Sample Picture Addition

1.
  1       +        2 =
2.
  1       +          3 =
3.
        2               +                  4 =
4.
          2             +                    2 =
5.
                 3               +                        3 =
6.
                                7               +                    2 =
7.
                                8               +                      1 =
8.
        3               +              2 =
9.
                                4               +                    2 =
10.
        2               +              5 =