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Multiplying Decimals

Multiplying Decimals

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Multiplying Decimals

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  1. Multiplying Decimals 1. Multiply 2. Move the decimal

  2. Multiply Decimals • Step 1 --- Ignore the decimal • Step 2 --- Rewrite the problem • Step 3 --- Multiply the problem • Step 4 --- Underline all numbers to the right of decimal(s) in original problem • Step 5 --- Move decimal that many places left in your answer

  3. Ignore decimals and rewrite the problem 4 . 5 6 X 0 . 3 9 4 5 6 x 3 9 Steps 1 & 2

  4. Step 3 • Multiply problem without decimals 4 5 6 x 3 9 4 1 0 4 + 1 3 6 8 0 1 7 7 8 4

  5. Step 4 • Underline numbers to the right of decimals in original problem 4. 5 6 x 0. 3 9 --------------- ( 4 places)

  6. Step 5 • Move decimal that many places left in answer • 4 5 6 • x 3 9 • 4 1 0 4 • + 1 3 6 8 0 • 1 7 7 8 4 ( 4 places)