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
3x = 6
2
Mental Math
7 x 12 = ?
84
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 =
9
MENTAL MATH
50 x 2 =
100
Mental Math
72 divided into 6 groups
What does the word "of," in math usually mean.
multiply or multiplication
4 + 2x = 6
1
Mental Math
60 divided by 3=
20
Mental Math
60 - 31 =
29
MENTAL MATH
98 + 99 =
197
76 x 5 = ?
380
MENTAL MATH
80 divided into 5 groups
What is the word "difference," refer to in math?
Subtraction
What is 50% of 60
30
Mental Math
3x3x3
27
42-18
24
MENTAL MATH
30 + __ = 131
101
Mental Math
12 x 7 =
84
MENTAL MATH
45 divided into 9 groups
5
If a word problem asks you "how much more/less" you should use this operation
Subtraction
2x+3x=15
9 x 8
72
562-572
-10
MENTAL MATH
155 + 245 = ?
400
45 x 8 =
360
MENTAL MATH
125 divided into 5 groups
25
What do you call the numbers 4 and 7 in the problem 4 x 7 = 28
factors
5x = 4x
0