Variables
Properties
PEMDAS
Mental Math
Expressions
100
p pennies added to 22 pennies
p + 22
100
Name the missing number AND the property. 5 + 23 + 4 = 23 + 4 + ____
5, Commutative property of Addition
100
What does PEMDAS stand for?
Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
100
Show how you would break these two numbers apart for Mental Math using parentheses. 64 + 86
(60 + 4) + (80 + 6)
100
Solve. 12n; n = 3
36
200
a number increased by 15
n + 15
200
State the missing number and the property. 25 + 0 + (3 + 16) = (25 + ___) + 3
0, Associative Property of Addition
200
Identify which step you would do first. 4 x (5 + 5) / 20 + 6
(5 + 5)
200
Show how you would group compatible numbers with multiplication for this mental math problem. 4 x 9 x 25
(4 x 25)
200
r + 48 / r; r = 8
14
300
22 divided by a number s
22 / s
300
Give the missing number and the property. 7 x ___ = 6 x 7
6, Commutative Property of Multiplication
300
Identify which step you would do first. 7 + 12 x 3 - 2
12 x 3
300
Compute mentally. 7 x 20 x 4
560
300
Evaluate for 2, 6, and 8 96 / x
48, 16, 12
400
4 more than the product of x and 12
4 + (x X 12)
400
___ x 1 = 328
328, Identity Property of Multiplication
400
Which operation would you perform last in this problem? (2 x 3) + (7 x 2)
Addition
400
Use Mental Math to solve. 4,922 - 301
4,621
400
Solve the expression. 8 + 2g - g; g = 6
14
500
What is the coefficient of the variable n in the expression 15 + 2n
2
500
(32 + ___) + 2 + 7 = 32 + (14 + 2) + 7
14, Associative Property of Addition
500
Use parentheses to make the number sentence true. 124 - 6 x 0 + 15 = 34
(0 + 15)
500
Solve using Mental Math. 6 x 40 x 5
1,200
500
Find the rule. Input Output $84 $42 $66 $33 $50 $25
n / 2
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