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1st Grade Addition and Subtraction to 20

English 15 Public

1st Grade Addition and Subtraction to 20

Study Slideshow

4 + 4

8

15

5 + ___ = 9

4

15

12 - 2

10

15

15-3

12

15

3 + 8

11

15

20 - ____ = 15

5

15

30 - 10 =

20

15

3 + 9

12

15

5 + ___ = 5

0

15

1 + 3 = 3 + ____

1

15

4 + 3

7

15

7 + 2 = ___ + 7

2

15

6 + 5

11

15

7 + 6

13

15

9 - 8

1

15