1. Objective: TLW round numbers to the nearest 10 or 100. GLE# 12
Math Flash Rounding
Objective: TLW round numbers to the nearest 10 or 100.
GLE# 12

2. Use rounding When the question asks you to estimate.
“about how many”…?
When an exact answer isn’t
possible.
When an answer is difficult to obtain.

3. Find your number. Look right next door. 4 or less just ignore.
Memorize this Poem
Find your number.
Look right next door.
4 or less just ignore.
5 or more, add 1 more.

4. Round this number to the nearest tens.
Find your number.
6 8
Circle the number in the tens
place.

5. Round this number to the nearest tens.
Look right next door.
6 8
Draw an arrow to the right of the
number.

6. Round this number to the nearest tens .
4 or less, just ignore.
6 8
8 is larger than 4 so go to the next
line of the poem.

7. Round this number to the nearest tens.
5 or more, add 1 more. +1
6 8
Add 1 to the 6.

8. Round this number to the nearest tens.
5 or more, add 1 more.
7 0
Add 1 to the 6 and all the numbers
to the right of the 7 become 0’s.

9. The Answer
68 rounded to the nearest tens is
7 0

10. Round this number to the nearest hundred.
Find your number.
3 2 7
Circle the number in the hundreds
place.

11. Round this number to the nearest hundred.
Look right next door.
3 2 7
Draw an arrow to the right of the
number.

12. Round this number to the nearest hundred.
4 or less, just ignore.
3 2 7
Since 2 is less than 4 we do not change
the 3.

13. Round this number to the nearest thousand.
4 or less, just ignore.
3 0 0
Change the numbers to right of 3 to 0’s.

14. The Answer
327 rounded to the nearest hundred is
300

15. Round this number to the nearest dollar.
Find your number. $
Circle the number where the dollars
are.

16. Round this number to the nearest dollar.
Look right next door. $
Draw an arrow to the right of the
circled number.

17. Round this number to the nearest dollar.
4 or less, just ignore. $
8 is greater than 4 so go to the next
line of the poem.

18. Round this number to the nearest dollar.
5 or more, add 1 more. +1 $
Since 8 is greater than 5 add 1 to the 5.

19. Round this number to the nearest dollar.
5 or more, add 1 more. $
Change the 5 to a 6 and change all the
numbers to the right to 0’s.

20. The Answer
$5.87 rounded to the
nearest dollar is $

21. Round this number to the nearest hundreds place.
Find your number.
8 7 1
Circle the number in the hundreds place.

22. Round this number to the nearest hundreds place.
Look right next door.
8 7 1
Draw an arrow to the right of the
circled number.

23. Round this number to the nearest hundreds place.
4 or less just ignore.
8 7 1
7 is greater than 4 so go to the next
line of the poem.

24. Round this number to the nearest hundreds place.
5 or more, add 1 more. +1
8 7 1
Since 7 is greater than 5, add 1 to the 8.

25. Round this number to the nearest hundreds place.
5 or more, add 1 more.
900
Change the 8 to a 9 and all the numbers to the right change to zeros.

26. The Answer
871 rounded to the nearest hundreds place is
900

27. Remember the poem Find your number. Look right next door.
4 or less, just ignore.
5 or more, add 1 more.