On the Back! - 4th Grade

Reteach to Build
Understanding
Name
1-4
1. Rounding is a way to find a simpler number that is close in value.
Circle two numbers that are closest
to 392,153.
390,000 300,000 400,000
92,153  90,000  153
2. To round a number, find the place value to which the number will
be rounded. Look at the digit to the right of the rounding place.
• I f the digit to the right of the rounding place is less than 5, leave
the rounding digit alone and change the digits to the right of
the rounding place to zeros.
• If the digit to the right of the rounding place is 5 or more, add 1 to the rounding place and change the digits to the right of
the rounding place to zeros.
Look at the number 392,153.
Which digit is in the ten thousands place?
To the right of the ten thousands place is the
The digit in that place is
place.
.
Round 392,153 to the nearest ten thousand.
3. You can also round to other places.
Which digit is in the hundred thousands place?
To the right of the hundred thousands place is the
The digit in that place is
place.
.
Round 392,153 to the nearest hundred thousand.
On the Back!
4. Round 592,655 to the nearest hundred.
Then round 592,655 to another place of your choice.
R 1•4
Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. 4