Rounding Decimals

Front

What is rounding?

Back

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

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 0.5 or higher, round up; if it's less than 0.5, round down.

Front

Round 72.178 to the nearest hundredth.

Back

72.18

Front

Round 29.711 to the nearest whole number.

Back

30

Front

Round 3.572 to the nearest tenth.

Back

3.6

Front

Round 5.592 to the nearest hundredth.

Back

5.59

Front

Round 47.941 to the nearest one.

Back

48

Front

What is the nearest tenth?

Back

The nearest tenth is the first digit to the right of the decimal point. For example, in 3.572, the nearest tenth is 3.6.

Front

What is the nearest hundredth?

Back

The nearest hundredth is the second digit to the right of the decimal point. For example, in 5.592, the nearest hundredth is 5.59.

Front

How do you determine which way to round?

Back

Look at the digit immediately to the right of the place value you are rounding to. If it's 5 or more, round up; if it's less than 5, round down.