Say What?
Mental Math
30+30 + 40 =
100
Mental Math
222-123
99
MENTAL MATH
37 + 70 =
107
MENTAL MATH
4 x 12
48
64/4
16
What does "sum," mean
Answer to an addition problem
572-562
10
MENTAL MATH
155 + 245 = ?
400
Mental Math
50 x 8 =
400
MENTAL MATH
125 divided into 5 groups
25
What is the word "difference," refer to in math?
Subtraction
Mental Math
60 divided by 5=
12
Mental Math
60 - 31 =
29
MENTAL MATH
98 + 99 =
197
Mental Math
12 x 7 =
84
MENTAL MATH
80 divided into 5 groups
If a word problem asks you "how much more/less" you should use this operation
Subtraction
Mental Math
3x3x3
27
42-18
24
MENTAL MATH
30 +101 =
131
Mental Math
12 x 11 =
132
MENTAL MATH
45 divided into 9 groups
5
If a word problem asks you for the "product of" you should use this operation
multiplication
Mental Math
9 x 12 = ?
108
Mental Math
Shane's mom said to take a break after lunch at 12:25 p.m. His break was over at 1:10 p.m. How long was his break?
45 minutes
143 + 134 =
277
MENTAL MATH
55 x 3 =
165
Mental Math
72 divided into 6 groups