Addition 1/1
Addition 1/1 digit
Addition 2/1
Addition 2/1
Addition 2/2
100

4+1

5

100

3+3

6

100

30+1

31

100

63+3

66

100

50+23

73

200

5+3

8

200

2+0

2

200

15+4

19

200

89+1

90

200

64+36

100

300

7+4

11

300

1+8

9

300

19+4

23

300

76+9

85

300

47+47

94

400

9+5

14

400

9+6

15

400

26+6

32

400

37+7

44

400

76+86

162

500

8+8

16

500

9+9

18

500

49+9

58
500

98+9

107

500

95+85

180