Rounding Numbers Flashcard

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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Front

What does it mean to round a number to the nearest ten?

Back

Rounding a number to the nearest ten means adjusting it to the closest multiple of ten.

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Front

How do you determine whether to round up or down?

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 rounded value of 64 to the nearest ten?

Back

60

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Front

What is the rounded value of 89 to the nearest ten?

Back

90

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Front

What is the rounded value of 75 to the nearest ten?

Back

80

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Front

Identify the place value of the digit 5 in the number 358.

Back

Tens

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CCSS.4.NBT.A.1

Front

What is the place value of the digit 4 in the number 740?

Back

Hundreds

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CCSS.4.NBT.A.1

Front

How do you round the number 23 to the nearest ten?

Back

23 rounds to 20.

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CCSS.3.NBT.A.1

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Front

What is the rounded value of 47 to the nearest ten?

Back

50

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