Multiplying Decimals by Whole Numbers 7/9/25

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What is the main concept when multiplying decimals?

Multiply normally, then move the decimal at the end

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Do you line up decimals when multiplying?

No, NEVER line up decimal points when multiplying

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Example problem

16.76 × 8

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Step 1: Ignore the decimal

Multiply like whole numbers

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8 × 6

48 → write 8, carry 4

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8 × 7

56 + 4 = 60 → write 0, carry 6

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8 × 6

48 + 6 = 54 → write 4, carry 5

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8 × 1

8 + 5 = 13 → final product without decimal = 13408

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Step 2: Count decimal places

16.76 has 2 decimal places

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How many decimal places to move?

2 places from the right

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Final answer of 16.76 × 8

134.08 ✅

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