1. Do I Need To Regroup?

2. If there is more on the floor, then go next door and borrow ten more.
Do I Need To Regroup?
Remember– Look at the sign!
If it is a subtraction problem, say this poem while looking at the ones column.
If there is more on top, no need to stop.
If there is more on the floor, then go next door and borrow ten more.

3. Do I Need To Regroup?
46 29
Yes!

4. Do I Need To Regroup?
82 47
Yes!

5. Do I Need To Regroup?
56 28
Yes!

6. Do I Need To Regroup?
69 28
No!

7. Do I Need To Regroup?
85 40
No!

8. Do I Need To Regroup?
70 43
Yes!

9. Do I Need To Regroup?
77 43
No!

10. Do I Need To Regroup?
21 18
Yes!