Order of Operations
Substitution
Properties
Integers!
Equations and Inequalities
100
What does PEMDAS stand for?
Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
100
a = 2 b = 4 What is 2a + b?
8
100
Identify the Property 9(2x + 3) = 18x + 27
Distributive Property
100
A negative x a negative is a...
Positive
100
6x = 12
x = 2
200
In the problem 8 + (2 + 9) - 12 x 4 what would I do first?
2 + 9
200
a = 16 b = 9 What is 7ab
1,008
200
Identify the Property x + y = y + x 4 x 2 = 2 x 4
Commutative Property of Multiplication and Addition
200
Adding a negative is the same as...
Subtracting
200
x + 41 = 2
x = -39
300
Solve! 8(2+9)
88
300
a = 4 b = 6 What is -2 + 9a - b
28
300
Identify the Property 6 x 1 = 6
Identity Property of Multiplication
300
Subtracting a negative is the same as...
Adding
300
If you are multiplying or dividing by a negative in an inequality, what do you need to do?
Flip the Sign!
400
8 + 4 x 12
56
400
a = 4 b = 12 c = -2 What is 7 + a + 4 + b + c
25
400
Identify the Property (a + b) + c = a + (b + c)
Associative Property
400
7 x -2 =
-14
400
2x < 18 List 3 numbers that x could be.
x < 9 8,7,6,5...
500
72 + 4 – 10
43
500
x = 2 z = -14 r = 3 What is -x - z + r
15
500
Does the Commutative Property apply to subtraction and division?
No
500
-400 / -10
40
500
-3x < 12
x > -4
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