Technology Tips: January 2004

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  • 1 North Carolina State University, Raleigh, NC 27695-7801

This month, we provide an example of a rich mathematical task that leads to many different connections. The task was posed to a class of high school seniors who were using a dynamic program for geometry called Cabri Geometry II. This tip includes directions for creating this problem with technology and suggestions for exploring it. The Cabri II software is available for Macintosh and PC computers from or It is also available for several different Texas Instruments calculators (TI-83 Plus, TI-83 Plus Silver, Voyage 200, TI-89, and TI-92 Plus). The program is similar to The Geometer's Sketchpad, and users who are familiar with The Geometer's Sketchpad should be able to easily adapt this task to use with it.


This department offers a forum where teachers can share innovative classroom activities and ideas related to teaching and learning mathematics using technology. Ideas using all types of classroom technology are welcome.

The Mathematics Teacher


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