July 25, 2008
Volume 13 No. 30

In This Issue

PCMI: Cereal Box

NCTM: Family Resources

Cinderella 1.4


Free Online

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

For teachers of students in grades 5-9:
Technology Tools for Thinking and Reasoning about Probability

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

For all students:


PCMI: Cereal Box


In this simulation, a company has decided to include toys in its cereal boxes. Students create simulations to illustrate collecting one of each of the toys by imitating the purchase of boxes of cereal. The choice of how the simulation is created is left up to the student. Various simulations are shown in the teacher notes.

This classroom activity was developed by Beverly Farahani, president-elect for the Ontario Association for Mathematics Education, as part of the Park City Mathematics Institute.

View other PCMI Resources for Teachers:


PCMI is an outreach program of the School of Mathematics at the Institute for Advanced Study. Geometry is the theme of one of six working groups meeting this summer in June/July. For more information on the program, view the PCMI@MathForum site:


The Summer Session 2008 Program is just finishing their three week session. The Institute for Advanced Study will accept applications starting December 1, 2008 for the Summer Session 2009 Program.

NCTM: Family Resources


The National Council of Teachers of Mathematics offers resources for parents and families to help students learn math.

Download PDFs, some available in Spanish and French as well as in English:

  • Why does my child's math look different?

  • What can I do to make sure my child succeeds in math?

  • Math homework is due tomorrow -- how can I help?

  • Why aren't students learning math the way I did?

  • Why are students using calculators?

  • What happened to timed skills tests?

  • A Family's Guide: How to help children have a positive attitude and enjoy mathematics.

Cinderella 1.4


Ulli Kortenkamp recently wrote us to announce:

"The predecessor of Cinderella.2, the award-winning Interactive Geometry Software Cinderella 1.4, is now available as a free download. Cinderella 1 is well known for its capabilities in projective and non-Euclidean Geometry. It features hyperbolic and elliptic measurements and a spherical and Poincare view of the projective plane."


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