Rounding to Nearest 10 & 100

Front

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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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round the number 72 to the nearest ten.

Back

70

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CCSS.4.NBT.A.3

Front

Round 555 to the nearest ten.

Back

560

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CCSS.4.NBT.A.3

Front

Round the number 93 to the nearest ten.

Back

90

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CCSS.4.NBT.A.3

Front

Round the number 154 to the nearest ten.

Back

150

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CCSS.4.NBT.A.3

Front

Round 912 to the nearest ten.

Back

910

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CCSS.4.NBT.A.3

Front

What is the rule for rounding to the nearest ten?

Back

If the last digit is 5 or more, round up. If it is 4 or less, round down.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest ten to 84?

Back

80

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CCSS.4.NBT.A.3

Front

What is the nearest hundred to 245?

Back

200

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 378 to the nearest hundred.

Back

400

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3