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The Grapes Of Math: Mind-Stretching Math Riddles
The Grapes Of Math MindStretching Math Riddles Author:Greg Tang, Harry Briggs (Illustrator) "How many grapes are on the vine? Counting each takes too much time. Never Fear, I have a hunch, There is a match for every bunch!" — Greg Tang, a lifelong lover of math, shares the techniques that have helped him solve problems in the most creative ways! Harry Briggs's vibrant & inviting illustrations create a perfe... more »ct environment for these innovative games. So open your mind -- and have fun! « less