ROUNDING

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. It often involves increasing or decreasing the number to the nearest specified place value.

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CCSS.4.NBT.A.3

Front

How do you round a number to the nearest hundred?

Back

To round a number to the nearest hundred, look at the digit in the tens place. If it 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 result of rounding 293 to the nearest hundred?

Back

300

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Front

How do you round a number to the nearest ten?

Back

To round a number to the nearest ten, look at the digit in the ones place. If it is 5 or greater, round up; if it is less than 5, round down.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the result of rounding 28 to the nearest ten?

Back

30

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Front

What does it mean to round a number up?

Back

Rounding a number up means increasing it to the next higher value based on the rounding rules.

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CCSS.3.NBT.A.1

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Front

What does it mean to round a number down?

Back

Rounding a number down means decreasing it to the next lower value based on the rounding rules.

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CCSS.3.NBT.A.1

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Front

If a number is exactly halfway between two rounding options, how is it typically rounded?

Back

It is typically rounded up to the higher option, but this can depend on specific rounding rules being applied.

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CCSS.3.NBT.A.1

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Front

What is the result of rounding 1,457 to the nearest hundred?

Back

1,500

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the significance of place value in rounding?

Back

Place value determines which digit to look at when rounding and how to adjust the number accordingly.

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CCSS.3.NBT.A.1

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