Addition
Mental Math
5 + 5 + 5 =
15
MENTAL MATH
5 - 1 =
4
MENTAL MATH
5 + 1 - 3 =
3
Mental Math
50 + 50 + 10 =
110
MENTAL MATH
16 - 10 =
6
MENTAL MATH
8 + 8 - 10 =
6
Mental Math
10 + 40 + 30 =
80
MENTAL MATH
50 - 9 =
41
MENTAL MATH
5 + 14 - 3 =
16
Mental Math
10 + 23 =
33
MENTAL MATH
25 - 15 - 1 =
9
MENTAL MATH
37 - 27 + 6 =
16
Mental Math
80 + 10 + 10 =
100
MENTAL MATH
19 - 2 - 3 - 1 =
13
MENTAL MATH
100 + 400 - 200 =
300