Rounding

Front

What is rounding?

Back

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.

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 more, round up. If it is 4 or less, round down.

Front

Round 38 to the nearest ten.

Back

40

Front

Round 23 to the nearest ten.

Back

20

Front

Round 394 to the nearest ten.

Back

390

Front

What is the nearest hundred to 344?

Back

300

Front

Round $631 to the nearest hundred.

Back

$600

Front

What is the rule for rounding up?

Back

If the digit in the place value to the right is 5 or more, round up.

Front

What is the rule for rounding down?

Back

If the digit in the place value to the right is 4 or less, round down.

Front

Estimate 48 to the nearest ten.

Back

50