Addition 1
Addition 2
Addition 3
100

5 + 12 

5 + 12 =17

100

15 + 3

15 + 3 = 18

100

7 + 12

7 + 12 = 19

200

8 + 2 + 3 

8 + 2 + 3 = 13

200

18+22

18 + 22 = 40

200

37 + 26

37 + 26 = 63

300

56 + 18

56 + 18 = 74

300

57 + 3 + 3

57 + 3 + 3 = 63

300

48 + 27 

48 + 27 = 75

400

50 + 50 

50 + 50 = 100

400

37 + 44

37 + 44 = 81

400

63 + 30 

63 + 30 = 93

500

60 + 20 + 8 + 3

60 + 20 + 8 + 3 = 91

500

30 + 20 + 7 + 5

30 + 20 + 7 + 5 = 62

500

37 + 3 + 20 +2

37 + 3 + 20 + 2 = 62