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```       MATH TOOLS NEWSLETTER - OCTOBER 1, 2005 - No. 32

The new school year has begun and we hope that you are
finding resources cataloged in Math Tools for your
mathematics classroom.

As you browse the catalog, please take a moment to rate and

***FEATURED TOOL
Tool: Java Kali
Mark Phillips
http://mathforum.org/mathtools/tool/20909/
Kali is a program that lets you draw symmetrical patterns
based on any of the 17 wallpaper groups, as well as several
frieze and rosette groups.

***FEATURED TOOL
Tool: Funhouse Mirrors
David Chandler
http://mathforum.org/mathtools/tool/20360/
A Geometer's Sketchpad tool for constructing distorted
images that can be viewed undistorted with a cylindrical
mirror. The file contains tabbed pages with several images,
a grid for students to draw and manually transform images,
and the step-by-step construction process.

***FEATURED TOOL
Tool: PowerPoint Jeopardy
Melissa Schmidt
http://mathforum.org/mathtools/tool/20738/
create "Jeopardy" games for use in the classroom.

***FEATURED ACTIVITY
Activity: Solving Problems Involving Percents - HP 30s
Hewlett-Packard
http://mathforum.org/mathtools/support/20866/
Students can practice working problems involving
percentages with a Hewlett-Packard 9g calculator. The
activity sheets provide the instructions to use specific
keys on this calculator to find the solution.

***FEATURED SUPPORT MATERIAL
Support Material: Developer's Guide to Excelets
Scott A. Sinex
http://mathforum.org/mathtools/support/20882/
Excelets are interactive Excel spreadsheets or simulations
of mathematical models.

***FEATURED SUPPORT MATERIAL
Support Material: Integers
Kevin Gallagher, Learningwave
http://mathforum.org/mathtools/support/20229/
An illustrated collection of explanations, with questions
for students to work out and submit for automatic feedback.

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