2.1 - Mental Math
20.75 + 18.25 =
39
3.4 + 7.1 =
10.5
7.8 - 4.9 =
2.9
$3.47 + $4.35 =
$7.82
3.18 + 6.50 =
9.68
87.2 + 3.9 =
91.1
7.21 - 6.1 =
1.11
9.04 - 6.98 =
2.06
7.1 + 2.9 + 3 =
13
576 + 94.6 =
670.6
85.22 - 43.5 =
41.72
11.39 + 14.27 =
25.66
34.7 + 46.3 =
81
8.1 + 4.1 + 3.3 =
15.5
20.60 - 14.35 =
6.25
35.7 - 14.8 =
20.9
30.25 + 5.75 + 2.10 =
38.10
3.82 + 4.1 + 3.3 =
11.22
23.6 - 8.27 =
15.33
4.02 + 0.19 + 16.48=
20.69