: Hi Has anyone else been working on the 1996 problem? The one where you write the numbers 1 through 100 using the digits in the year. I have most of the answers with the help of my students. But, we are missing the following 8 numbers, if you have the solutions please send them. 67 68 92 94 95 97 98 100 Thanks Judy From joer Wed Jan 17 15:19:58 1996 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (3mkFlYgjXw0gCVQDBvKySBu3sYTZSXOg@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id PAA18640 for ; Wed, 17 Jan 1996 15:19:55 -0500 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id PAA04850; Wed, 17 Jan 1996 15:19:52 -0500 Date: Wed, 17 Jan 1996 15:19:52 -0500 (EST) From: Charles Biehl To: dm teachers Subject: FW: Internet virus (fwd) Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII ---------- Forwarded message ---------- Date: Wed, 17 Jan 96 03:58:01 PST From: Linda A. Hall To: cbiehl@udel.edu Subject: FW: Internet virus (fwd) ---------------Original Message--------------- Received this this morning and though you needed to know about it immediately. ----------------------------Original message---------------------------- ---------- Forwarded Message ---------- From: Dianne Downie, 100352,2311 TO: Paul D'Alto, 70214,2673 DATE: 1/1/96 11:45 PM RE: Internet virus The FCC has released a warning concerning a matter of major importance for regular E-mail users. A warped mentality has created an INTERNET virus which makes "Michaelangelo", "Stoned" and the like pale in comparison thereto. Engineered by a user of America On Line and known as "Good Times", the virus is unparalleled in it's destructive capacity. At the very least, it will eat your harddrive for breakfast!! Please forward this message to anyone you interact with via E-mail. The virus is buried in an E-mail message with the "Subject Line" = "Good Times" If you should have the misfortune to receive mail with this heading... do NOT read nor open the file. DELETE it immediately. ----------End of Original Message---------- From joer Thu Jan 18 13:35:32 1996 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (ne+1BfFpWk6spTbYxlkMzpZnVkUFAiPV@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id NAA25150 for ; Thu, 18 Jan 1996 13:35:31 -0500 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id NAA01792; Thu, 18 Jan 1996 13:35:19 -0500 Date: Thu, 18 Jan 1996 13:35:18 -0500 (EST) From: Charles Biehl To: Linda Hall , dm teachers Subject: Re: Fwd: FW: Internet virus (fwd) Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII I received this just a little while ago. If I acted wrongly in haste, I apologize, however I think it better to be proactive than reactive if it really legitimate. Chuck ---------- Forwarded message ---------- Date: Thu, 18 Jan 1996 04:46:38 EST From: Bob Matsuoka Subject: Re: Fwd: FW: Internet virus (fwd) In the future, please check with me before pressing the "panic" button. This "virus" is simply a well-known hoax that has been circulating around the internet for more than a year. --b ---------------------------------------------- Bob Matsuoka Associate Director - Information Services New Laboratory for Teaching and Learning The Dalton School bob@iltnet.columbia.edu (212) 722-5160 x152 From joer Mon Jan 22 15:55:29 1996 Return-Path: depriest Received: (from depriest@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id PAA18725 for teachers; Mon, 22 Jan 1996 15:55:29 -0500 Date: Mon, 22 Jan 96 15:55:28 EST From: DePriest To: teachers Subject: geometry summer Message-ID: About a month or two ago there was a message about a geometry institute this summer at Princeton, with teachers and business people working together. I seemed to have lost the message and information. If anyone has the original message or knows some information, could you forward it to me? THANKS!! -Diane DePriest From joer Mon Jan 22 16:26:34 1996 Return-Path: franzbla Received: (from franzbla@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id QAA19914; Mon, 22 Jan 1996 16:26:34 -0500 Date: Mon, 22 Jan 1996 16:26:34 -0500 From: Deborah Franzblau Message-Id: <199601222126.QAA19914@dimacs.rutgers.edu> To: teachers Subject: DIMACS Institute (geometry at Princeton this summer) Greetings, In response to Diane's query, this is an announcement of our new program at DIMACS that will involve high school teachers and researchers in mathematics and computer science. If you send me your current address (please include email and phone numbers) I will send an application form when it is ready (not quite yet I'm afraid!) Please circulate the announcement to your colleagues. Best wishes, Debbie Franzblau ----------------------------------------------------------------------- The DIMACS Institute NEW PROGRAM FOR HIGH SCHOOL TEACHERS AND RESEARCHERS 3-WEEK SUMMER INSTITUTE, JUNE 23-JULY 13, 1996 - PRINCETON UNIVERSITY Focusing on professional development, and improvement of communication and cooperation among educators and researchers. 1996-97 TOPIC: Geometry, Visualization, and Computing How can a robot plan a route that avoids obstacles? How does the shape of an airplane's wings affect its flight? Where should fire stations be located in a community so that everyone can be reached quickly? Questions like these are studied in the field of Computational Geometry, the focus of the 1996-97 Institute. PARTICIPANTS: Mathematics or computer science teachers or supervisors of grades 9-12, and researchers at all levels. ACTIVITIES: The program will include workshops for researchers, along with two components primarily for teachers: (1) a hands-on computing and internet laboratory, and (2) an activity workshop focusing on discrete mathematics and algorithms. An all-institute program will focus on topics of interest to both researchers and educators. Activities are intended to provide new content and materials which support the NCTM Standards, and are suitable for integration into mathematics courses at many levels, including geometry and algebra, as well as discrete mathematics or computer science. PRIOR KNOWLEDGE OF INSTITUTE TOPICS IS NOT ASSUMED. There will be followup Saturday meetings during the year, and a conference the following summer (dates and location TBA). PROJECTS: Participants will be expected to develop classroom materials based on Institute topics, and to give presentations on these at Institute meetings and professional conferences. Teams of teachers and researchers will be encouraged to collaborate on and use the Internet for such projects. Support will be given to assist participants in obtaining Internet connections at home or school. * * * * * * * * * * * * SUPPORT: Lodging and meals (weekdays, on campus), a travel allowance, and a stipend ($300/week) will be provided. STAFF: Program staff includes faculty from Princeton and other universities and colleges, as well as teachers-in-residence, alumni of the Rutgers/DIMACS Leadership Program in Discrete Mathematics. SPONSOR: The Center for Discrete Mathematics and Theoretical Computer Science (DIMACS), a consortium of Rutgers University, Princeton University, Bellcore, and AT&T Bell Laboratories. Funding is provided by the National Science Foundation (NSF). * * * * * * * * * * * * APPLICATION DEADLINE: March 15, 1996 (Notification by mid-April) Preference will be given to applicants already using the Internet. FOR FURTHER INFORMATION AND APPLICATION: Deborah Franzblau, DI Site Director phone: 908-445-4573 e-mail: franzbla@dimacs.rutgers.edu fax: 908-445-5932 DIMACS, Busch Campus; Rutgers University; Piscataway, NJ 08855-1179 Web address: http://dimacs.rutgers.edu From joer Mon Jan 22 18:25:27 1996 Return-Path: bowdish@meol.mass.edu Received: from meol.mass.edu (meol.mass.edu [134.241.27.23]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id SAA22418 for ; Mon, 22 Jan 1996 18:25:27 -0500 Received: by meol.mass.edu; id AA04630; Mon, 22 Jan 1996 18:31:13 -0500 Date: Mon, 22 Jan 1996 18:31:12 -0500 (EST) From: William Bowdish To: teachers@dimacs.rutgers.edu Subject: airline code Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Dear all, Does anyone have the algorithm for calculating the check digit in the "new" airline ticket code? Regards, Bil From joer Tue Jan 23 09:53:54 1996 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id JAA16227 for ; Tue, 23 Jan 1996 09:53:54 -0500 Received: from cis-ts1-slip11.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA22325; Tue, 23 Jan 1996 09:53:43 -0500 Message-Id: <9601231453.AA22325@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Tue, 23 Jan 1996 09:58:55 -0400 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: Bill Gates: Heaven or Hell (fwd) Here's a good one for those who try to keep up with technology or the promise of it! Janice >> From uriacc.uri.edu!amacmill Tue Jan 16 15:48:03 1996 >> Message-Id: >> X-Sender: amacmill@uriacc.uri.edu (Unverified) >> Mime-Version: 1.0 >> Content-Type: text/plain; charset="us-ascii" >> Date: Tue, 16 Jan 1996 15:47:28 -0500 >> To: holland@washpost.wdc.sri.com, bronmacm@aol.com, nesmt007@llwsbe.wsbe.org, >> jdy119@uriacc.uri.edu >> From: amacmill@uriacc.uri.edu (Alan R. MacMillan) >> Subject: Bill Gates: Heaven or Hell >> >> >>Here is a Bill Gates joke: >> >> >> >>Bill Gates dies in a car accident. He finds himself in purgatory, being >> >>sized up by St. Peter.... >> >> >> >>"Well, Bill, I'm really confused on this call; I'm not sure whether to >> >>send you to Heaven or Hell. After all, you enormously helped society by >> >>putting a computer in almost every home in America, yet you also created >> >>that ghastly Windows '95. I'm going to do something I've never done >> >>before in your case; I'm going to let you decide where you want to go." >> >> >> >>Bill replied, "well, what's the difference between the two?" >> >> >> >>St. Peter said, "I'm willing to let you visit both places briefly, if it >> >>will help your decision." >> >> >> >>"Fine, but where should I go first?" >> >> >> >>"I'll leave that up to you." >> >> >> >>"Okay then," said Bill, "Let's try Hell first." >> >> >> >>So Bill went to Hell. It was a beautiful, clean, sandy beach with clear >> >>waters and lots of bikini-clad women running around, playing in the >> >>water, laughing and frolicking about.The sun was shining; the >> >>temperature perfect. He was very pleased. >> >> >> >>"This is great!" he told St. Peter. "If this is hell, I REALLY want to >> >>see heaven!" >> >> >> >>"Fine," said St. Peter, and off they went. >> >> >> >>Heaven was a place high in the clouds, with angels drifting about, >> >>playing harps and singing. It was nice, but not as enticing as Hell. >> >> >> >>Bill thought for a quick minute, and rendered his decision. "Hmmm. I >> >>think I'd prefer Hell," he told St. Peter. >> >> >> >>"Fine," retorted St. Peter, "as you desire." So Bill Gates went to >> >>Hell. >> >> >> >>Two weeks later, St. Peter decided to check on the late billionaire to >> >>see how he was doing in Hell. When he got there, he found Bill, shackled >> >>to a wall, screaming amongst hot flames in dark caves, being burned and >> >>tortured by demons. >> >> >> >>"How's everything going?" he asked Bill. >> >> >> >>Bill responded, with his voice filled with anguish and disappointment, >> >>"this is awful! This is nothing like the Hell I visited two weeks ago! I >> >>can't believe this is happening! What happened to that other place, with >> >>the beautiful beaches, the scantily-clad women playing in the water?!??? >> >> >> >>"That was a demo," replied St. Peter. >> >> >> >>thenry@quiknet.com >> >>Sacramento >> >> >> >> >> >> >> >>______________________________________________________________________________ >> Alan R. MacMillan | >> RInet Project Manager | Heisenberg was here... >> amacmill@uriacc.uri.edu | or somewhere near here! >> (401) 277-3636 ex.236 | >> >>______________________________________________________________________________ From joer Wed Jan 24 23:44:59 1996 Return-Path: voolich@meol.mass.edu Received: from meol.mass.edu (meol.mass.edu [134.241.27.23]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id XAA23780 for ; Wed, 24 Jan 1996 23:43:40 -0500 Received: by meol.mass.edu; id AA09552; Wed, 24 Jan 1996 23:46:44 -0500 Date: Wed, 24 Jan 1996 23:46:44 -0500 (EST) From: Erica Voolich To: anne@logal.com, bertgar@aol.com, joanc1@aol.com, johanna@columbia.edu, karendm@aol.com, l.aragon@comap.com, lynn@fantasyfarm.com, melodyweav@aol.com, pattyweiss@aol.com, pwood@idea.uml.edu, ryeats@heinous.music.uiowa.edu, skb@simons-rock.edu, slcox@aol.com, svoolic1@cc.swarthmore.edu, sweiss@bje.org, teachers94@dimacs.rutgers.edu, tmacdon@k12.oit.umass.edu, vkatz@udcvax.bitnet, Whe_Spungin@flo.org, Whe_Winokur@flo.org Subject: PBS petition (fwd) Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII ---------- Forwarded message ---------- Date: Wed, 24 Jan 1996 16:00:52 -0500 From: Deborah Gesing To: teachers@meol.mass.edu Subject: PBS petition Subj: Help save Sesame Street!!!!! > > PBS, NPR (National Public Radio), and the arts are facing major >cutbacks in funding. In spite of the efforts of each station to reduce >spending costs and streamline their services, the government officials >believe that the funding currently going to these programs is too large a >portion of funding for something which is seen as "unworthwhile". >Currently, taxes from the general public for PBS equal $1.12 per person per >year, and the National Endowment for the Arts equals $.64 a year in total. > >A January 1995 CNN/USA Today/Gallup poll indicated that 76% of Americans >wish to keep funding for PBS, third only to national defense and law >enforcement as the most valuable programs for federal funding. > >Each year, the Senate and House Appropriations commitees each have 13 >subcommitees with jurisdiction over many programs and agencies. Each >subcommitee passes its own appropriation bill. The goal each year is to >have each bill signed by the beginning of the fiscal year, which is October >1. In the instance of the Corporation of Public Broadcasting, the bill >determines the funding for the next three years. When this issue comes up >in 1996, the funding will be determined for fiscal years 1996-1998. > >The only way that our representatives can be aware of the base of support >for PBS and funding for these types of programs is by making our voices >heard. Please add your name to this list if you believe in what we stand >for. This list will be forwarded to the President of the United States, >the Vice President of the United States, and Representative Newt Gingrich, >who is the instigator of the action to cut funding to these worthwhile >programs. > >If you happen to be the 50th, 100th, 150th, etc. signer of this petition, >please forward it to >kubi7975@blue.univnorthco.edu. This way we can keep track of the lists and >organize them. Forward this to everyone you know, and help us to keep >these programs alive. > >Thank you. > >---------------------------------------------------------------------------- >- >1. Elizabeth Weinert, student, University of Northern Colorado, Greeley, >Colorado. >2. Nikki Marchman, student, University of Northern Colorado, Greeley, >Colorado. >3. Laura King, Salt Lake City, Utah >4. Mary Lambert, San Francisco, CA >5. Sam Tucker, Seattle, WA >6. Steve Mack, Seattle, WA >7. Stacy Shelley, Sub Pop Records, Seattle, WA. >8. Amy Saaed, Seattle, WA >9. Jill Hudgins, Atlanta, GA >10. Alex Goolsby, student, Colgate University, Hamilton, NY >11. Aisha K. McGriff, North Carolina School of Science and Math >12. Amy Brushwood, North Carolina School of Science and Math >13. Mason Blackwell, student and generally great guy, The College of >William and Mary >14. Melinda Murphy, student, St. Mary's College of Maryland >15. Amy Raphael, student, University of Pennsylvania >16. Nancy Adleman, student, Stanford University >17. Paul Bodnar, student, Stanford University >18. Kunal Bajaj, student, University of Pennsylvania >19. Sharon Seltzer, student, University of Pennsylvania >20. Sugirtha Vivekananthan, student, University of Pennsylvania >21. Ann Wang, student, University of Pennsylvania >22. Seth Resler, student, Brown University >23. Leslie Ching, student, Brown University >24. Sylvia Barbut, student, Carnegie Mellon University >25. Douglas Bramel, student, Carnegie Mellon University >26. Christopher Gaunt, student, Georgetown University >27. Sarah Battersby, student, University of Washington >28. Candice Mack, student, Univeristy of California at Riverside >29. Carmen Cheung, student, Harvard University >30. Irene Chen, student, Harvard University >31. Anna C. Lewis, student, Harvard University >32. Laura Brown, student, University of California at Los Angeles >33. Kelsey Bostwick, student, Dartmouth College >34. Farrah Russell, student, Dartmouth College >35. Justin Carter, student, Dartmouth College >36. Aisha Tyus , student, Dartmouth College >37. Deborah A. Green, Student, Dartmouth College >38. Robin Flechtner, Student, Dartmouth College >39. Christine Kim, Student, Dartmouth College >40. Tom Jawetz, Student, Dartmouth College >41. Todd J. Griset, student, Dartmouth >42. Julie E. Baker, Student, Dartmouth >43. Andrew G. Butterworth, Student, Dartmouth College >44. Huijung Kil, Student, Dartmouth College >45. Benjamin Bawden, student, Dartmouth College >46. Kyle Marchesseault, student, Dartmouth College >47. Tom Reynolds, student, Dartmouth College >48. Christian M. Felix, student, Dartmouth >49. David M. Altman, student Dartmouth College >50. Libby Reder, student, Dartmouth College >51. Alli Brugg, student, Dartmouth College >52. Derek Shendell, student, Dartmouth College >53. Robert S. Huddleston, student, Dartmouth College >54. Michelle Brattson, student, Dartmouth College >55. Shawn Snipes, student, Dartmouth College >56. Malia Brink, student, Dartmouth College >57. Randall S. Poulin, student, Dartmouth College >58. Pieter Ott, student, Dartmouth College >59. Matthew D. Silvia, student, Dartmouth College, Hanover, NH. >60. Joshua A. McGuire, student, Dartmouth College, Hanover, NH >61. Amitabh Chibber, student, Dartmouth College >62. Jon Seaton, student, Univeristy of Colorado at Boulder >63. Elizabeth Merrill, student, University of Utah >64. Deborah S. Hamby, student, University of Utah >65. Erin E. Driscoll, student, University of Utah >66. Abigail J. Sanford, student, The George Washington University >67. Kerry Barnhart, student, The George Washington University >68. Jamie M. Ellam, student, The George Washington University >69. Nicole Humphreys, student, The George Washington University >70. Ana Raquel Rojas, student, University of California, Irvine >71. Terrence T. Chen, student, University of California, Irvine >72. Tony C. Tao, student, Mount Eden High School, Hayward CA. >73. Julie Stubben, student, University of California, Berkeley 74. Deborah Gesing, teacher, North Andover, Massachusetts From joer Thu Jan 25 15:57:19 1996 Return-Path: gasman Received: (from gasman@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id PAA20864 for teachers@dimacs.rutgers.edu; Thu, 25 Jan 1996 15:57:19 -0500 Date: Thu, 25 Jan 96 15:57:19 EST From: Frances Gasman To: teachers@dimacs.rutgers.edu Subject: Grading Program Message-ID: Hi all Does anyone out there know of a good grading program - IBM based? We are looking for something that works somewhat like ClassMaster on the Mac.I would appreciate any info you can give me. Thanks in advance. Your e-mail friend, Fran Gasman From joer Fri Jan 26 12:19:38 1996 Return-Path: joer Received: (from joer@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id MAA23598; Fri, 26 Jan 1996 12:19:38 -0500 Date: Fri, 26 Jan 1996 12:19:38 -0500 From: Joe Rosenstein Message-Id: <199601261719.MAA23598@dimacs.rutgers.edu> To: teachers Subject: tchuka ruma solitaire The current issue of COMAP's "The UMAP Journal" contains an article about an interesting solitaire game -- two-person versions of similar games are on the market -- called "Tchuka Ruma". The instructions are below -- they sound complicated, but if you try doing it, you will find that they are quite simple. As with other solitaire games, the main question is "Can you win?" You might try giving the game to your kids, possibly having them work in groups, even though it's solitaire, and reporting back to me what happens. I'd be interested in knowing how kids at different age levels respond to this kind of puzzle. If there is interest, I'll report on this (and on the puzzle) at the March follow-up sessions. Here's what the article says: Tchuka Ruma is an East Indian game which can be played with the most primitive equipment, such as a numer of holes and some pebbles. It may be mathematically analyzed, although its theory has not yet been fully explored. You have a board with five holes in a row. There are two pebbles (or pieces) in each of the first four holes, while the last, called Ruma, is empty: I II III IV V 2 2 2 2 0 The object of the game is to put all the pieces in the Ruma hole in the manner prescribed. The game is begun by taking two pieces from any one hole and placing them, singly, into the next two holes to the right. If you still hold a piece -- or, in later moves, more than one -- in your hand after you have dropped one in the last hole, the Ruma, you put the next piece in the first hole, at the far left, and from there proceed in your distribution to the right, as usual. If the last piece is dropped in the Ruma you may select any hole for the next distribution. Otherwise you are supposed to empty the hole into which you dropped the last piece, provided it already contains one or more pieces. You may not empty the Ruma. If the last piece out of a hole happens to go into an empty hole, the game is lost. The game is won, on the other hand, when all 8 pieces are in the Ruma. (from Joseph Degrazia, "Math is Fun" 1948, reprinted as "Math Tricks, Brain Twisters, and Puzzles, Bell Pub. Co. 1981) The general question is -- suppose you play the game with n+1 holes (including the Ruma) and p pebbles in each of the first n holes, can you win the solitaire games with the above rules? The UMAP article discusses this question. -- _____________ Joseph G. Rosenstein -- phone 908/445-4065 -- fax 908/445-3477 Check out the NJ Math Coalition WWW page on ... http://dimacs.rutgers.edu/nj_math_coalition/ and my personal WWW page on ... http://dimacs.rutgers.edu/nj_math_coalition/joer/joer.html From joer Mon Jan 29 16:17:20 1996 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (pnyJ8X96je+4FMTGlVeHaHgrJaVmAW6r@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id QAA17567 for ; Mon, 29 Jan 1996 16:17:20 -0500 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id QAA02782; Mon, 29 Jan 1996 16:17:05 -0500 Date: Mon, 29 Jan 1996 16:17:05 -0500 (EST) From: Charles Biehl To: dm teachers cc: Terry Perciante , Evan Maletsky Subject: Fractals in our cities!!!!!!! Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII An article from "Science News" Vol.149, 1/6/96... "The Shapes of Cities: Mapping Out Fractal Models of Urban Growth" discusses briefly the possibility of using fractal models in the analysis of the growth of cities and other urban areas, eg. "urban sprawl." It's written by Ivars Peterson of "Mathematical Tourist" and "Islands of Truth" fame. The article talks about "correlated" percolation models, similar to the work we did in the high school group with cellular automata and "oriented" percolation models. Using simple algorithms, geometric models have been made that pretty closely resemble satellite photos of cities, and sure enough, their perimeters are FRACTAL!!! (I wonder where we could go from here to draw conclusions about the growth of cities, their populations sizes, their population densities, their number of years in existence, etc., as a function of the fractal complexity of the perimeter.) So far the only conclusion is that there seems to be some "law" at work in the growth of cities (they cite Berlin and London), and this growth can be modeled with algorithms similar to the ones we explored. This is more of simply an informative piece regarding recent research, but I'd be happy to work with anyone who wants to try to make some kind of lesson out of this potential application of fractals and mathematical modeling. There... I've posted something constructive, so let's see some chatter out there, waddya say???? Chuck :{) From joer Mon Jan 29 20:04:51 1996 Return-Path: bowdish@meol.mass.edu Received: from meol.mass.edu (meol.mass.edu [134.241.27.23]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id UAA21975 for ; Mon, 29 Jan 1996 20:04:50 -0500 Received: by meol.mass.edu; id AA20722; Mon, 29 Jan 1996 20:10:17 -0500 Date: Mon, 29 Jan 1996 20:10:16 -0500 (EST) From: William Bowdish To: Charles Biehl Cc: dm teachers , Terry Perciante , Evan Maletsky Subject: Re: Fractals in our cities!!!!!!! In-Reply-To: Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Chuck, I made a color copy of this article for my files. Would be willing to bring it to the March follow up if there is interest. Bil On Mon, 29 Jan 1996, Charles Biehl wrote: > An article from "Science News" Vol.149, 1/6/96... > > "The Shapes of Cities: Mapping Out Fractal Models of Urban Growth" > discusses briefly the possibility of using fractal models in the analysis > of the growth of cities and other urban areas, eg. "urban sprawl." It's > written by Ivars Peterson of "Mathematical Tourist" and "Islands of > Truth" fame. > > The article talks about "correlated" percolation models, similar > to the work we did in the high school group with cellular automata and > "oriented" percolation models. Using simple algorithms, geometric models > have been made that pretty closely resemble satellite photos of cities, > and sure enough, their perimeters are FRACTAL!!! (I wonder where we could > go from here to draw conclusions about the growth of cities, their > populations sizes, their population densities, their number of years in > existence, etc., as a function of the fractal complexity of the perimeter.) > > So far the only conclusion is that there seems to be some "law" > at work in the growth of cities (they cite Berlin and London), and this > growth can be modeled with algorithms similar to the ones we explored. > > This is more of simply an informative piece regarding recent > research, but I'd be happy to work with anyone who wants to try to make > some kind of lesson out of this potential application of fractals and > mathematical modeling. > > There... I've posted something constructive, so let's see some > chatter out there, waddya say???? > > Chuck :{) > From joer Tue Jan 30 11:29:07 1996 Return-Path: jnesbit@mka.pvt.k12.nj.us Received: from uu7.psi.com (uu7.psi.com [38.8.39.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id LAA14476 for ; Tue, 30 Jan 1996 11:28:58 -0500 Received: from mka-gate.mka.pvt.k12.nj.us by uu7.psi.com (5.65b/4.0.940727-PSI/PSINet) via SMTP; id AA09145 for teachers@dimacs.rutgers.edu; Tue, 30 Jan 96 11:27:42 -0500 Received: from mka-proxy.mka.pvt.k12.nj.us (ccmail-gate) by mka.pvt.k12.nj.us (5.x/SMI-SVR4) id AA08355; Tue, 30 Jan 1996 11:25:20 -0500 Received: from cc:Mail by mka-proxy.mka.pvt.k12.nj.us id AA823029895; Tue, 30 Jan 96 09:38:26 est Date: Tue, 30 Jan 96 09:38:26 est From: "jnesbit" Message-Id: <9600308230.AA823029895@mka-proxy.mka.pvt.k12.nj.us> To: vuab@aol.com, doc60@aol.com, julieh5655@aol.com, teachers@dimacs.rutgers.edu, lacelass@aol.com, j-eurell@uiuc.edu Subject: IBM Humour For all the Dr. Seuss fans out there. I thought you might enjoy this. _______________________________________________________________________________ Subject: IBM Humour From: JOrent Date: 1/30/96 6:38 AM *** Resending note of 01/26/96 18:08 To get the beginning, you have to remember that the Green Eggs and Ham book starts off with "Sam-I-Am" walking past holding up a sign with his name on... If you remember Dr. Seuss' "Green Eggs And Ham," here's how Dr. Seuss might describe Lou G. trying to sell OS/2 Warp to a non-OS/2 user. :=! Lou Gerstner :=! Chairman-Lou :-{ That Chairman-Lou! That Chairman-Lou! I do not like that That Chairman-Lou! :=! Do you like Warp OS/2? :-{ I do not like it, Chairman-Lou. I do not like Warp OS/2. :=! Would you install it here or there? :-{ I won't install it here or there. I won't install it anywhere. I do not like Warp OS/2. I do not like it, Chairman-Lou. :=! Would you install it in your house? Would you install it with your mouse? :-{ I won't install it in my house. I won't install it with my mouse. I won't install it here or there. I won't install it anywhere. I do not like Warp OS/2. I do not like it, Chairman-Lou. :=! Would you install it from diskette? Would you install from internet? :-{ No internet. Not from diskette. Not in my house. Not with my mouse. I won't install it here or there. I won't install it anywhere. I do not like Warp OS/2. I do not like it, Chairman-Lou. :=! Would you? Could you? On Intel? Diskettes! Diskettes! One through twelve. :-{ I would not, could not, on Intel. :=! You may like it. You will see. We'll install it, for a fee! :-{ I won't install it for a fee. Not on Intel! You let me be. :-{ I won't install from internet. I won't install if from diskette. I won't install it in my house. I won't install it with my mouse. I won't install it here or there. I won't install it anywhere. I do not like Warp OS/2. I do not like it, Chairman-Lou. :=! A Risc! A Risc! A Risc! A Risc! Could you, would you, on a Risc? :-{ Not on a Risc! Not for a fee! Not on Intel! Lou! Let me be! :-{ I would not, could not from the net. I could not, would not, from diskette. I will not use it in my house. I will not use it with my mouse. I will not use it here or there. I will not use it anywhere. I do not want Warp OS/2. I do not want it, Chairman-Lou. :=! Say! With Novell? Here, with Novell! Would you, could you, with Novell? :-{ I would not, could not, with Novell. :=! Would you, could you, from optical disk? :-{ I would not, could not, from optical disk. Not with Novell. Not on a Risc. Not on Intel. Not for a fee. I do not like it, Lou, you see. Not in my house. Not from the net. Not with my mouse. Not from diskette. I will not use it here or there. I will not use it anywhere! :=! You do not like Warp OS/2 ??? :-{ I do not like it Chairman-Lou. :=! Could you, would you, with Lotus Notes? :-{ I would not, could not, with Lotus Notes! :=! Would you, could you, with Dow Jones quotes? :-{ I could not, would not, with Dow Jones quotes. I will not, will not, with Lotus Notes. I will not install from optical disk. I will not install it on a Risc. Not with Novell! Not for a fee! Not on Intel! You let me be! I don't want Warp from internet. I do not want it, from diskette. I will not use it in my house. I do not want it near my mouse. I do not want it here or there. I do not want it anywhere. :-{ I do not like Warp OS/2! :-{ I do not like it, Chairman-Lou. := You do not want Warp. So you say. Try Warp! Try Warp! And you may. Try Warp and you may, I say. :-{ Lou! If you will let me be, I will try Warp. You will see. :-{ Hhhhmmmmmmmm. :-} Say! I like Warp OS/2! I do! I like Warp, Chairman-Lou! And I would use Warp for Dow Jones quotes. And I would use it with Lotus Notes . . . :-} I'll install from optical disk. And I will use it on my Risc. And on Intel. And for a fee. Warp can multi-task you see. :-} So I'll install from internet. And I'll install Warp from diskette. And I will use Warp in my house. And I will use Warp with my mouse. And I will use Warp here and there. Say! I will use Warp ANYWHERE! :-} I do so like Warp OS/2! Thank You! Thank You! Chairman-Lou := Tis so sweet to cheat the fates. Another convert from Bill Gates! From joer Tue Jan 30 13:53:58 1996 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (cEnk08rTsaG0jCwbbyznMCEgt9+TSPPM@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id NAA22589; Tue, 30 Jan 1996 13:53:57 -0500 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id NAA03884; Tue, 30 Jan 1996 13:53:56 -0500 Date: Tue, 30 Jan 1996 13:53:55 -0500 (EST) From: Charles Biehl To: Judy Brown cc: dm teachers Subject: Re: Fractals in our cities!!!!!!! In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII My most humble apologies!!! This piece is the cover story and appears on pages 8 and 9, short and sweet! On Mon, 29 Jan 1996, Judy Brown wrote: > > Hi Chuck, > > I want to read this article, sounds interesting. I don't think that we get > Science News in my school library but I can get a copy faxed through inter- > library loan, BUT I need the page numbers to make the request. Can you send > me the numbers? > > Thanks > Judy > From joer Tue Jan 30 20:01:28 1996 Return-Path: jbrown@epix.net Received: from epix.net (grape.epix.net [199.224.64.22]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id UAA01440 for ; Tue, 30 Jan 1996 20:01:27 -0500 Received: from bngrppp47.epix.net (bngrppp47.epix.net [199.224.77.47]) by epix.net (8.7.1/8.7) with SMTP id TAA23677 for ; Tue, 30 Jan 1996 19:59:58 -0500 (EST) Date: Tue, 30 Jan 1996 19:59:58 -0500 (EST) Message-Id: <199601310059.TAA23677@epix.net> From: jbrown@epix.net (J Brown) To: teachers@dimacs.rutgers.edu Subject: 100th Day of School Hi I found the following message posted to a teachers newsgroup. I thought you might like to help this class achieve the 100 message total they have set. If you haven't been in an elementry school lately, let me assure you that these 100 day activities are a very BIG deal in the primary grades. Please take a few minutes to send a message to annelt@aol.com (AnneLT). Judy > Path: news.epix.net!uunet!in2.uu.net!newsfeed.internetmci.com!howland.reston.ans.net!news-e1a.megaweb.com!newstf01.news.aol.com!newsbf02.news.aol.com!not-for-mail > From: annelt@aol.com (AnneLT) > Newsgroups: k12.chat.teacher > Subject: 100th Day of School > Date: 25 Jan 1996 01:20:40 -0500 > Organization: America Online, Inc. (1-800-827-6364) > Lines: 11 > Sender: root@newsbf02.news.aol.com > Message-ID: <4e77fo$qkp@newsbf02.news.aol.com> > Reply-To: annelt@aol.com (AnneLT) > NNTP-Posting-Host: newsbf02.mail.aol.com > > Our second grade class in Michigan will be celebrating our 100th day of > school on February 7th. We would love to receive 100 responses to this > message from all over the world. We'll keep a running tally of messages > and mark locations on our U.S. and world maps. > > For those of you not familiar with elementary school, celebrating the > 100th day has become a part of our math programs. It's a nice midwinter > pick-me-up-day on which integrate all of our learning around the number > 100. > > Thanks!! From joer Wed Jan 31 11:56:41 1996 Return-Path: jnesbit@mka.pvt.k12.nj.us Received: from uu7.psi.com (uu7.psi.com [38.8.39.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id LAA24515 for ; Wed, 31 Jan 1996 11:56:40 -0500 Received: from mka-gate.mka.pvt.k12.nj.us by uu7.psi.com (5.65b/4.0.940727-PSI/PSINet) via SMTP; id AA04210 for teachers@dimacs.rutgers.edu; Wed, 31 Jan 96 11:56:25 -0500 Received: from mka-proxy.mka.pvt.k12.nj.us (ccmail-gate) by mka.pvt.k12.nj.us (5.x/SMI-SVR4) id AA09246; Wed, 31 Jan 1996 11:54:20 -0500 Received: from cc:Mail by mka-proxy.mka.pvt.k12.nj.us id AA823118038; Wed, 31 Jan 96 10:05:52 est Date: Wed, 31 Jan 96 10:05:52 est From: "jnesbit" Message-Id: <9600318231.AA823118038@mka-proxy.mka.pvt.k12.nj.us> To: teachers@dimacs.rutgers.edu Subject: Another Change Problem Joe's change problem reminded me of a problem that was posed by a colleague in the English department this fall. (I didn't have e:mail then, so I couldn't share it.) Keith doesn't mind carrying bills, but he doesn't like to carry change, either to the store or home. What is the optimal number of coins for him to carry so that he can pay for an item and receive the minimum amount of change to carry home? If he carries only bills then he gets change to carry home, maybe lots of it, so that's not good. But he doesn't want to carry too much change either. He also won't carry fifty cent pieces. One of my solutions was rejected because it included them. This is a real problem from a real person. I would love to hear what solutions you or your students come up with. From joer Mon Feb 5 23:36:46 1996 Return-Path: PaulaW._Wilson@bbs.edc.org Received: from tristram.edc.org (tristram.edc.org [155.38.10.11]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id XAA09433 for ; Mon, 5 Feb 1996 23:36:45 -0500 Received: from bbs.edc.org (bbs.edc.org [155.38.10.8]) by tristram.edc.org (8.6.12/8.6.12) with SMTP id XAA02015 for ; Mon, 5 Feb 1996 23:34:19 -0500 Date: Tue, 6 Feb 96 00:01:17 -0400 From: PaulaW._Wilson@bbs.edc.org (PaulaW. Wilson) Organization: Education Development Center Subject: new address To: teachers@dimacs.rutgers.edu Message-ID: <746202.ensmtp@bbs.edc.org> Priority: normal X-Mailer: ExpressNet/SMTP v1.1.5 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit I now have a new address. This is because there are two Paula Wilsons on my network. The new address is: PaulaW_Wilson@bbs.edc.org P.S. San Diego teachers are on strike. -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- FirstClass BBS Education Development Center, Inc. Newton, Massachusetts The views expressed here are those of the individual. -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- From joer Tue Feb 6 22:02:29 1996 Return-Path: JOEYC@CUNYVM.CUNY.EDU Received: from CUNYVM.CUNY.EDU (cunyvm.cuny.edu [128.228.1.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id WAA21674 for ; Tue, 6 Feb 1996 22:02:27 -0500 Message-Id: <199602070302.WAA21674@dimacs.rutgers.edu> Received: from CUNYVM.CUNY.EDU by CUNYVM.CUNY.EDU (IBM VM SMTP V2R3) with BSMTP id 9855; Tue, 06 Feb 96 22:02:18 EST Received: from CUNYVM.CUNY.EDU (NJE origin JOEYC@CUNYVM) by CUNYVM.CUNY.EDU (LMail V1.2a/1.8a) with RFC822 id 9113; Tue, 6 Feb 1996 22:02:19 -0500 Date: Tue, 06 Feb 96 21:59:41 EST From: joe malkevitch Subject: sketchpad question To: discretion lovers Dear Friends, I recently obtained a copy of the Geometer's Sketchpad. Is there an easy was of doing the following: suppose one has two segments that do not intersect. How can one extend one of the segments and label the extended line segment where it meets the second segment of the extension of the second line segment? I must be missing something obvious. Regards, Joe From joer Thu Feb 8 14:14:27 1996 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id OAA29930 for ; Thu, 8 Feb 1996 14:14:26 -0500 Received: from cis-ts3-slip7.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA02216; Thu, 8 Feb 1996 14:14:19 -0500 Message-Id: <9602081914.AA02216@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Thu, 8 Feb 1996 14:20:26 -0400 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: follow-up resources Cc: jkowalcz@xor.cis.brown.edu I sent the following message out just before the Holidays - bad timing I know. I did not get the blanks filled in as I had hoped so I am counting on a better response at this time. If you know anything about the following resources please let us know. This resource directory will only be useful with your (collective) imput. The following are a list of incomplete resources shared at the last follow-up. I am trying to put together a more detailed resource directory and would appreciate any help you can give if you have used any of the resources listed. I would especially like comments (that is a few sentences) from those who have used this resource on how you found this resource useful in your teaching of dm as well as a list of the discrete math topics that you may have found useful in this book. Regards, Janice ***** Please help fill this in more. Thank you in advance for your helpfulness! Type of Resource: Resource book Grade levels: Topic/s addresses: paths, counting shapes Title: The Other Side of Reading Author/s: Publisher: Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: ***** For this resource I would particularly like to know where I can get a catalog or Phone number. This is anew publisher to me. Please help fill this in more. Type of Resource: Resource Book Grade levels: Topic/s addresses: Title: The Multiplication Table Coloring Book Author/s:Hilary McElderry Publisher: Tanquin Publication Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: ***** Please help fill this in more. Type of Resource: Software CD-ROM for the Mac Grade levels:2 ? Topic/s addresses: Title: Zurk's Rain Forest Author/s: Publisher: Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: ***** Please help fill this in more. Type of Resource:Resource book Grade levels: Topic/s addresses: Title: The Mathematics Coloring Book Author/s: Publisher: Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: ***** Please help fill this in more. Type of Resource:Resource Book Grade levels: Topic/s addresses: Title: Problems Kids Enjoy Solving Author/s: Publisher: Dale Seymour Publisher address: Publisher phone #: Fax: E-mail: ISBN: Cost: Comments: ***** From joer Thu Feb 8 21:29:19 1996 Return-Path: Felix4446@aol.com Received: from mail02.mail.aol.com (mail02.mail.aol.com [152.163.172.66]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id VAA15038 for ; Thu, 8 Feb 1996 21:29:18 -0500 From: Felix4446@aol.com Received: by mail02.mail.aol.com (8.6.12/8.6.12) id VAA15196 for teachers@dimacs.rutgers.edu; Thu, 8 Feb 1996 21:28:42 -0500 Date: Thu, 8 Feb 1996 21:28:42 -0500 Message-ID: <960208212841_139565006@mail02.mail.aol.com> To: teachers@dimacs.rutgers.edu Subject: Sierpinski who? Dear Colleagues, My homeroom of fith graders and I are entering a stage 3 Sierpinski tetrahedron in our school's scinece fair. My 6th grade homeroom of last year tried building one out of paper envelopes, but it couldn't take the weight and collapsed somewhat. So my new group and I used straws, yarn, and some tissue paper instead. We're really proud of it. We're doing it "just for fun." The whole thing has been growing little by little. It's like our mascot now, kind of a PETtrahedron! Kids were working on the structure by choice, even at lunchtimes. I can't find Mr. Sierpinski in any of our library's encyclopedia volumes. Does anyone out there have more info on who he is? Place/date of birth? Other accomplishments, etc? Know of a source where I can find out? I need this by Feb. 14th at the latest. Thanks a heap. Barbara Burke, LPDM class of '93. From joer Thu Feb 8 22:37:02 1996 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id WAA16233 for ; Thu, 8 Feb 1996 22:37:01 -0500 Received: from cis-ts3-slip3.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA02725; Thu, 8 Feb 1996 22:36:56 -0500 Message-Id: <9602090336.AA02725@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Thu, 8 Feb 1996 22:43:02 -0400 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: LOGO-L> Re: Paperfolding Teachers, I found this one on the Logo list serv(paper folding and Logo - hum - that sound like discrete) and thought of the other Logo enthusiasts that I have met at Rutgers. Hope you enjoy it. Janice >From: jstclair@omsd.cerf.fred.org >X-Path: cerf!bonita!omsd!jstclair Thu, 8 Feb 96 00:51 >X-Fmailer: GSN Smail2 Version 2.6 31Dec94; GSN Mailer Version 2.6 31Dec94 >Date: Wed, 7 Feb 96 05:31 pdt >To: logo-l@gsn.org >Subject: LOGO-L> Re: Paperfolding >Sender: owner-logo-l@gsn.org >Precedence: bulk >Reply-To: jstclair@omsd.cerf.fred.org > >--Message below re-posted by >Date - 05 Feb 1996 15:34:56 -0800 >>From - rec@elf115.elf.org (Roger E. Critchlow Jr.) >To - jstclair@omsd >Subject - Re: Paperfolding >Usenet: comp.lang.logo >------------------ >Post Usenet mail to comp-lang-logo@ucbvax.berkeley.edu >------------------ > >In article <4f50sd$clb@spider.rmplc.co.uk> citylond@mail.rmplc.co.uk >(citylond) writes: > > Paper folding or the the Dragon Curve > Abelson & diSessa Turtle Geometry MIT Press 1986, page 93, give a turtle > geometry procedure for generating this family of curves. The family of >curves > produced is not consistent in that on the screen, the two fold shape does >not > extend the one fold shape curve. > >That's only true if you use the rdragon procedure to draw the >dragon, because the first part of each rdragon is an ldragon. > >If you use the ldragon procedure, then the dragon of level n+1 >draws a dragon of level n and then extends it. > >In ucblogo: > >to ldragon :size :level > if :level = 0 [forward :size stop] > ldragon :size :level - 1 > left 90 > rdragon :size :level - 1 >end > >to rdragon :size :level > if :level = 0 [forward :size stop] > ldragon :size :level - 1 > right 90 > rdragon :size :level - 1 >end > >to dragon :size :level > ldragon :size :level >end > >-- rec -- > > > > > > >--------------------------------------------------------------- >Please post messages to the Logo forum to logo-l@gsn.org. Mail >questions about the list administration to logofdn@gsn.org. To >unsubscribe send unsubscribe logo-l to majordomo@gsn.org. > > From joer Thu Feb 8 22:54:42 1996 Return-Path: JOEYC@CUNYVM.CUNY.EDU Received: from CUNYVM.CUNY.EDU (cunyvm.cuny.edu [128.228.1.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id WAA16464 for ; Thu, 8 Feb 1996 22:54:41 -0500 Message-Id: <199602090354.WAA16464@dimacs.rutgers.edu> Received: from CUNYVM.CUNY.EDU by CUNYVM.CUNY.EDU (IBM VM SMTP V2R3) with BSMTP id 6431; Thu, 08 Feb 96 22:54:14 EST Received: from CUNYVM.CUNY.EDU (NJE origin JOEYC@CUNYVM) by CUNYVM.CUNY.EDU (LMail V1.2a/1.8a) with RFC822 id 7843; Thu, 8 Feb 1996 22:54:14 -0500 Date: Thu, 08 Feb 96 22:43:42 EST From: joe malkevitch Subject: Re: Sierpinski who? To: Felix4446@aol.com, discretion lovers In-Reply-To: Your message of Thu, 8 Feb 1996 21:28:42 -0500 On Thu, 8 Feb 1996 21:28:42 -0500 you said: >Dear Colleagues, My homeroom of fith graders and I are entering a stage 3 >Sierpinski tetrahedron in our school's scinece fair. My 6th grade homeroom >of last year tried building one out of paper envelopes, but it couldn't take >the weight and collapsed somewhat. So my new group and I used straws, yarn, >and some tissue paper instead. We're really proud of it. We're doing it >"just for fun." The whole thing has been growing little by little. It's >like our mascot now, kind of a PETtrahedron! Kids were working on the >structure by choice, even at lunchtimes. I can't find Mr. Sierpinski in any >of our library's encyclopedia volumes. Does anyone out there have more info >on who he is? Place/date of birth? Other accomplishments, etc? Know of a >source where I can find out? I need this by Feb. 14th at the latest. Thanks >a heap. Barbara Burke, LPDM class of '93. Dear Barbara, I can not give you a lot of detail about Sierpinski but a can tell you a little about him. His full name was Waclaw Sierpinski and he was a polish mathematician who was know for his work in number theory, set theory and logic. He wrote a very nice book that was translated into English called A Selection of Problems in the Theory of Numbers, Pergamon Press, 1964. His widow relocated to America for some reason, and was living near my college a number of years back but I am not sure she is still alive. (She lived in Jamaica Estates.) Sorry that's the best I can do. Regards, Joe From joer Fri Feb 9 10:13:49 1996 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id KAA01402 for ; Fri, 9 Feb 1996 10:13:48 -0500 Received: from cis-ts1-slip13.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA03290; Fri, 9 Feb 1996 10:13:37 -0500 Message-Id: <9602091513.AA03290@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Fri, 9 Feb 1996 10:19:45 -0400 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: StarLogo for the Macintosh Teachers, Star Logo is a wonderful modeling environment. For those you who would like to try it, it is available free from MIT. To run StarLogo, you need a Macintosh with at least a 68030 processor and at least 5 Mbytes of free RAM. If you get this and try it. I would love to hear from you. Janice From: Mitchel Resnick >Date: Sat, 6 May 1995 15:46:53 -0400 >To: logo-l@acme.fred.org >Subject: StarLogo for the Macintosh >Reply-To: mres@media.mit.edu > >StarLogo for the Macintosh is now available. > >StarLogo is a programmable modeling environment for exploring the >behaviors of decentralized systems, such as ant colonies, traffic >jams, and market economies. It is designed especially for use by >students. > >With StarLogo, you can control the actions of hundreds of graphic >"turtles" in parallel. You can also write programs for thousands of >"patches" that make up the turtles' environment. Turtles and patches >can interact with one another -- for example, you can program the >turtles to "sniff" around the world, and change their behaviors based >on what they sense in the patches below. StarLogo is particularly >well-suited for Artificial Life investigations. > >The current version of StarLogo is available at no cost. In return, >users are expected to send us comments and suggestions. > >To obtain a copy of StarLogo, send email to >starlogo-request@media.mit.edu. We will send you information on how to >download the software and related documentation. > >*** Mitchel Resnick, Brian Silverman, Andy Begel >*** MIT Media Lab > > > From joer Fri Feb 9 21:01:52 1996 Return-Path: Felix4446@aol.com Received: from emout10.mail.aol.com (emout10.mx.aol.com [198.81.11.25]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id VAA20876 for ; Fri, 9 Feb 1996 21:01:51 -0500 From: Felix4446@aol.com Received: by emout10.mail.aol.com (8.6.12/8.6.12) id VAA03282 for teachers@dimacs.rutgers.edu(discretionlovers); Fri, 9 Feb 1996 21:01:05 -0500 Date: Fri, 9 Feb 1996 21:01:05 -0500 Message-ID: <960209210103_218460254@emout10.mail.aol.com> To: teachers@dimacs.rutgers.edu (discretionlovers) Subject: Sierpinski Replies To all my fellow discrete-buffs (Could be an oxymoron if DISCREET-BUFF...Think about it. Hope it makes you smile.)... "A teacher was searching Sierpinski-- But all that she got was chagrinski-- Then to her surprise She got many replies-- And now her face has a big grinski." MANY THANKS TO ALL WHO RESPONDED TO MY SIERPINSKI SEARCH!!! I'll let you know how the final project turns out. I'll have to take a picture of the students and the structure and bring it to the May Follow-up. Till next installment, buh-bye and DZIENKUJE! (Thanks in Polish) ...Barbara Burke. From joer Mon Feb 12 11:27:05 1996 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id LAA18043 for ; Mon, 12 Feb 1996 11:27:05 -0500 Received: from cis-ts2-slip1.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA06945; Mon, 12 Feb 1996 11:26:59 -0500 Message-Id: <9602121626.AA06945@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Mon, 12 Feb 1996 11:33:17 -0400 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: LOGO-L> HyperStudio Tessellations on www >X-Sender: (Unverified) >Mime-Version: 1.0 >Date: Sun, 28 Jan 1996 19:07:32 +0000 >To: logo-l@gsn.org >From: Paul Bentley >Subject: LOGO-L> HyperStudio Tessellations on www >Sender: owner-logo-l@gsn.org >Precedence: bulk >Reply-To: Paul Bentley > >HyperStudio users might like to check out Suzanne Alejandre's HyperStudio >Tessellations lesson plan on the www at: > >http://forum.swarthmore.edu/sum95/suzanne/colortips.html > >There is also a version (in black and white) for HyperCard. > >Suzanne's pages are part of the "Geometry Forum" site which is well worth >investigating. > >------------------------------------------------------------------ > >Paul Bentley >83 Manor Park > >London SE13 5RA, UK >Tel: +44 181 244 4590 >Fax: +44 181 852 1563 >paul@eotech.demon.co.uk > >Home Education Advisory Service (HEAS) IT Support/Resources >http://ourworld.compuserve.com/homepages/home_ed_advisory_srv > >------------------------------------------------------------------ > > > > >--------------------------------------------------------------- >Please post messages to the Logo forum to logo-l@gsn.org. Mail >questions about the list administration to logofdn@gsn.org. To >unsubscribe send unsubscribe logo-l to majordomo@gsn.org. > > From joer Mon Feb 12 13:32:57 1996 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (LjnyFFWP7z83EA5YonOKn3iPLoRuVJfw@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id NAA26103 for ; Mon, 12 Feb 1996 13:32:56 -0500 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id NAA13253; Mon, 12 Feb 1996 13:31:53 -0500 Date: Mon, 12 Feb 1996 13:31:53 -0500 (EST) From: Charles Biehl To: dm teachers cc: Linda Hall Subject: NCSM Candidacy (fwd) Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII I have the pleasure of knowing and working with Linda for the past several years and believe she is an excellent candidate for the office of 2nd VP of NCSM. Those of you who are NSCM members can support her with confidence, as her long-time middle school teaching experience and her ascendency into supervision at the K-12 level have been exemplary. Chuck ---------- Forwarded message ---------- Date: Mon, 12 Feb 96 05:06:14 PST From: Linda A. Hall To: cbiehl@udel.edu Subject: NCSM Candidacy I am asking for your support in my candidacy for President-elect of NCSM> I would appreciate your recommendation to other members in your area. In this era of budget reductions and widespread cost-cutting it is imperative NCSM continue to provide strong leadership to assist and support our members as they lead reform efforts in mathematics education. Our ultimate goal is to be a vital resource for leaders as they fulfill their responsibility of supporting academic success and increased achievement for all students in mathematics education. Thank you for your consideration of my candidacy. Linda From joer Mon Feb 12 14:14:24 1996 Return-Path: mirsky@voyager.bxscience.edu Received: from voyager.bxscience.edu (mirsky@voyager.bxscience.edu [204.217.8.10]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id OAA27223 for ; Mon, 12 Feb 1996 14:14:20 -0500 Received: (from mirsky@localhost) by voyager.bxscience.edu (8.7.3/8.7.3) id OAA18794; Mon, 12 Feb 1996 14:14:00 -0500 Date: Mon, 12 Feb 1996 14:13:59 -0500 (EST) From: Sheryl Mirsky - Mathematics Department To: teachers@dimacs.rutgers.edu Subject: codes Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Hi: I have shared material on zip codes, ISBN codes, etc. with some of my colleagues and several of us have done enjoyable lessons on this. A question has arisen: Does anyone know how the code works for the numbers in VCR Plus? We looked at the TV listings and so far haven't figured out if there is any pattern and what if might be? Thanks for your help. Sherrill Mirsky From joer Tue Feb 13 09:26:13 1996 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id JAA27000 for ; Tue, 13 Feb 1996 09:26:12 -0500 Received: from cis-ts1-slip2.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA08159; Tue, 13 Feb 1996 09:26:04 -0500 Message-Id: <9602131426.AA08159@xor.cis.brown.edu> X-Sender: jkowalcz@k12.brown.edu (Unverified) Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Tue, 13 Feb 1996 09:32:28 -0400 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: Mathematics a Human Endeavor Cc: jkowalcz@xor.cis.brown.edu Teachers, "Mathematics a Human Endeavor" is a textbook that has been mentioned over and over again at follow-up sessions but now when Debbie Franzblau and I are sitting down to put together a list of "the best" of discrete math resources - the details about this text escape us and we have a sense that it is important. Who out there uses this as a text? For what course? For what group/s of students? How valuable has this book been for you? Who out there uses this as resource book? For what course? For what group/s of students? How valuable has this book been for you? What recommendations would you give it? What discrete math topics are included? How well are these topics handled? How much of the text is discrete math? Thank you in advance for any information you can send concerning this text. Janice Kowalczyk From joer Tue Feb 13 10:31:46 1996 Return-Path: avigad@dimacs.rutgers.edu Received: from morley.rutgers.edu (avigad@morley.rutgers.edu [128.6.75.10]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id KAA28702 for ; Tue, 13 Feb 1996 10:31:45 -0500 Received: (from avigad@localhost) by morley.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id KAA16424; Tue, 13 Feb 1996 10:30:27 -0500 Date: Tue, 13 Feb 1996 10:30:27 -0500 From: Jeremy Avigad Message-Id: <199602131530.KAA16424@morley.rutgers.edu> To: jkowalcz@xor.cis.brown.edu CC: teachers@dimacs.rutgers.edu Subject: Re: Mathematics a Human Endeavor It's by Harold Jacobs. I don't have my copy with me (it's in Michigan), so I can't tell you the contents exactly, but it's got some good stuff on probability, logic puzzles, geometry and applications, etc. I've used bits and pieces with bright young (9th, 10th grade) high school students. Another book of that ilk, also really good, is McGown and Serra, _Patterns in Mathematics_. I'm here at DIMACS. I'll give Debbie my "list." --Jeremy Avigad (A DIMACS postdoc, visiting from the Math Department of the University of Michigan) From joer Wed Feb 14 11:39:18 1996 Return-Path: jnesbit@mka.pvt.k12.nj.us Received: from uu7.psi.com (uu7.psi.com [38.8.39.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id LAA10679 for ; Wed, 14 Feb 1996 11:39:05 -0500 Received: from mka-gate.mka.pvt.k12.nj.us by uu7.psi.com (5.65b/4.0.940727-PSI/PSINet) via SMTP; id AA10926 for teachers@dimacs.rutgers.edu; Wed, 14 Feb 96 11:38:22 -0500 Received: from mka-proxy.mka.pvt.k12.nj.us (ccmail-gate) by mka.pvt.k12.nj.us (5.x/SMI-SVR4) id AA19852; Wed, 14 Feb 1996 11:35:40 -0500 Received: from cc:Mail by mka-proxy.mka.pvt.k12.nj.us id AA824326525; Wed, 14 Feb 96 09:45:21 est Date: Wed, 14 Feb 96 09:45:21 est From: "jnesbit" Message-Id: <9601148243.AA824326525@mka-proxy.mka.pvt.k12.nj.us> To: JOrent@mka.pvt.k12.nj.us, jchaffee@mka.pvt.k12.nj.us, jzurcher@mka.pvt.k12.nj.us, lpietruc@mka.pvt.k12.nj.us, JMonico@mka.pvt.k12.nj.us, teachers@dimacs.rutgers.edu, tsaburn@mka.pvt.k12.nj.us Subject: Fwd: If Dr. Seuss was into technobabble A friend sent this to me. I thought I would share it with all of you. Judy If Dr. Seuss was into technobabble Here's an easy game to play. Here's an easy thing to say: If a packet hits a pocket on a socket on a port, and the bus is interrupted as a very last resort, and the address of the memory makes your floppy disk abort, then the socket packet pocket has an error to report! If your cursor finds a menu item followed by a dash, and the double-clicking icon puts your window in the trash, and your data is corrupted 'cause the index doesn't hash, then your situation's hopeless, and your system's gonna crash! If that FAT on your hard disk is all fragmented and flat and the file you try open says it's there but it isn't that. You need to calm your clusters and unravel all the mix and reintroduce the order before you overwrite the fix. You can't say this? What a shame sir! We'll find you another game sir. If the label on the cable on the table at your house, says the network is connected to the button on your mouse. But your packets want to tunnel on another protocol, that's repeatedly rejected by the printer down the hall. And your screen is all distorted by the side effects of gauss, so your icons in the window are as wavy as a souse. Then you may as well reboot and go with a bang, 'cause as sure as I'm a poet, the sucker's gonna hang! When the copy of your floppy's getting sloppy on the disk, and the microcode instructions cause unnecessary risk, then your have to flash your memory and you'll want to RAM your ROM. Quickly turn off the computer and be sure to tell your mom! From joer Wed Feb 14 12:36:32 1996 Return-Path: Devious13@aol.com Received: from emout07.mail.aol.com (emout07.mx.aol.com [198.81.11.22]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id MAA12167 for ; Wed, 14 Feb 1996 12:36:31 -0500 From: Devious13@aol.com Received: by emout07.mail.aol.com (8.6.12/8.6.12) id MAA25787; Wed, 14 Feb 1996 12:35:48 -0500 Date: Wed, 14 Feb 1996 12:35:48 -0500 Message-ID: <960214123546_321931717@emout07.mail.aol.com> To: jkowalcz@xor.cis.brown.edu cc: teachers@dimacs.rutgers.edu Subject: Human Endeavor Dear Jan, We've used Human Endeavor as a supplemental text in grade 8 as long as I can remember. I think it is a great resource. Our original texts were printed in 1970. There have been 2 reprints/updates '83 and '93 I think. This past summer I was able to get an "examination" copy of the new version, but it wasn't too easy. (I guess at the time the salesperson had used all her comp copies.) It is jammed with problem solving activities, "what if's", recursion, etc. From its table of contents (1970 edition - all I have handy here): mathematical way of thinking (inductive/deductive reasoning) number sequences, functions and their graphs, numbers and logarithms, regular polygons, mthematical curves, methods of counting, mathematics of chance, intro to statistics, and topics in topology. The book is also full of drawings (from Escher) and mathematical cartoons (from Peanuts, BC, New Yorker, etc). The publisher is W.H.Freeman and Company, the author is Harold Jacobs. I have a number and address somewhere but right now it's archealogically challenged (buried deep). I try to find it, or maybe someone else has a current reference. Good luck. From joer Wed Feb 14 21:19:17 1996 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id VAA03945 for ; Wed, 14 Feb 1996 21:19:17 -0500 Received: from cis-ts3-slip7.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA10578; Wed, 14 Feb 1996 21:19:07 -0500 Message-Id: <9602150219.AA10578@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Wed, 14 Feb 1996 21:25:37 -0400 To: teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: software Teachers, Debbie and I want to thank all those who have been able to respond to our questions about discrete math resources. We are really beginning to zero in on the keepers and think the list that is forming will be a useful one to anyone doing or planning to do dm in the classroom. We need to refine our software list a bit - therefore another request. WE would like some inside information from those of you who use Sketchpad. We believe this is one of the best. What grade levels do you use it at? Where does it fit in your math program? How do you use it? How valuable have you found this software? What is the startup or learning time for students using sketchpad? What dm topics have you addressed with this software? For Non-sketchpad users. Tell us what is your favorite software to support dm in your classroom. (Do I hear Tesselmania, and Logo echoing?) May I iterate!: What grade levels do you use it at? Where does it fit in your math program? How do you use it? How valuable have you found this software? What is the startup or learning time for students using it? What dm topics have you addressed with this software? We will wait patiently for your replys. Thanks for all the support you are giving to this project - we appreciate the experiences that you have had and are all uniquely qualified to share. Janice From joer Wed Feb 14 23:55:18 1996 Return-Path: voolich@meol.mass.edu Received: from meol.mass.edu (meol.mass.edu [134.241.27.23]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id XAA07555; Wed, 14 Feb 1996 23:55:14 -0500 Received: by meol.mass.edu; id AA25500; Thu, 15 Feb 1996 00:01:19 -0500 Date: Thu, 15 Feb 1996 00:01:18 -0500 (EST) From: Erica Voolich To: Judy Brown Cc: teachers@dimacs.rutgers.edu Subject: Re: 1996 problem In-Reply-To: Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Judy I've never seen that definition for double factorials. interesting. Erica Voolich From joer Thu Feb 15 07:42:16 1996 Return-Path: tiberio@tiac.net Received: from bullwinkle.tiac.net (bullwinkle.tiac.net [199.0.65.15]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id HAA18094; Thu, 15 Feb 1996 07:42:16 -0500 Received: from [206.105.155.179] (tiberio.tiac.net [206.105.155.179]) by bullwinkle.tiac.net (8.6.9/8.6.6.Beta9) with SMTP id HAA16895; Thu, 15 Feb 1996 07:42:05 -0500 Date: Thu, 15 Feb 1996 07:42:05 -0500 Message-Id: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: Judy Brown From: tiberio@tiac.net (R. S. (Chuck) Tiberio) Subject: Re: 1996 problem Cc: teachers@dimacs.rutgers.edu Hi! What about a bar to represent repeating decimals? _ For example, .1 would equal 1/9. This is a standard notation that appears in many algebra books. Unfortunately there is no way to implement it with a single keystroke on a calculator. If you are going to allow square root (since it appears on the calculator) then why not the greatest integer? The function "int" appears on all TI calculators and many other scientific ones. Hope to see everyone in a few weeks! R. S. (Chuck) Tiberio phone: (617) 446-6290 X230 Mathematics Department email: tiberio@tiac.net Wellesley High School 50 Rice Street Wellesley, MA 02181-6099 From joer Fri Feb 16 16:03:38 1996 Return-Path: LindaBoland@aristotle.com Received: from nameserver1.sonoransky.pvusd.k12.az.us ([204.228.21.253]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id QAA21927 for ; Fri, 16 Feb 1996 16:03:36 -0500 Received: from aristotle.com (204.228.21.252) by nameserver1.sonoransky.pvusd.k12.az.us with SMTP (Apple Internet Mail Server 1.0); Fri, 16 Feb 1996 14:02:20 -0700 Date: Fri, 16 Feb 96 14:00:08 -700 From: LindaBoland@aristotle.com (LindaBoland) Organization: AristotleCom Subject: Dr. Suess To: teachers@dimacs.rutgers.edu Message-ID: <80751.ensmtp@aristotle.com> Priority: normal X-Mailer: ExpressNet/SMTP v1.1.5 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Here's something from our computer specialist to go along with Judy's poem! __________ __________/VVVVVVVVVV\ /VVVVVVVVVVVVVVVVVVVVVV| /VVVVVVVVVVVVVVVVVVVVVVV/ /VVVVVVVVVVVVVVVVVVVVVVVV/ |VVVV^^^^^^^^^^^^ | | vvvvvv\ | vvvvvvvVVVVVVVVVVVVVV/ |/VVVVVVVVVVVVVVVVVVVVVVVVV| |VVVVVVV^^^^^^^^^^ | |V/ \ | vvvvvvvvvvvvv| \ /VVVVVVVVVVVVVVVVVVVVVV\ \/VVVVVVVVVVVVVVVVVVVVVVVV\____ |VVVVVVVV^^^^^^^^^^___________) |\__|/ _____ //-------- \\xx/ | xx\ /%%%%/// __ __ \\ \ \_xxx %%%% / / \ / \ | / \x%%%% ((0) ) ((0) ) | / #/|%%%% \__/ \__/ \__ ______------- \#/ |%%%% @@ \/ _/%%%% |_____ ________/|%%%% | -----___ ----- |%%%% \___ __/ ___/\%%%% / --________________// __---- \%%%% ___/ / \%%%% _/ \%%%% _/ \%%%% / \%% | |%% | From joer Fri Feb 16 18:28:50 1996 Return-Path: kdevizia@skylands.net Received: from echo.skylands.net (ECHO.SKYLANDS.NET [206.103.0.1]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id SAA24612; Fri, 16 Feb 1996 18:28:39 -0500 Received: from [206.103.0.72] by echo.skylands.net (post.office MTA v1.9.1 ID# 0-11733) with SMTP id AAA85; Fri, 16 Feb 1996 18:29:15 -0500 Message-ID: <3124CDCA.6A10@skylands.net> Date: Fri, 16 Feb 1996 18:32:42 +0000 From: kdevizia@skylands.net (Kevin DeVizia) X-Mailer: Mozilla 2.0 (Macintosh; I; PPC) MIME-Version: 1.0 To: Al Bauch , Bill Geppert , Bob Geiger <100720.75@compuserve.com>, Brian Winant , Bruce Virga , Charles Fleming , Christine Czapleski , Debbie Delecce , Frank Reardon , Fred Stewart , Glen Blume , Greg Ryle , Greg Ryle , Jean Werner , Jim Bohan , Joe Rosenstein , John Martin , Judy Brown , Kathy Heid , Ken Lloyd , Kim Orben , Lou DeVizia , MarsSaxMan , Mary Ann Matras , Mary Ann Starkey , Mary Krauland , Matt Wyckoff , Morrison Academy , Nancy Rulison <76025.245@compuserve.com>, Neil Reitmeyer , Nick Stupiansky , Nina Girard , Richard E Brown , Richard Ruth , Rick Knospler , Ron Harrell , Sandra Miller , Sherry Yetter , Steve Bowman <75671.2321@compuserve.com>, Tim Wagner <74353.2256@compuserve.com>, Tom McShane , Wayne Boggs , teachers@dimacs.rutgers.edu Subject: Josiah Stephen DeVizia Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Announcing... Josiah Stephen DeVizia, born 6:43 a.m., Friday, February 16, 1996. Josiah's birth weight was 7 lbs, 1.5 oz; he is 19.75 inches long. He was born to Joy DeVizia and Kevin DeVizia at St. Anthony's Hospital, Warwick, NY, and joins sisters Hope Renee, 3, and Abigail Elizabeth, 1. KD From joer Fri Feb 16 21:52:05 1996 Return-Path: jfaillac@pen.k12.va.us Received: from pen1.pen.k12.va.us (pen1.pen.k12.va.us [141.104.22.202]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id VAA02263 for ; Fri, 16 Feb 1996 21:52:01 -0500 Received: from pen2.pen.k12.va.us by pen1.pen.k12.va.us (8.7.3/8.6.6) id VAA166613; Fri, 16 Feb 1996 21:51:40 -0500 From: "Jacqueline M. Faillace" Received: by pen2.pen.k12.va.us (8.7.3/8.6.6) id VAA121726; Fri, 16 Feb 1996 21:51:40 -0500 Message-Id: <199602170251.VAA121726@pen2.pen.k12.va.us> Subject: Welcome to bulletin (fwd) To: teachers@dimacs.rutgers.edu (all teachers) Date: Fri, 16 Feb 96 21:51:39 EST Cc: mspikell@wpgate.gmu.edu, dpittman@pen.k12.va.us, kmorris3@osf1.gmu.edu, scritchf@pen.k12.va.us, nhall2@gmu.edu, mhelman@osf1.gmu.edu, patricia_a._robertson@wnvt.pbs.org, jfaillac@pen.k12.va.us X-Mailer: PENELM [version 2.3.1 PL11] Hi fellow teachers, A friend just passed this along to me and I thought there may be someone out there interested in subscribing to this bulletin. It is free. The information follows. Jackie ----------------------------------------------------------- > > Here's the general information for the list you've > subscribed to, in case you don't already have it: > > Welcome to the Education Bulletin mailing list! > > You are now subscribed to Education Bulletin, ASCD's new > online newsletter featuring concise, high-interest items > on the most important developments in education, as well > as provocative excerpts from ASCD's upcoming publications. > You will automatically receive the newsletter, via e-mail, > approximately every two weeks, starting in the latter part > of November. > > If you ever want to remove yourself from this mailing list, > send the following command in e-mail to majordomo@odie.ascd.org > > unsubscribe bulletin > > If you know of anyone who might be interested in this mailing > list, please spread the word. Anyone can join Education Bulletin > at any time by sending a message with their request to: > > majordomo@odie.ascd.org > > The message should say: subscribe bulletin > > Please remind them to leave the subject line blank. > > > > -- ***************************************************************************** Jackie Faillace Getgood Stafford Middle School 101 Spartan Drive Stafford, VA 22554 (540) 659 - 2171 e-mail: jfaillac@pen.k12.va.us From joer Sun Feb 18 14:28:04 1996 Return-Path: Carrolla2@aol.com Received: from emout06.mail.aol.com (emout06.mail.aol.com [198.81.10.43]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id OAA28186 for ; Sun, 18 Feb 1996 14:28:03 -0500 From: Carrolla2@aol.com Received: by emout06.mail.aol.com (8.6.12/8.6.12) id OAA13621 for teachers@dimacs.rutgers.edu; Sun, 18 Feb 1996 14:27:31 -0500 Date: Sun, 18 Feb 1996 14:27:31 -0500 Message-ID: <960218142730_225152479@emout06.mail.aol.com> To: teachers@dimacs.rutgers.edu Subject: PA Assessments Dear Fellow LPDM teachers, especially HS teachers, My school recently got very bad press regarding the state assessment tests in PA. I'm wondering how you all fared. We wound up in the second quintile and as an after fact found out that the students had intentionally saboutaged the test. Has anyone had similar experiences? Misery loves company. -- Anne Carroll, LPDM '93 From joer Mon Feb 19 12:28:59 1996 Return-Path: voolich@meol.mass.edu Received: from meol.mass.edu (meol.mass.edu [134.241.27.23]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id MAA27891 for ; Mon, 19 Feb 1996 12:28:50 -0500 Received: by meol.mass.edu; id AA08151; Mon, 19 Feb 1996 12:34:39 -0500 Date: Mon, 19 Feb 1996 12:34:39 -0500 (EST) From: Erica Voolich To: general <01cvjones@bsuvc.bsu.edu>, anne@logal.com, bertgar@aol.com, ffasanel@maa.org, joanc1@aol.com, johanna@columbia.edu, karendm@aol.com, lenhart@math.utk.edu, lynn@fantasyfarm.com, melodyweav@aol.com, pattyweiss@aol.com, pwood@idea.uml.edu, rickey@andy.bgsu.edu, ryeats@heinous.music.uiowa.edu, skb@simons-rock.edu, slcox@aol.com, struik@euclid.colorado.edu, svoolic1@cc.swarthmore.edu, teachers94@dimacs.rutgers.edu, tmacdon@k12.oit.umass.edu, vkatz@udcvax.bitnet, Whe_Spungin@flo.org, Whe_Winokur@flo.org Subject: Utah Wilderness Soldout (fwd) Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII folks here is something to consider signing Erica Voolich ---------- Forwarded message ---------- Date: Sat, 17 Feb 1996 22:18:45 -0500 (EST) From: Marion Harris To: teachers@meol.mass.edu Cc: FRED FEITLER Subject: Utah Wilderness Soldout Friends, this is an urgent call for signatures on a petition to influence the irreversible fate of public wilderness. Below you will find the explanation of the system by which these signatures are being collected. Commentary on the horrific bills before Congress follows and below that is the petition itself. Please send this to 5 of your colleagues that are _not_ on the meol teacher's list. ---------------------------------------------------------------------------- > ---------- Forwarded message ---------- > > * ! * ! * SIGN THIS PETITION IF YOU CARE ABOUT THE ENVIRONMENT, > THE DESERT, PROTECTION OF PRISTINE WILDERNESS AREAS * ! * ! * > > As the following editorial from the New York Times states, two very, > very bad bills (HR 1745 and its senate counterpart S884), are currently > proposing wilderness annihilation in the beautiful desert lands of > Utah. Read the following article if you want more details. This is a > NATIONAL issue, and an issue of misrepresentation-- the people of > Utah do not want this bill passed and their representatives are not > listening. > PLEASE SIGN YOUR NAME TO THIS LIST AND SEND IT ON TO 5 OTHER PEOPLE. > IF YOU ARE A TENTH PERSON TO SIGN YOUR NAME, FORWARD THE LIST BACK TO: > > whittle@owlnet.rice.edu > > (i.e. the 10th, 20th, 30th person will forward this message to me in > progress) > > I will compile the petition and send it to the important senators, etc. > > --------Editorial in the New York Times, November 15, 1995---------------- > > . . .There is another test just around the corner. Companion > bills in the House and Senate would take about 22 million acres > of Federal land in Utah nowrun by the Federal Bureau of Land > Management,give wilderness protection to a mere 1.8 million acres > in southeastern Utah's fabled canyonlands and open the rest to > mining, road-building and development. > > The bills are sponsored by Representative James Hansen and > Senator Orrin Hatch, both Utah Republicans. A competing bill > sponsored by Representative Maurice Hinchey of New York is much > better. It would protect 5.7 million acres, which > environmentalists think is the minimum require maintain the > integrity of the canyonlands. According to several polls, Utah's > rank-and-file citizens prefer the Hinchey approach and believe > that there is more to be gained from tourism if the terrain is > left alone than from bulldozing some of the nation's most fragile > and scenic lands. But Utah's Congressional delegation prefers the > bulldozer. > > Critics of the Hatch-Hansen bill have two further complaints. > First, it would undermine the intent of the 1964 Wilderness > Act--an act that designates wilderness as a place "where man > himself is but a visitor"--by allowing development even in the > 1.8 million protected acres. Second, it forecloses the > possibility of future wilderness designations. The B.L.M. will > continue to manage the 20 million Utah acres left unprotected by > the Hansen-Hatch bills. But the bills say the land must hence- > forth be reserved for commercial users. Wilderness designation > will no longer be an option. Finally, victory for the > Hansen-Hatch bills could provide smoother sailing for other > measures that are aimed at stripping the Federal Government of > control over public lands. The most brazen of these are identical > bills sponsored by Senator Craig Thomas, Republican of Wyoming, > and Mr. Hansen that would transfer to the states every single > acre managed anywhere by the B.L.M., some 270 million acres in > all. A variant has been offered by Senator Conrad Burns, > Republican of Montana, who would establish a commission to > identify national forests and other public lands that could be > sold or transferred to the states or private interest. The > Thomas-Hansen measure proposes a give-away. The Burns bill > threatens a national yard sale of the country's natural > heirlooms. Mr. Thomas says the lands would be better administered > "by the people who truly understand the needs of local citizens. > That, of course, means Western state legislatures, which tend to > be far more inclined to exploit public resources for commercial > gain than even this Congress. > > These are destructive ideas, and the only sure way to stop them > is to send a clear conservationist signal by defeating the Utah > lands bill. The main hope is on the House floor, where a growing > group of moderate Republicans is having strong second thoughts > about legislation that endangers the environment. The > preservation of a sound national public lands strategy may lie in > their hands. > > > -------------------------------------------------------------------------- > PETITION BEGINS HERE: > > "I do not support wilderness annihilation bills HR 1745 and S884. I > am in favor of Senator Hinchey's and the Utah citizen's proposal to > designate AT LEAST 5.7 million acres of PROTECTED wilderness in > southern Utah." > > # NAME E-MAIL (not obligatory) PLACE OF RESIDENCE > 1. Elizabeth Whittlesey whittle@owlnet.rice.edu TX (orig UT) > 2. Cori Nelson corin@leland.stanford.edu CA (orig UT) > 3. Erin Johnson ejohnson@minerva.cis.yale.edu CT (orig UT) > 4. Sung-Min Chung sucker@minerva.cis.yale.edu CT (orig MD) > 5. Thomas Socci NY > 6. Sofia Yakren NY > 7. Elizabeth Kanter MA (orig NJ) > 8. Amelia Kaplan akaplan@fas.harvard.edu NJ > 9. Emily Hobson ehobson@fas.harvard.edu CA > 10. Adam Dylan Hefty hefty@fas.harvard.edu KS > 11. Eric Albert edalbert@fas.har vard.edu NJ > 12. Daniel Mason dmason@fas.harvard.edu CA > 13. Joshua Mooney moondog@dartmouth.edu CA > 14. Erica Brandling-Bennett beeb@dartmouth.edu VA > 15. Allison Brugg Alli.Brugg@Dartmouth.edu CT > 16. Leah Campbell Cams@Dartmouth.edu NY > 17. Tamar Kraft-Stolar tk38@cornell.edu NY > 18. Zoe Weinrobe zrw1@cornell.edu MA > 19. Anna Spraycar ams40@cornell.edu MD > 20. Jessica Shattuck MD > 21. Karen E. Thomas kethomas@phoenix.princeton.edu CA > 22. Steven W. Thomas RI > 23. Chris Harley harley@zoology.washington.edu WA > 24. Jennie Hoffman WA > 25. Eric Sanford sanforde@bcc.orst.edu OR > 26. Philip Brownell brownell@bcc.orst.edu OR > 27. Ben Brownell bbrownell@pomona.edu OR > 28. Brian Cross bcross@pomona.edu CA > 29. Nathaniel Gilbert ngilbert@pomona.edu CA (orig WA) > 30. David Severson severson@lclark.edu OR (orig WA) > 31. Benjamin Kalm kalm@lclark.edu UT > 32. Sandy Kalm sk637@bard.edu UT > 33. Tiare Sheller ts396@bard.edu WA > 34. Nathan Sheller ns573@bard.edu WA > 35. Joel Krist joelkr@microsoft.com WA > 36. Kym Krist WA > 37. Angela Linse linse@u.washington.edu WA > 38. Barbara Knox-Seith bknoxs@scn.org WA > 39. Lisa Dabek ldabek@fish.washington.edu WA > 40. Tamara Jackson instruct@fish.washington.edu WA > 41. Alyssa Reischauer alyssar@fish.washington.edu WA > 42. Robert Bellsey bellsey@brahms.biosci.arizona.edu AZ > 43. A. Ellinor Michel emichel@umich.edu MI (reg. AZ) > 45. Sara Roos roos@hsc.usc.edu CA > 46. David Roos droos@sas.upenn.edu PA > 47. Buddy Ullman ullmanb@ohsu.edu OR > 48. Mike Litt litt@ohsu.edu OR > 49. Barbara Litt PA > 50. Fredrika Moser CA > 51. Nina Grove grove.nina@gene.com CA > 52. Ken Hitchner hitchner.ken@gene.com CA > 53. Lew Hitchner hitchner@netcom.com CA > 54. Jules Bloomenthal julesb@microsoft.com WA (orig. Utah) > 55. Ken Musgrave musgrave@seas.gwu.edu VA > 56. Beth Musgrave musgrave@seas.gwu.edu VA > 57. Glenn Davis throbdobbs@aol.com CA > 58. Laurel Levesque llevesqu@stem.com CA > 59. Ed Cohen edcohen@uclink2.berkeley.edu CA > 60. Sara Duckler CA > 61. Richard Millet CA > 62. Jennifer Kaufman CA > 63. Paul Budnitz Berkeley, CA > 64. Christian Svanes-Kolding cksd@sirius.com CA > 65. Christopher Hurwitz, peachy@alumni.caltech.edu CA > 66. David Carta dcarta@ucsd.edu CA > 67. Bob Brown tbobsc@tevm2.nsc.com CA > 68. Rebecca Howard rhoward@minerva.cis.yale.edu UT > 69. Stephen Fisher stephen.fisher@yale.edu CA > 70. Henry Kaufman henry@rga.com CT > 71. Joshua Moss joshm@rga.com NY > 72. Mark Rabinowitz mindthegap@aol.com NY > 73. Michael Rabinowitz msrabino@midway.uchicago.edu IL > 74. Nancy Sorkin Rabinowitz nrabinow@hamilton.edu IL > 75. Barbara Tewksbury btewksbu@hamilton.edu NY > 76. Thomas H. Painter painter@icess.ucsb.edu CA > 77. Timothy Kittel CO > 78. Martin Fowler CO > 79. Gudrun Magnusdottir CA > 80. Eric A. Smith Tallahassee, FL > 81. James E. Bossert NM > 82. Gregory S. Poulos poulos@lanl.gov > 83. Michael P. Meyers CO > 84. Jerry Y. Harrington harring@taf.atmos.colostate.edu CO > 85. Sharon E. Nebuda 14100 Bramble Ct #203 Laurel MD > 86. Daniel G. Suffoletta dan.suffoletta@ae.ge.com OH > 87. Gary J. Mihlbachler OH > 88. Virginia L. Anthes OH 89. Julia L. Derloshon IL 90. Fred Feitler ffeitler@kentvm.kent.edu OH 91. Marion P Harris harris@meol.mass.edu MA (orig VT) 92. Erica Voolich voolich@meol.mass MA From joer Tue Feb 20 10:16:24 1996 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (c63cmpibFtbxDfaAqU0Lg0FlWuxS5PUk@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id KAA04868; Tue, 20 Feb 1996 10:14:36 -0500 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id KAA05548; Tue, 20 Feb 1996 10:13:56 -0500 Date: Tue, 20 Feb 1996 10:13:56 -0500 (EST) From: Charles Biehl To: Kevin DeVizia cc: Al Bauch , Bill Geppert , Bob Geiger <100720.75@compuserve.com>, Brian Winant , Bruce Virga , Charles Fleming , Christine Czapleski , Debbie Delecce , Frank Reardon , Fred Stewart , Glen Blume , Greg Ryle , Greg Ryle , Jean Werner , Jim Bohan , Joe Rosenstein , John Martin , Judy Brown , Kathy Heid , Ken Lloyd , Kim Orben , Lou DeVizia , MarsSaxMan , Mary Ann Matras , Mary Ann Starkey , Mary Krauland , Matt Wyckoff , Morrison Academy , Nancy Rulison <76025.245@compuserve.com>, Neil Reitmeyer , Nick Stupiansky , Nina Girard , Richard E Brown , Richard Ruth , Rick Knospler , Ron Harrell , Sandra Miller , Sherry Yetter , Steve Bowman <75671.2321@compuserve.com>, Tim Wagner <74353.2256@compuserve.com>, Tom McShane , Wayne Boggs , teachers@dimacs.rutgers.edu Subject: Re: Josiah Stephen DeVizia In-Reply-To: <3124CDCA.6A10@skylands.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII C O N G R A T U L A T I O N S !!!!!!!! Remember, when in love, two's company, three's a crowd, and four and five are nine... When parenting, one's spoiled, two's company, and three's PLENTY ! Best of luck to both parents and J.S., too. From joer Tue Feb 20 10:30:06 1996 Return-Path: cbiehl@UDel.Edu Received: from brahms.udel.edu (yxT9WgWInB3G2K6V6jEjV9S/9z7bA2Tn@brahms.udel.edu [128.175.13.16]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with ESMTP id KAA05151 for ; Tue, 20 Feb 1996 10:30:06 -0500 Received: (from cbiehl@localhost) by brahms.udel.edu (8.6.12/8.6.12) id KAA08112; Tue, 20 Feb 1996 10:29:58 -0500 Date: Tue, 20 Feb 1996 10:29:57 -0500 (EST) From: Charles Biehl To: Carrolla2@aol.com cc: teachers@dimacs.rutgers.edu Subject: Re: PA Assessments In-Reply-To: <960218142730_225152479@emout06.mail.aol.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII I second the emotion... our kids also do poorly, and mostly it's because of lack of credibility of the assessments themselves. I think these tests should be linked to graduation, as they theoretically are in Maryland, although I don't think any student has ever not graduated because of the tests. Chuck On Sun, 18 Feb 1996 Carrolla2@aol.com wrote: > Dear Fellow LPDM teachers, especially HS teachers, > My school recently got very bad press regarding the state assessment tests in > PA. I'm wondering how you all fared. We wound up in the second quintile and > as an after fact found out that the students had intentionally saboutaged the > test. Has anyone had similar experiences? Misery loves company. > -- Anne Carroll, LPDM '93 > From joer Wed Feb 21 08:57:34 1996 Return-Path: jkowalcz@xor.cis.brown.edu Received: from xor.cis.brown.edu (xor.cis.brown.edu [128.148.176.24]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id IAA14192 for ; Wed, 21 Feb 1996 08:57:34 -0500 Received: from cis-ts2-slip4.cis.brown.edu by xor.cis.brown.edu (5.65/SMI-4.1 --- CIS Test 1.1) id AA17309; Wed, 21 Feb 1996 08:57:19 -0500 Message-Id: <9602211357.AA17309@xor.cis.brown.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Wed, 21 Feb 1996 09:04:09 -0400 To: Teachers@dimacs.rutgers.edu From: jkowalcz@xor.cis.brown.edu (Janice Kowalczyk) Subject: Tesselmania as a dm resource Teachers, Thanks for the responses on software thus far. We are getting there. Debbie and I could still use a little more information on the use of the Geometer's Sketch Pad especially in terms of how it is being used directly with DM. Marylu Tyndell talked about having a nice script to create Sierpinski's. We have heard from a number of logo users and those using spreadsheets but would not mind hearing from a few more to round things out, but nothing has come through about Tesselmania. Is this software in fact, a valuable tool in leadership program classrooms? Do you use it? At what point and how? How enthusiastic are you about this product? Should we recommend it to others? I hope you are having a nice winter break - the weather here in NE has turned mild today for a change. It feels like early spring. Janice Kowalczyk From joer Fri Feb 23 10:49:20 1996 Return-Path: jnesbit@mka.pvt.k12.nj.us Received: from uu11.psi.com (uu7.psi.com [38.8.39.2]) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) with SMTP id KAA11270 for ; Fri, 23 Feb 1996 10:49:13 -0500 Received: from mka-gate.mka.pvt.k12.nj.us by uu11.psi.com (5.65b/4.0.940727-PSI/PSINet) via SMTP; id AA23211 for teachers@dimacs.rutgers.edu; Fri, 23 Feb 96 10:49:04 -0500 Received: from mka-proxy.mka.pvt.k12.nj.us (ccmail-gate) by mka.pvt.k12.nj.us (5.x/SMI-SVR4) id AA26756; Fri, 23 Feb 1996 10:47:02 -0500 Received: from cc:Mail by mka-proxy.mka.pvt.k12.nj.us id AA825101213; Sat, 24 Feb 96 00:33:11 est Date: Sat, 24 Feb 96 00:33:11 est From: "jnesbit" Message-Id: <9601238251.AA825101213@mka-proxy.mka.pvt.k12.nj.us> To: teachers@dimacs.rutgers.edu Subject: Re: Tesselmania as a dm resource Judy, Thanks for the enthusiastic reply to the Tesselmania question. i was begiining to wonder if it was really being used. Sounds like a great project! How about reposting it to the list to let others know what your school has done. Janice At my school we use Tesselmania in the Geometry class when we teach about tesselations. (Our textbook is the UCSMP Geometry book.) As a project, each student is required to go to the lab and use Tesselmania to create a tesselation. The tesselations are then shown in class using the slide show feature of the program. The students vote and winning tesselation creators receive certificates. A few tesselations are selecterd to be printed. Students have been very enthusiastic about this project. They learn a lot and many of them are quite creative! Funny you should ask about this now as the students are in the middle of this project! In fact as I am the Math Lab proctor right now, I have just been helping students with this project. The program is a great resource. It comes with a resource guide that contains a series of lesson plans for teaching tesselations and using the program. __ From edna Mon Mar 4 08:55:40 1996 Return-Path: edna Received: (from edna@localhost) by fozzie.rutgers.edu (8.6.12+bestmx+oldruq+newsunq/8.6.12) id IAA05535; Mon, 4 Mar 1996 08:55:39 -0500 Date: Mon, 4 Mar 1996 08:55:39 -0500 From: Edna Wigderson Message-Id: <199603041355.IAA05535@fozzie.rutgers.edu> To: test test From edna Mon May 13 12:37:18 1996 Return-Path: edna Received: (from root@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id MAA14288; Mon, 13 May 1996 12:37:18 -0400 Date: Mon, 13 May 1996 12:37:18 -0400 From: Edna Wigderson Message-Id: <199605131637.MAA14288@dimacs.rutgers.edu> Apparently-To: edna Apparently-To: test gggg From edna Mon May 13 12:37:33 1996 Return-Path: edna Received: (from root@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id MAA14294; Mon, 13 May 1996 12:37:33 -0400 Date: Mon, 13 May 1996 12:37:33 -0400 From: Edna Wigderson Message-Id: <199605131637.MAA14294@dimacs.rutgers.edu> Apparently-To: edna Apparently-To: test gggg From edna Mon May 13 12:48:44 1996 Return-Path: edna Received: (from root@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id MAA14485; Mon, 13 May 1996 12:48:44 -0400 Date: Mon, 13 May 1996 12:48:44 -0400 From: Edna Wigderson Message-Id: <199605131648.MAA14485@dimacs.rutgers.edu> Apparently-To: edna Apparently-To: test test From edna Mon May 13 12:56:21 1996 Return-Path: edna Received: (from root@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id MAA14656; Mon, 13 May 1996 12:56:21 -0400 Date: Mon, 13 May 1996 12:56:21 -0400 From: Edna Wigderson Message-Id: <199605131656.MAA14656@dimacs.rutgers.edu> Apparently-To: edna Apparently-To: test test test From froberts Sun Aug 17 10:18:37 1997 Return-Path: froberts Received: (from froberts@localhost) by henson.rutgers.edu (8.6.12+bestmx+oldruq+newsunq+grosshack/8.6.12) id KAA03598; Sun, 17 Aug 1997 10:18:37 -0400 Date: Sun, 17 Aug 1997 10:18:37 -0400 From: Fred Roberts Message-Id: <199708171418.KAA03598@henson.rutgers.edu> To: test Subject: test From froberts Thu Jul 3 10:17:41 1997 Return-Path: froberts Received: (from froberts@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq/8.6.12) id KAA01030; Thu, 3 Jul 1997 10:17:41 -0400 Date: Thu, 3 Jul 1997 10:17:41 -0400 From: Fred Roberts Message-Id: <199707031417.KAA01030@dimacs.rutgers.edu> To: test Subject: test number 2 From froberts Thu Jul 3 14:35:27 1997 Return-Path: froberts Received: (from froberts@localhost) by dimacs.rutgers.edu (8.6.12+bestmx+oldruq+newsunq/8.6.12) id OAA02624; Thu, 3 Jul 1997 14:35:27 -0400 Date: Thu, 3 Jul 1997 14:35:27 -0400 From: Fred Roberts Message-Id: <199707031835.OAA02624@dimacs.rutgers.edu> To: test Subject: test3