Addition

Instructions: Find the sum.

0 + 0 =   5 + 0 =   2 + 2 =     3 + 0 =   0 + 1 =   4 + 0 =     2 + 3 =   2 + 1 =   0 + 3 =     3 + 2 =   3 + 1 =   1 + 3 =     1 + 4 =   0 + 4 =   2 + 0 =     4 + 1 =   1 + 1 =   0 + 2 =