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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 your friend's secret number. Balancing Act shows you how to 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 your Favorite Number to show up on a calculator every time. Try Zooming, taking a favorite cartoon and enlarging it with just a paper and pencil. Grab this book and you'll be ready to have fun with numbers.