3rd Grade Rounding Review

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, hundred, or other place value.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

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

If a number is 37, what is it when rounded to the nearest ten?

Back

40

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CCSS.4.NBT.A.3

Front

What is the rule for rounding up?

Back

If the digit in the ones place is 5 or greater, round up.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding down?

Back

If the digit in the ones place is less than 5, round down.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round the number 44 to the nearest ten?

Back

44 rounds to 40.

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Front

What is the total of 53 and 34?

Back

87

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CCSS.2.NBT.B.5

Front

If you have 875 and 436, what is their total?

Back

1,311

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CCSS.3.NBT.A.2

Front

Which number does not round to 400: 405, 366, 443, or 467?

Back

467 does not round to 400.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the estimated total length of 27, 44, and 18 inches when rounded to the nearest ten?

Back

90 inches.