Rounding

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, typically by increasing or decreasing the number to the nearest specified place value.

Front

How do you round a number to the nearest ten?

Back

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

Front

What is the nearest ten to 254?

Back

250

Front

How do you round a number to the nearest hundred?

Back

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

Front

What is the nearest hundred to 1,389?

Back

1,400

Front

What is the nearest ten to 86?

Back

90

Front

How do you round 421 to the nearest hundred?

Back

Look at the tens place (2). Since it is less than 5, round down to 400.

Front

What is the nearest hundred to 421?

Back

400

Front

What is the nearest ten to 32?

Back

30

Front

What is the rule for rounding numbers?

Back

The rule for rounding numbers is to look at the digit immediately to the right of the place value you are rounding to. If that digit is 5 or more, round up; if it is less than 5, round down.