Show:
Simple Addition
Addition
Subtraction
Simple Subtraction
Mixed
100

34+24

58

100

 34+12

46

100

37-14

23

100

26-17

9

100

87+90

177

200

 72+73

145

200

 11+17

28

200

68-27

31

200

49-28

21

200

87-56

31

300

98+79

177

300

54+42

96

300

 77-16

61

300

84-69

15

300

89+30

110

400

 15+41

56

400

45+23

68

400

87-60

17

400

365-65

100

400

32-11

21

500

 21+27

48

500

 72+13

85

500

62-21

41

500

57-25

32

500

81+18

99