Rounding Whole Numbers

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler and easier to work with, while keeping its value close to what it was.

Front

How do you round a number to the nearest hundred?

Back

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

Front

What is the result of rounding 178 to the nearest hundred?

Back

200

Front

How do you round a number to the nearest ten?

Back

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

Front

What is the result of rounding 459 to the nearest ten?

Back

460

Front

What is the result of rounding 874 to the nearest ten?

Back

870

Front

What is the purpose of rounding numbers?

Back

The purpose of rounding numbers is to simplify calculations and provide an estimate that is easier to work with.

Front

When rounding, what do you do if the digit to the right of the rounding place is 5 or greater?

Back

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

Front

When rounding, what do you do if the digit to the right of the rounding place is less than 5?

Back

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

Front

What is the result of rounding 4 to the nearest ten?

Back

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