Addition 1
Addition 2
Subtraction 1
Subtraction 2
100

9+7=

16

100

8+6=

14

100

8-2=

6

100

12-7=

5

200

10+13=

23

200

5+8=

13

200

25-14=

11

200

45-33=

12

300

16+25=

41

300

35+12=

47

300

36-18=

18

300

45-22=

23

400

50+35=

85

400

75+25

100

400

72-48=

24

400

37-28=

9

500

9+4+7

20

500

15+8+12=

35

500

55-13-7

35

500

65-21-4=

40