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brought to you by

Center for Improved Engineering
& Science Education
Stevens Institute for Technology
Hoboken, New Jersey

Ihor Charischak
Mathematics Projects Manager
icharisc@stevens-tech.edu
201.216.5076

Copyright ©1999-2004 Stevens Institute of Technology, Center for Improved Engineering and Science Education.

The Dynamic Classroom: Teaching Math with Technology
Tuesday, October 11, 2005|NJAET Conference

The purpose of today's session is to help you better understand how the software-based actitvities can effectively be used in teaching and learning powerful ideas from mathematics.

 1 What's the problem with Word problems? 2 The object of the Fraction Darts challenge is to "pop" balloons located on a number line between 0 and 1. The darts are "thrown" by entering a number in fractional form.  Here is a glimpse of a game in progress. Two darts (5/8 and 3/4) have been thrown so far. Notice that 3/4 is too big and 5/8 is too small. What is your next throw? Also try Decimal Darts 3 Learning Mathematics Dynamically with Geometer's Sketchpad What can Spinwheels teach you about Geometry? Spinwheel1.gsp Spinwheel2.gsp Spinwheel3.gsp 4 The Famous Jinx Puzzle Pick a number,  Add 11, multiply by 6, subtract 3, divide by 3, Add 5, Divide by 2, Subtract the original number. Why is this called the Jinx puzzle? Jinx.xls 5 Order some pies and see if you can figure out what the prices are for different sizes of pizza and number of toppings. (Check out the toppings.) In other words, what does their menu look like? 6 What is the highest score you can get for this array of Globs?