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.

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.

Front

How do you round a number to the nearest tenth?

Back

Look at the hundredths place. If it's 5 or more, add 1 to the tenths place. If it's less than 5, keep the tenths place the same.

Front

What is the nearest hundredth?

Back

The nearest hundredth is the second digit to the right of the decimal point.

Front

How do you round 0.456 to the nearest hundredth?

Back

Look at the thousandths place (6). Since it's 5 or more, round up to 0.46.

Front

Round 3.14159 to the nearest hundredth.

Back

3.14

Front

What is the rule for rounding up?

Back

If the digit to the right of the place you are rounding to is 5 or greater, round up.

Front

What is the rule for rounding down?

Back

If the digit to the right of the place you are rounding to is less than 5, round down.

Front

Round 7.845 to the nearest tenth.

Back

7.8

Front

Round 12.999 to the nearest whole number.

Back

13