Rounding to the nearest 10 and 100

Front

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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Front

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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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does it mean to round to the nearest hundred?

Back

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

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Front

How do you round a number that is exactly halfway between two multiples?

Back

If a number is exactly halfway between two multiples, round up to the next multiple.

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CCSS.3.NBT.A.1

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Front

Round 38 to the nearest ten.

Back

40

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Front

Round 48 to the nearest hundred.

Back

0

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Front

Round 58 to the nearest ten.

Back

60

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Front

Round 443 to the nearest hundred.

Back

400

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Front

Round 154 to the nearest ten.

Back

150

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Front

Round 54 to the nearest ten.

Back

50

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CCSS.4.NBT.A.3