Exponents
Subtract!
Add!
Multiply!
Divide!
Vocabulary
Find x
100
3x3x3
What is 33
100
Mental Math
222-123
99
100
MENTAL MATH
37 + 70 =
107
100
MENTAL MATH
4 x 12
48
100
64/4
16
100
What does "sum," mean
Answer to an addition problem
100
3x = 6
2
200
24
What is 16
2x2x2x2=16
200
562-572
-10
200
MENTAL MATH
155 + 245 = ?
400
200
Mental Math
50 x 8 =
400
200
MENTAL MATH
125 divided into 5 groups
25
200
What does it mean to square a number?
The exponent would be 2. You multiply it by itself
200
5x = 4x
0
300
105
100,000
300
Mental Math
60 - 31 =
29
300
MENTAL MATH
98 + 99 =
197
300
Mental Math
12 x 7 =
84
300
MENTAL MATH
80 divided into 5 groups
16
300
What is the word "difference," refer to in math?
Subtraction
300
What is 50% of 60
30
400
Powers of 10
2 x 103
2,000
400
42-18
24
400
MENTAL MATH
30 + __ = 131
101
400
Mental Math
6 x 7 =
42
400
MENTAL MATH
45 divided into 9 groups
5
400
If a word problem asks you "how much more/less" you should use this operation
Subtraction
400
2x+3x=15
3
500
102 - 1
99
500
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
500
143 + 134 =
9
500
Claire has 5 groups of 4 hearts on her desk and Crystal has 5 groups of 5 hearts on her desk. How many hearts do they have all together?
45
(5x4) + (5x5)=20 + 25=45
500
Mental Math
Mrs. Smith wanted to make equal donations to her 6 children's classes. She had the total of $72 to donate. How much money did each class receive?
$12
500
Identify the 4 parts of a division problem:
500
4 + 2x = 6
1