1. Rounding numbers! Miss McNicholl Friday 11 th March 2011

2. How long did it take you to go to school today?

3. Learning Objective Round numbers to the nearest ten and one hundred!

4. This is Rodger Rabbit. He always forgets where he’s suppose to go!

5. Rodger Rabbit starts at 14, round this number to the nearest ten. 20 10 14

6. Rodger Rabbit starts at 19, round this number to the nearest ten. 20 10 19

7. Rodger Rabbit starts at 35, round this number to the nearest ten. 4030 35

8. Can you think of some rules for rounding? Which numbers round down? Which numbers round up? What about numbers ending in five?

9. Rounding to 100! 200 100 Rodger Rabbit starts at 139, round this number to the nearest hundred. 136 150

10. Rounding to 100! 200 100 Rodger Rabbit starts at 178, round this number to the nearest hundred. 178 150

11. Rounding to 100! 500 400 Rodger Rabbit starts at 455, round this number to the nearest hundred. 455 450