Rounding Decimals

Front

What is rounding in mathematics?

Back

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

Front

How do you round a number to the nearest hundredth?

Back

To round to the nearest hundredth, look at the third decimal place. If it's 5 or greater, round the second decimal place up by one. If it's less than 5, keep the second decimal place the same.

Front

What is the nearest whole number to 1.823?

Back

The nearest whole number to 1.823 is 2.

Front

What is the nearest hundredth to 0.432?

Back

The nearest hundredth to 0.432 is 0.43.

Front

What is the nearest hundredth to 5.592?

Back

The nearest hundredth to 5.592 is 5.59.

Front

What is the nearest hundredth to 72.178?

Back

The nearest hundredth to 72.178 is 72.18.

Front

What is the nearest whole number to 29.711?

Back

The nearest whole number to 29.711 is 30.

Front

What is the rule for rounding up?

Back

The rule for rounding up is that if the digit to the right of the place value you are rounding to is 5 or greater, you increase the digit in the place value you are rounding to by one.

Front

What is the rule for rounding down?

Back

The rule for rounding down is that if the digit to the right of the place value you are rounding to is less than 5, you keep the digit in the place value you are rounding to the same.