Adding and Subtracting Decimals

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9.87

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23.91

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0.549

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1234.451

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11.676

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Define decimals.

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Decimals are numbers that have a whole number part and a fractional part, separated by a decimal point.

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What does it mean to add decimals?

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Adding decimals involves aligning the decimal points and adding the numbers as you would with whole numbers.

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What does it mean to subtract decimals?

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Subtracting decimals involves aligning the decimal points and subtracting the numbers as you would with whole numbers.

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How do you align decimals when adding or subtracting?

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You write the numbers one above the other, ensuring the decimal points are in the same vertical line.

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What is the importance of place value in decimal addition and subtraction?

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Place value helps in correctly aligning the numbers and ensuring accurate calculations.