rounding 10 and 100

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 or hundred.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does it mean to round to the nearest ten?

Back

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

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does it mean to round to the nearest hundred?

Back

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

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round a number that is exactly halfway between two multiples?

Back

If a number is exactly halfway between two multiples, round up to the next multiple.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 238 to the nearest ten.

Back

240

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 1,464 to the nearest ten.

Back

1,460

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 33 to the nearest ten.

Back

30

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 790 to the nearest hundred.

Back

800

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Which number does NOT round to 400 when rounding to the nearest hundred: 409, 445, 345, 398?

Back

345

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest ten to 45?

Back

50

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3