Show:
Addition&Subtraction to 10
Addition to 20
Subtraction to 20
Mixed Practice
Mixed Practice
100

2+4=

6

100

6+6=

12

100

15-10=

5

100

13-5=

8

100

12+5=

17

200

5+5=

10

200

10+4=

14

200

14-7=

7

200

20-5=

15

200

8+8=

16

300

7-3=

4

300

7+8=

15

300

20-2=

18

300

14+8=

22

300

16-10=

6

400

3+6=

9
400

9+7=

16

400

17-9=

8

400

10+10=

20

400

6+4=

10

500

9-5=

4

500

12+5=

17

500

18-7=

11

500

18-4=

14

500

19-8=

11