Show:
One digit addition
two digit addition
two digit addition
one digit addition
100
6+4=
10
100

32+4=

36

100

43+5=

58

100
3+7=
10
200
8+8=
16
200

7+28=

35

200

22+7=

29

200
8+6=
14
300
9+3
12
300

56+8=

64

300

71+3=

74

300
3+3=
6
400
4+5=
9
400

79+10=

89

400

72+25=

97

400
9+0=
0
500
7+2=
9
500

66+6=

72

500

7+33=

40

500
5+7=
12