Subcategories

• C1

  Converting Between Decimals and Percents

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• C2

  Percent Changes in Price

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• C3

  Difference of Squares

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• C4

  Trick for Multiplying Numbers Ending in 5

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• Y1

  Compound Percent Change, Repeated Squaring

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• Y2

  Expanding (x + y)²

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• Y3

  Small-Number Approximations

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• Y4

  Application to Computer Data Storage

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