Rounding Decimals

Front

What is rounding?

Back

Rounding is the process of adjusting the digits of a number to make it simpler 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 looking at the first decimal place. If it's 5 or more, round up; if it's less than 5, round down.

Front

How do you round to the nearest tenth?

Back

To round to the nearest tenth, 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. To round, look at the thousandths place.

Front

Round 148.148793502 to the nearest thousandth.

Back

148.149

Front

Round 1,137.8493679 to the nearest whole number.

Back

1,138

Front

Round 113.899 to the nearest tenths.

Back

113.9

Front

Round 29.215 to the nearest hundredths.

Back

29.22

Front

Round 9.715 to the nearest hundredths.

Back

9.72

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.