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

1.70 + 8 = ______________  26.66 + 3 = ______________
2.3 + 4 = ______________  27.21 + 1 = ______________
3.47 + 2 = ______________  28.45 + 3 = ______________
4.50 + 6 = ______________  29.90 + 3 = ______________
5.37 + 1 = ______________  30.76 + 3 = ______________
6.72 + 7 = ______________  31.16 + 1 = ______________
7.53 + 5 = ______________  32.50 + 9 = ______________
8.30 + 1 = ______________  33.31 + 7 = ______________
9.94 + 5 = ______________  34.22 + 6 = ______________
10.83 + 5 = ______________  35.70 + 5 = ______________
11.33 + 5 = ______________  36.10 + 1 = ______________
12.45 + 3 = ______________  37.78 + 1 = ______________
13.5 + 2 = ______________  38.15 + 3 = ______________
14.30 + 1 = ______________  39.60 + 3 = ______________
15.11 + 7 = ______________  40.42 + 5 = ______________
16.81 + 1 = ______________  41.32 + 6 = ______________
17.23 + 2 = ______________  42.3 + 6 = ______________
18.43 + 2 = ______________  43.55 + 3 = ______________
19.53 + 3 = ______________  44.15 + 4 = ______________
20.11 + 1 = ______________  45.73 + 1 = ______________
21.74 + 3 = ______________  46.91 + 2 = ______________
22.13 + 2 = ______________  47.1 + 7 = ______________
23.1 + 4 = ______________  48.4 + 4 = ______________
24.24 + 5 = ______________  49.82 + 6 = ______________
25.1 + 6 = ______________  50.73 + 2 = ______________