Rounding Numbers

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest ten, hundred, or other place value.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does it mean to round to the nearest 10?

Back

Rounding to the nearest 10 means finding the closest multiple of 10 to a given number.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding up?

Back

If the digit in the ones place is 5 or greater, round up to the next ten.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding down?

Back

If the digit in the ones place is less than 5, round down to the previous ten.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 48 to the nearest 10.

Back

50

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 56 to the nearest 10.

Back

60

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Which numbers round to 500? 489 or 511?

Back

Both 489 and 511 round to 500.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Which numbers round to 400? 422, 423, 424 or 295, 296, 297?

Back

422, 423, and 424 round to 400.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Which numbers will round to 700? 712 or 789?

Back

712 rounds to 700.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest ten to 34?

Back

30

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3