plus
Easy
Median
Hard
Really Hard
100

what is 4+50

54


100

what is 7+50

57

100
what is 3+80

83

100

what is 10+70 

80

100

what is 152+102

254

200

what is 4+20

24


200

what is 7+80

87

200

what is 5+70

75

200

what is 80+30

110

200

what is 720+139

841

300

what is 5+10

15

300

what is 4+40

44

300
what is 5+90

95

300

what is 30+50

80

300

what is 854+130

984

400

what is 9+90

99

400

what is 8+70

78


400

what is 2+60

62

400

what is 50+80

130

400

what is 220+542

762


500

what is 8+28

28

500
what is 5+40

45

500

what is 6+90

96


500

what is 30+40

70

500

what is 833+104

937