EASY ADDITION. Be able to answer this in less than one minute.   

1.7 + 6 = ______________  26.5 + 5 = ______________
2.5 + 8 = ______________  27.9 + 9 = ______________
3.4 + 1 = ______________  28.7 + 8 = ______________
4.2 + 3 = ______________  29.7 + 8 = ______________
5.5 + 2 = ______________  30.1 + 5 = ______________
6.6 + 1 = ______________  31.8 + 1 = ______________
7.1 + 4 = ______________  32.1 + 9 = ______________
8.1 + 1 = ______________  33.6 + 5 = ______________
9.2 + 7 = ______________  34.2 + 5 = ______________
10.3 + 9 = ______________  35.3 + 4 = ______________
11.9 + 6 = ______________  36.2 + 5 = ______________
12.7 + 6 = ______________  37.2 + 9 = ______________
13.9 + 6 = ______________  38.4 + 1 = ______________
14.7 + 5 = ______________  39.7 + 8 = ______________
15.2 + 3 = ______________  40.2 + 2 = ______________
16.2 + 2 = ______________  41.6 + 9 = ______________
17.1 + 4 = ______________  42.7 + 1 = ______________
18.4 + 4 = ______________  43.9 + 7 = ______________
19.8 + 3 = ______________  44.2 + 1 = ______________
20.2 + 3 = ______________  45.4 + 7 = ______________
21.5 + 2 = ______________  46.6 + 2 = ______________
22.2 + 5 = ______________  47.3 + 7 = ______________
23.7 + 7 = ______________  48.2 + 2 = ______________
24.3 + 4 = ______________  49.9 + 1 = ______________
25.9 + 8 = ______________  50.4 + 4 = ______________