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"Gr. 4-7...a collection of coin and card tricks, mathematical games, geometric puzzlers, brain teasers, and calculator riddles sure to intrigue children who enjoy math. Even kids who don't shine in math class may find the games and cartoon illustrations appealing. Some of the tricks will seem like magic, until the child plays around with them long enough for the principle to sink in....A good resource for teachers looking for original approaches to math and for children who like magic tricks and mental puzzlers."--Booklist. 128 pages, 155 b/w illus., 5 3/8 x 8 1/4.