Rounding to the nearest 10

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What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified value, usually to make it simpler or easier to work with.

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What is the nearest ten for the number 45?

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50

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What is the nearest ten for the number 22?

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20

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Which number rounds to 80 when rounded to the nearest ten?

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Numbers from 75 to 84 round to 80.

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CCSS.3.NBT.A.1

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Which number does not round to 80 when rounded to the nearest ten?

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73 does not round to 80.

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CCSS.3.NBT.A.1

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Front

What is the nearest ten for the number 101?

Back

100

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Front

Which number rounds to 50 when rounded to the nearest ten?

Back

Numbers from 45 to 54 round to 50.

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CCSS.3.NBT.A.1

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Front

What is the rule for rounding numbers?

Back

If the last digit is 5 or more, round up. If it is 4 or less, round down.

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CCSS.3.NBT.A.1

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Front

What is 76 rounded to the nearest ten?

Back

80

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Front

What is 83 rounded to the nearest ten?

Back

80

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