Numbers game: America's struggle to make math fun

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Catherine Berent, 9, rides a square wheeled tricycle in the Math Midway exhibit at the Boonshoft Museum of Discovery in Dayton, Ohio, April 10, 2012. Embarrassed by the dismal performance of U.S. students on international math exams, entrepreneurs and educators are launching drives to make math fun, engaging, and exciting. REUTERS/Skip Peterson