Write the answers to the addition questions below (the first one is done for you).
12 + 3 = 15
12 + 4 = 16
12 + 5 = 17
14 + 5 = 19
14 + 4 = 18
15 + 3 = 18
15 + 2 = 17
17 + 1 = 18
13 + 1 = 14
19 + 0 = 19
11 + 6 = 17
12 + 6 = 18
3 + 15 = 18
4 + 12 = 16
15 + 0 = 15
6 + 12 = 18
13 + 4 = 17
0 + 14 = 14
14 + 3 = 17
5 + 14 = 19
2 + 14 = 16
10 + 3 = 13