Rounding

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest ten, hundred, or other place value.

To round a number to the nearest ten, look at the digit in the ones place. If it is 5 or more, round up. If it is 4 or less, round down.

750

7,000

To round a number to the nearest hundred, look at the digit in the tens place. If it is 5 or more, round up. If it is 4 or less, round down.

670

700

10

The purpose of rounding numbers is to simplify calculations and make numbers easier to understand.

If the digit is 5, you round up to the next whole number.