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Addition and Subtraction (Find the unknown numbe ...

English 28 Public

Addition and subtraction practice

Study Slideshow

3 + ? = 8

5

15

8 - ? = 4

4

15

6 + 7 = ?

13

15

15 - ? = 6

9

15

9 + 6 = ?

15

15

24 - ? = 18

6

15

6 + 18 = ?

24

15

? + 7 = 18

11

15

18 - 7 = ?

11

15

5 + ? = 13

8

15

13 - 8 = ?

5

15

12 - ? = 6

6

15

11 - 3 = ?

8

15

8 + ? = 11

3

15

3 + ? = 11

8

15

12 - ? = 9

3

15

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