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by Raymond Blum
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Amazon.com Product Description (ISBN 0439179734, Paperback)Math can be magic! These tricks, puzzles, memory tests, and other experiments will get you started. All you need is a pencil, a piece of paper, and a few supplies handy around the house. Guess you friend's secret number. Balancing Act shows how you draw half a painting, and the paper creates the other half. Cricket Thermometer tells the correct time by counting the number of times a cricket chirps in 15 seconds. Or try the dozens of other fun challenges. Draw special straight lines that turn into circles. Get you Favorite Number to show up on a calculator every time. Try Zooming - taking a favorite cartoon and enlarging it with just a pencil and paper. Grab this book and you'll be ready to havefun with numbers.
(retrieved from Amazon Thu, 12 Mar 2015 18:13:37 -0400)
An alphabetically arranged introduction to a variety of math tricks and activities, including "Finger Math," "Geometric Masterpieces," and "Numerology."
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