Addition
Mental Math
5 + 5 + 5 + 8
23
MENTAL MATH
75-12
63
MENTAL MATH
12 x 4 =
48
MENTAL MATH
what is 1/4 in decimal form?
.25
Mental Math
1/2 x 1/3
1/6
Mental Math
150 + 25 + 75
250
MENTAL MATH
102 - 23 =
79
MENTAL MATH
9x5
45
MENTAL MATH
64 / 8 =
8
Mental Math
7/4 - 1/2
5/4
Mental Math
100 + 900 + 30 + 29 =
1059
MENTAL MATH
134-6-12=
116
MENTAL MATH
13 x 3 =
39
Mental Math
135 / 5 =
27
Mental Math
12
Mental Math
104 + 238 =
342
What is PEMDAS
Order of operations
Parenthesis, Exponents, Multiply/Divide, Add/Subtract
MENTAL MATH
18 x 15 =
270
MENTAL MATH
792 / 11
72
Mental Math
3 1/2 + 1/4
15/4
Mental Math
865 + 17 + 49 =
931
MENTAL MATH
6-3-54
-51
MENTAL MATH
5 x 3 x 9 =
135
MENTAL MATH
(165 + 60) /15
15
What do I have to have in order to add/subtract fractions?
A common Denominatior