It's true--playing with numbers can raise your I.Q., and help you think more clearly. And, these 100 examples are among the best. Find the shortcut for adding 2, 3, and 4 to form 6 different 3-digit numbers. Or, try this: What is the smallest number that when multiplied by 3 gives an answer consisting of all 4's? Other braintwisters involve flipping coins, burning candles, and taking apart a Rubik's cube in your head. T hey're all fun. "A puzzle book for a large audience....People who enjoy mathematical puzzles, but are ...
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It's true--playing with numbers can raise your I.Q., and help you think more clearly. And, these 100 examples are among the best. Find the shortcut for adding 2, 3, and 4 to form 6 different 3-digit numbers. Or, try this: What is the smallest number that when multiplied by 3 gives an answer consisting of all 4's? Other braintwisters involve flipping coins, burning candles, and taking apart a Rubik's cube in your head. T hey're all fun. "A puzzle book for a large audience....People who enjoy mathematical puzzles, but are stumped by puzzles at the level of Mensa, will find this book much more manageable."--"Science Books & Film."
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Add this copy of Math Puzzles for the Clever Mind to cart. $2.96, good condition, Sold by Once Upon A Time Books rated 4.0 out of 5 stars, ships from Tontitown, AR, UNITED STATES, published 2013 by Puzzlewright.
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This is a used book in good condition and may show some signs of use or wear. This is a used book in good condition and may show some signs of use or wear.
Add this copy of Math Puzzles for the Clever Mind to cart. $41.98, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2013 by Puzzlewright.
Add this copy of Math Puzzles for the Clever Mind to cart. $128.08, new condition, Sold by Just one more Chapter rated 3.0 out of 5 stars, ships from Miramar, FL, UNITED STATES, published 2013 by Puzzlewright.
