Have you ever wondered why you need to study math? Does it bore you? What good are fractions, decimals, and angles anyway? 50 Amazing Things Kids Need to Know a

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Studies of teachers in the U.S. often document insufficient subject matter knowledge in mathematics. Yet, these studies give few examples of the knowledge teach

NEW YORK TIMES BESTSELLER • Count your way to sweet dreams with help from The Wonder Years/Great American Family star, math whiz, and author Danica McKellar!

A hilarious reeducation in mathematics-full of joy, jokes, and stick figures-that sheds light on the countless practical and wonderful ways that math structures