Rounding: Nearest 10 or 100

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What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest ten or hundred.

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What does it mean to round to the nearest ten?

Back

Rounding to the nearest ten means finding the closest multiple of ten to a given number.

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What is the nearest ten to 76?

Back

80

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What is the nearest ten to 732?

Back

730

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What are benchmark numbers?

Back

Benchmark numbers are easy-to-remember numbers that help us estimate and round numbers.

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If a number is 76, which two benchmark numbers is it between?

Back

70 and 80

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What is the rule for rounding up?

Back

If the last digit is 5 or more, round up to the next ten or hundred.

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What is the rule for rounding down?

Back

If the last digit is 4 or less, round down to the previous ten or hundred.

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What is 546 rounded to the nearest hundred?

Back

500

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If you are rounding to the nearest ten, which numbers round to 60?

Back

50, 51, 52, 53, 54, 55, 56, 57, 58, 59 round to 60.

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