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.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does it mean to round to the nearest whole number?

Back

Rounding to the nearest whole number means adjusting a decimal number to the closest whole number. If the decimal is .5 or higher, round up; if it's less than .5, round down.

Tags

CCSS.5.NBT.A.4

Front

What is the nearest tenth?

Back

The nearest tenth is the first digit to the right of the decimal point. For example, in 4.5, the '5' is in the tenths place.

Tags

CCSS.5.NBT.A.4

Front

How do you round 4.5 to the nearest tenth?

Back

4.5 rounds to 4.5 because it is already at the tenths place.

Tags

CCSS.5.NBT.A.4

Front

What is the rule for rounding decimals?

Back

If the digit after the place you are rounding to is 5 or greater, round up. If it is less than 5, round down.

Tags

CCSS.5.NBT.A.4

Front

Round 5.67 to the nearest tenth.

Back

5.67 rounds to 5.7.

Tags

CCSS.5.NBT.A.4

Front

What is the nearest hundredth?

Back

The nearest hundredth is the second digit to the right of the decimal point. For example, in 3.25, the '5' is in the hundredths place.

Tags

CCSS.5.NBT.A.4

Front

Round 3.257 to the nearest hundredth.

Back

3.257 rounds to 3.26.

Tags

CCSS.5.NBT.A.4

Front

Which number does NOT round to 35? 34.72, 34.156, 35.49, 35.16

Back

34.156 does NOT round to 35.

Tags

CCSS.5.NBT.A.4

Front

What is the significance of the digit 5 in rounding?

Back

The digit 5 is the cutoff point for rounding up or down. It determines whether to round up or keep the number the same.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3