Study

Add and Subtract within 20

0%

0 0 0

15+3=______

18

15 + 3 =

18

20 - 8 =

12

_______ - 13 = 7

20

9+9=_______

18

13+______=19

6

14-8=_______

6

11-9=______

2

12-7=_____

5

19 - 4 =

15

17 - 2 =

15

16 - 3 =

13

_______ - 2 = 13

15

10 + 5 =

15

14 + 5 =

19

5+8=______

13

12+4=_____

16

____+11=16

5

11 + 5 =

16

20-18=______

2

18 - ______ = 14

4

14 - 6 =

8

20-6=______

14

7 - _____= 4

3

4+6=_______

10

12 - 8 =

4

15 - _______ = 9

6

16 + 4 =

20

______+17=19

2

8+______=20

12

10 + 3 =

13

12 + 6 =

18

3+______=11

8

17 + 1 =

18

18 - 5 =

13