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The history of the United States Mint and its coins
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basic math skills, interactive practice, and challenge games |
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basic math skills, puzzles, quizzes and a dictionary |
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interactive/online activities |
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a tutorial that models fractions with number lines or circles
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Animated,
interactive math dictionary for kids which explains over 500 common mathematical terms in simple language. |
Date of Last Revision: January 10, 2012
