Rounding whole numbers

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was.

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CCSS.3.NBT.A.1

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Front

What is the rule for rounding to the nearest ten?

Back

If the digit in the ones place is 5 or greater, round up. If it is less than 5, round down.

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CCSS.3.NBT.A.1

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Front

What is the rule for rounding to the nearest hundred?

Back

If the digit in the tens place is 5 or greater, round up. If it is less than 5, round down.

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CCSS.3.NBT.A.1

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Front

What is 35 rounded to the nearest ten?

Back

40

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Front

What is 753 rounded to the nearest ten?

Back

750

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Front

What is 753 rounded to the nearest hundred?

Back

800

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CCSS.3.NBT.A.1

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Front

Can a number like 102 be a rounded number?

Back

No, 102 cannot be a rounded number because it is not a multiple of ten or hundred.

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CCSS.3.NBT.A.1

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Front

When rounding $48 to the nearest ten, what is the result?

Back

$50

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Front

What is the nearest hundred to 149?

Back

100

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Front

What is the difference between rounding to the nearest ten and rounding to the nearest hundred?

Back

Rounding to the nearest ten focuses on the ones place, while rounding to the nearest hundred focuses on the tens place.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3