October 5, 2007
Volume 12 No. 40

In This Issue

Images of Mathematicians on Postage Stamps

A Matter of Time

ThinkQuest International 2008

Science Buddies


Free Online

For teachers of students in grades 3-5:
Tools for Building Math Concepts

For teachers of students in grades 5-9:
Using Technology and Problem Solving to Build Algebraic Reasoning

For all students:

For students in grades 9-10:
the MathMentor


Images of Mathematicians on Postage Stamps


First featured in our December 13, 1999, issue, Jeff Miller continues to add names to his alphabetical list of mathematicians whose likenesses appear on postage stamps. Countries, dates of issuance, and links to enlarged images of the stamps are provided.

Miller also includes on his site:

  • Other Mathematics Stamps
  • Fantasy Stamps
  • Links to Other Sites (dealing with mathematics and stamps)

A Matter of Time


This ThinkQuest site was conceptualized, written, designed and coded by an international team of students, scattered across 5 different time zones. The information is organized in these three sections:

  • A Trip through Time
  • Our Perception of Time
  • Global Value of Time

It is also available in Greek.

ThinkQuest International 2008


Sponsored by the Oracle Education Foundation, this competition offers a project-based learning experience to students and teachers across the globe. View the site for competition information.

Science Buddies


Science Buddies programs focus on:

  • Involving science and technology professionals to interact directly and indirectly with students, making science real.

  • Leading students to projects that are more challenging and have a higher science content than projects they might choose on their own.

  • Saving students time and frustration: students want to use the tools because they save them time and make science research more fun.

Areas of the site include:

  • Project Ideas
  • Project Guide
  • Ask an Expert
  • Teachers
  • Competitions


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