Decimal Operations

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14100

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560.17

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2.8

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0.42

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2.28

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Define decimal operations.

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Decimal operations involve calculations (addition, subtraction, multiplication, division) using decimal numbers.

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What is the place value of 7 in the number 3.47?

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The place value of 7 in 3.47 is 7 tenths or 0.7.

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How do you multiply a decimal by a whole number?

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Multiply as if they are whole numbers, then count the total number of decimal places in both numbers and place the decimal in the result.

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What is the rule for adding decimals?

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Align the decimal points and add as you would with whole numbers.

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0.75