The Grapes of Math: Mind Stretching Math Riddles - SIGNED [signed]
![The Grapes of Math: Mind Stretching Math Riddles - SIGNED [signed]](http://pictures.abebooks.com/isbn/9780439210331-us.jpg)
sku: COM9780439210331SIGNED
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Description
Illustrated riddles introduce strategies for solving a variety of math problems by looking for patterns, symmetries, and familiar number combinations within the eye-catching pictures.
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