August 4, 2006
Volume 11 No. 31
 

In This Issue

Number Systems of the World

Mathcasts

MathBits.com

 

Number Systems of the World

http://www.sf.airnet.ne.jp/~ts/language/number.html

Takasugi Shinji's site lists dozens of languages; how to count from zero to one hundred in each; and the mathematical meaning of the expressions for each numeral.

Information displayed on his chart includes:

  • Complexity Rank
  • Language (linked to individual language page)
  • Language Family, Subfamily
  • Native Speakers Population
  • Spoken Area


Mathcasts

http://www.mathcasts.org/

Originally called "math movies" or "whiteboard movies," mathcasts are screencasts (screen movies of writing with voice) that focus on mathematics.

Mathcasts.org gives students a library of math tutorials and problem solutions. Teachers use this wiki to share methods for teaching, and to learn from others.

View "How to use this site"
http://www.mathcasts.org/index.php?title=Main_Page#How_to_use_this_site

  • Browse Mathcasts by Topic
  • Watch & comment on mathcasts by others
  • Request a mathcast
  • Contribute your own mathcasts
  • Create a digital portfolio of your work


MathBits.com

http://mathbits.com/

Frederick and Donna Roberts offer students and teachers their lessons and activities:

  • Teacher Resources
        Algebra, Geometry, Algebra 2, Statistics
  • Finding Your Way Around the TI-83+/TI-84+ Graphing Calculator
  • Using the TI-89 Titanium and the Voyage 200
  • Geometer's Sketchpad: Already Made Files and Materials for GSP 4.0
  • Beginning Programming in Java
  • Introduction to Programming in C++
  • Using PowerPoint for Interactive Math Games and Activities
  • Workshop Information

 

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