Rounding Numbers

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, while keeping its value close to what it was.

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

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.4.NBT.A.3

CCSS.3.NBT.A.1

Front

How do you round a number ending in 5?

Back

If a number ends in 5, you round up to the next whole number.

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

Front

Round 354 to the nearest ten.

Back

350

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

Front

What is the greatest possible number when rounding 450 to the nearest ten?

Back

459

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

Front

Round 1.323 to the nearest ten.

Back

1.320

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CCSS.5.NBT.A.4

Front

What is the rule for rounding to the nearest hundred?

Back

Look at the tens digit: if it's 5 or more, round up; if it's less than 5, round down.

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

Front

Round 351 to the nearest thousand.

Back

1,000

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

Front

Round 21.653 to the nearest hundred.

Back

21.700

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CCSS.5.NBT.A.4

Front

What is the nearest ten to 67?

Back

70

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1