Math Forum Internet News

Volume 9, Number 51

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20 December 2004                                  Vol. 9, No. 51

              THE MATH FORUM @ DREXEL INTERNET NEWS

   Spidron System - Erdely | Intriguing Tessellations - Rice
            Teaching Guide - Japanese Course of Study


                SPIDRON SYSTEM - Daniel Erdely

            http://www.szinhaz.hu/edan/SpidroNew/

  Since we originally featured his work in August of 2002,
  Daniel Erdely has developed more spidrons -- planar,
  plane-filling objects. Undergoing a three-dimensional
  deformation, the planar system generates a regular, dynamic,
  geometrical construction.

  Read about the general concept, and view examples of Erdely's
  work in:

    - Tilings
    - Reliefs
    - Fractals and Variations
    - Polyhedra
    - Dissections
    - Spacefilling
    - Transformations

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           INTRIGUING TESSELLATIONS - Marjorie Rice

           http://tessellations.home.comcast.net/

  Marjorie Rice started investigating tessellations after
  reading an article by Martin Gardner. Intrigued by his
  question about whether there were any new pentagon types
  that would tile a plane, she discovered four, which she
  illustrates on her site.

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       ELEMENTARY SCHOOL TEACHING GUIDE FOR THE JAPANESE
            COURSE OF STUDY: ARITHMETIC (GRADES 1-6)

    http://www.globaledresources.com/products/gerbook.html

  Since the release of the results from the Third International
  Mathematics and Science Study (TIMSS), there has been an
  increased interest in Japanese mathematics education
  practices.

  The 1989 Japanese National Course of Study was translated by
  the Japan Society of Mathematical Education and included in
  the TIMSS Resource Kit. Now the accompanying Teaching Guide
  has been translated and is available for purchase from Global
  Education Resources, Inc.

  You can download free sample pages of the Teaching Guide as
  a PDF file. The sample pages include the Table of Contents,
  Overview of the Objectives and Contents of the [K-6] Numbers
  and Calculations strand (from Chapter 2), and Contents of
  First Grade: Numbers and Calculations (from Chapter 3).

    http://www.globaledresources.com/products/ESTGsample.pdf

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                RESOURCES ON THE WORLD-WIDE WEB
   THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY (TIMSS)

       http://ra.terc.edu/resources/assessment/timss.html

  This site compiled by the Regional Alliance at TERC includes
  ordering information for the TIMSS Resource Kit.
  
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