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

1.24 + 3 =   26.92 + 1 =
2.21 + 7 =   27.11 + 2 =
3.80 + 1 =   28.21 + 2 =
4.1 + 6 =   29.24 + 3 =
5.81 + 5 =   30.17 + 1 =
6.64 + 4 =   31.20 + 9 =
7.84 + 1 =   32.92 + 5 =
8.81 + 8 =   33.12 + 4 =
9.86 + 1 =   34.93 + 6 =
10.92 + 2 =   35.62 + 6 =
11.81 + 2 =   36.40 + 5 =
12.65 + 3 =   37.72 + 1 =
13.13 + 2 =   38.74 + 4 =
14.46 + 3 =   39.10 + 4 =
15.6 + 2 =   40.10 + 4 =
16.80 + 4 =   41.67 + 2 =
17.21 + 1 =   42.77 + 2 =
18.57 + 1 =   43.81 + 8 =
19.4 + 4 =   44.30 + 1 =
20.27 + 2 =   45.36 + 1 =
21.11 + 6 =   46.10 + 1 =
22.47 + 2 =   47.50 + 5 =
23.43 + 2 =   48.91 + 3 =
24.84 + 2 =   49.91 + 7 =
25.51 + 8 =   50.80 + 3 =