Calculators, Patterns, and Multiplying By Decimals

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Using calculators, students will note patterns when multiplying decimals.


  1. Students multiply 15 times 100, 10, 1, 0.1, and 0.01 and then predict the product of 15 × 0.001. They look for a pattern.

  2. Using the same idea from step one, students work with multiplying by 0.02 and 0.05. They're honing their pattern from step one.

  3. Finally, students practice predicting decimal multiplication problems and checking with their calculators.


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Related CCSS Math Standards

5.NBT.2, 5.NBT.5