Show:
Addition
Addition 2 Digit
Subtraction
Subtraction 2 Digit
Missing addends
100

12+15

27

100
25 + 10
35
100

14 - 3

9

100

20 - 10

10

100

5+____=20

15

200

8+8

16

200

65+14

79

200

27 - 4

23

200
21 - 18
3
200

45-_____=12

33

300

30+25

55

300

25 + 16

41

300

70-5

65
300

26 - 18

8

300

____+23=62

39

400
20 + 6
26
400

36+15

51

400

18 - 9

9

400

85-16

69

400

48-_______=32

16

500
29 + 7
36
500

48+39

87

500

34-8

26

500

64-29

35

500

_____+48=84

36