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Q&A #727


Teaching fractions and perimeter

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From: Claudia (for Teacher2Teacher Service)
Date: Nov 01, 1998 at 19:53:54
Subject: Re: Teaching fractions and perimeter

One thing you could do would be to trace the tangram pieces on grid paper.
Or, just use the grid paper to measure the sides of each of the pieces. Then
you can talk about perimeter. What happens to the perimeter if you use two of
the same pieces. Fractions in this case would be a little difficult unless
you approached the problem from a geometric probability, where you computed
the area of each piece and then asked what is the probability that you would
land on a specific piece, say if all 7 formed the square?

You might try to visit some of the games web sites that include tangrams to
get more ideas, too.

 -Claudia, for the Teacher2Teacher service

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