Mental Math
Subtract!
Add!
Multiply!
Divide!
Miscellaneous
Vocabulary
100
Mental Math
30+30
60
100
Mental Math
20-10
10
100
MENTAL MATH
37 + 68 =
105
100
MENTAL MATH
2 x 12
24
100
136/4
34
100
What is 36 divided by 6
6
100
What math word means the amount of space taken up by a 2D shape or surface.
Area
200
Mental Math
7 x 2 = ?
14
200
5649 - 3495
2151
200
345,134 + 56,134 =
401,268
200
MENTAL MATH
500 x 54 = ?
27,000
200
Mental Math
42 divided into 6 groups
7
200
10,930 x 3
32,790
200
What is the measure of a degree of a right angle?
90°
300
Mental Math
60 divided by 3=
20
300
Mental Math
60 - 30 =
30
300
MENTAL MATH
98 + 499 =
597
300
5676 x 5 = ?
28,380
300
MENTAL MATH
7160 / 5
1432
300
544/2=?
272
300
What fraction is equal to one quarter?
1/4
400
Mental Math
20x45
900
400
54,642-318
54,324
400
MENTAL MATH
30 + x = 951
x = 921
400
Mental Math
4 x 7 =
28
400
MENTAL MATH
1647 / 3
549
400
658x23=?
28 R 14
400
What is the math name for a symbol of a value we don't know yet. It is usually a letter like x or y.
variable
500
Mental Math
Solve:
(3 x ____)= 15
5
500
562-191
371
500
MENTAL MATH
155 + 245 = ?
400
500
345 x 5 =
1725
500
MENTAL MATH
675 / 15
45
500
5265/65=
81
500
What is the name of this math symbol?
Square Root