Synopsis
Put your mathematical thinking cap on--because even though these puzzles are toughies, they take insight and brainwork to solve, not a knowledge of calculus or linear algebra or any other kind of advanced math. Consider for a moment: * How can you divide a regular pentagon into five identical pentagonal shapes? * What is the only decade in American history to contain four prime-numbered years? * What three right triangles with integer sides have areas numerically equal to twice their perimeters? Don't worry if the answers don't spring to mind immediately; you'll have plenty of company. Compute without calculators; study the "survival of the splittest" by arithmetically analyzing a little amoeba reproduction; and investigate whether or not a rich man's children are getting a "square deal" with their inheritance. Just don't give up, because you'll have a lot of satisfaction when you figure them out.
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From the Back Cover
"...dozens of ideas for math-oriented magicians who would like to amaze their friends."--Booklist
From Booklist
Gr. 3-6. This little handbook offers dozens of ideas for math-oriented magicians who would like to amaze their friends. Actually, it's also a good resource for teachers who want to make math more fun for their students. Whatever the audience, this clearly written guide offers tips on patter and performing as well as clear directions for tricks with numbers, cards, coins, and shapes. Cartoonlike ink drawings contribute to the light tone that makes the math more accessible. A good resource for the mathematically inclined. Carolyn Phelan
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