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What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified value, such as the nearest ten or hundred.

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What is the nearest ten of 45?

Back

50

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What is the nearest hundred of 250?

Back

300

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If a number is 567, what is it rounded to the nearest hundred?

Back

600

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What is the rule for rounding up?

Back

If the digit in the place value to the right is 5 or more, round up.

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What is the rule for rounding down?

Back

If the digit in the place value to the right is less than 5, round down.

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Round 234 to the nearest ten.

Back

230

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Round 789 to the nearest hundred.

Back

800

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What two benchmark numbers is 546 between?

Back

540 and 550

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If a number rounds to 800, what could the original number be?

Back

Any number from 750 to 849.

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