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Subtraction to 20

English 16 Public

Subtracting numbers within 20

Study Slideshow

#1st grade

14-3

11

5

12-5

7

5

9-4

5

5

18-4

14

5

10-6

4

5

11-5

6

5

15-5

10

5

17-2

15

5

13-9

4

5

8-3

5

5

11-11

0

5

12-2

10

5

18-9

9

5

6-3

3

5

15-8

7

5

20-4

16

5