Rounding Decimals

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, while keeping its value close to what it was.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does it mean to round to the nearest tenth?

Back

Rounding to the nearest tenth means looking at the number in the hundredths place to decide whether to round up or down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does it mean to round to the nearest hundredth?

Back

Rounding to the nearest hundredth means looking at the number in the thousandths place to decide whether to round up or down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is 3.436 rounded to the nearest hundredth?

Back

3.44

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CCSS.5.NBT.A.4

Front

What is 47.941 rounded to the nearest tenth?

Back

47.9

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CCSS.5.NBT.A.4

Front

What is 69.87 rounded to the nearest whole number?

Back

70

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CCSS.5.NBT.A.4

Front

What is 23.542 rounded to the nearest tenth?

Back

23.5

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CCSS.5.NBT.A.4

Front

Which number rounds to 4.5 when rounded to the nearest tenth?

Back

4.52

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CCSS.5.NBT.A.4

Front

What is the rule for rounding up?

Back

If the digit in the place to the right is 5 or more, round up.

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 place to the right is less than 5, round down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3