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Evaluating Expressions
Equivalent Expressions
Solving One-step Equations
Properties
Vocabulary
100
5 - 4 + (7 + 4)
12
100
An equivalent expression for 8+8+8+8
4(8) or 4 ⦁ 8
100
SHOW YOUR WORK x + 7 = 10
x + 7 = 10 - 7 -7 __________ x = 3
100
y ⦁ z = z ⦁ y
What is commutative property of multiplication
100
The opposite operation
inverse
200
3(6-2)^2
48
200
an equivalent expression for 4 ⦁ 4 ⦁ 4 ⦁ 4 ⦁ 4
4^5
200
The property is used to solve this equation b - 16 = 4
Additive Inverse Property
200
m + 0 = m
Identity Property of addition
200
A letter or symbol used to represent an unknown value
variable
300
8 ÷ 8 - 1 + (7 ⦁ 4) + 12
40
300
12a+2b-2a+c+5c+b-a Hint: Combine Like Terms
9a +3b + 6c
300
The goal of "solving" an equation is finding the value of this
The variable
300
n (1) = n
Identity Property of Multiplication
300
A math sentence which states that two expressions are equal
equation
400
If p= 2 5^p + 5(p)
35
400
2m - m + p + p + p - 4 + 12 Hint: Combine Like Terms
m + 3p + 8
400
n ÷ 12 = 3 The first step to solve this equation is...
Multiply both sides by 12 or using the inverse operation (multiplication)
400
2 + 4 = 4 + 2
Commutative Property of Addition
400
The number in front of a variable
coefficient
500
z + y - 3z + 4z + 6y when y=3 and z=6
33
500
5y ÷ 5
y
500
Why is it important to do the same operation to both sides of an equation?
To keep the equation BALANCED
500
(3 + 4) + 9 = 3 + (4 + 9)
Associative Property of Addition
500
6, x, and 4y are examples of these
terms