Rounding Whole Numbers

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified place value (like tens, hundreds, etc.) to make it simpler or easier to work with.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest tens place of 45?

Back

50

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest hundreds place of 95?

Back

100

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is 1,384 rounded to the nearest 10?

Back

1,380

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is 55,555 rounded to the thousands place?

Back

56,000

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest tens place of 4?

Back

0

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

When rounding, what digit do you look at to decide whether to round up or down?

Back

You look at the digit to the right of the place value you are rounding to.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

If the digit to the right is 5 or greater, what do you do?

Back

Round up the number.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

If the digit to the right is less than 5, what do you do?

Back

Round down the number.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest hundreds place of 150?

Back

200

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3