1. How Do I Round Numbers to the Nearest 10, 100, 1000?
Rounding Numbers
How Do I Round Numbers to the Nearest 10, 100, 1000?

2. Rounding to the Nearest Ten
When rounding two digit numbers to the 10’s, always look at the digit in the one’s place.
When rounding, stay in the same ten or go up a ten.
Example: Let’s round 38 to the nearest ten.
Tens Ones
Rule #1: If my number is 4 or smaller in the ones place, I stay in the same ten.
Rule #2: If my number is 5 or bigger, I go up a ten. 38

3. 40 38 30
The eight in the one’s place is larger than 4, I go to the next ten, which is 40.

4. Let’s practice rounding, 2-digit numbers to the ten’s place.90 20 86 17 = = 80 10 60 30 54 24 = = 50 20

5. Answers: 90, 20, 20, 50
We hope you got them all correct!