1. We Are Learning To Add two single digits which total more than 10
Using a quick mental strategy.

2. Use what you know about number bonds to 10
The complement of 6 is … 4
The complement of 7 is…. 3
The complement of 8 is…. 2

3. Use what you know about number bonds to 10
The complement of 5 is … 5
The complement of 9 is…. 1
The complement of 2 is…. 8

4. Quick Match 5 1 8 2 3 6 4 7 5 9

5. So the answer must be one more than 10.
Adding beyond 10
I know 7+3=10
7 + 4 =?
4 is one more than 3
The answer must be 11 !
So the answer must be one more than 10.

6. So the answer must be three more than 10.
Adding beyond 10
I know 8+2=10
8 + 5 =?
5 is three more than 2
The answer must be 13 !
So the answer must be three more than 10.

7. So the answer must be six more than 10.
Adding beyond 10
I know 9+1=10
9 + 7 =?
7 is six more than 1
The answer must be 16 !
So the answer must be six more than 10.

8. Talk Us Through
9+2 =

9. Talk Us Through
5+6 =

10. Talk Us Through
7+4 =

11. Talk Us Through
8+3 =

12. When might you use this strategy ?