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add and subtract

English 16 Public

How fast can you add and subtract?

Study Slideshow

3 + 2 = ___

5

15

7 + 2 = ___

9

15

5 + 5 + ____

10

15

6 + 2 = ____

8

15

1+ 4 = ___

5

15

5 - 2 = ____

3

15

9 - 3 = ___

6

15

4 - 3 = ___

1

15

10 - 4 = ___

6

15

6 - 0 = ___

6

15

3 + 2 = ___

5

15

6 + 3 = ___

9

15

4 + 1 = ____

5

15

9- 2 = ____

7

15

10 - 3 = ___

7

15

1 + 5 = ___

6

15