Mental Math Strategy:

Subtraction Bridge 10-8 All AdditionGr. 3

16 - 8 =

2 + 4 =

13 - 9 =

3 + 5 =

10 - 8 =

7 - 6 =

6 + 8 =

17 - 8 =

10 - 7 =

3 - 2 =

11 - 8 =

7 + 7 =

9 - 9 =

8 + 9 =

14 - 9 =

18 - 8 =

9 + 9 =

5 - 2 =

11 - 9 =

10 - 4 =

7 + 9 =

9 - 8 =

12 - 9 =

7 + 8 =

15 - 8 =

16 - 9 =

4 + 6 =

8 - 8 =

3 + 4 =

18 - 9 =

15 - 9 =

6 + 7 =

14 - 8 =

2 - 2 =

5 + 7 =

10 - 9 =

5 - 4 =

8 + 8=

13 - 8 =

10 - 6 =

19 - 9 =

5 + 6 =

12 - 8 =

4 + 5 =

17 - 9 =