Vocabulary
Combining (Addition)
Combining (Subtraction)
Combining Like Terms
(Add & Subtract Mix)
Like Terms OR
Not Like Terms
100
In an expression, the parts being added together or subtracted. Example: 4x + 3x + 3y + 7y
What is a term?
100
8a + 15a + a + 9
What is 24a + 9
100
21b - 11b - 10 - 12b
What is -2b - 10
100
-7w - 5 + 17w + 15
What is 10w + 10
100
Like Terms OR Not Like Terms 7x + 7
NOT Like Terms
200
Terms that contain the same variable(s) raised to the same exponent. These terms can be combined. Example: 3x + 9x or 7y + 3Y
What are like terms?
200
5x + 35 + 3x + 2
What is 8x + 37
200
12c - 6c - (-30)
What is 6c + 30
200

19a - 6b - 17a - 3b + 9b - 2a

What is 0

200
Like Terms OR Not Like Terms 3x - 4x + x
Like Terms
300
A mathematical phrase that contains numbers, operations, and/or variables (but no = sign). Example: 5x + 4y + 5 - 2x
What is an expression?
300
32 + 12t + 16t + 8
What is 28t + 40
300
5z - 55 - 26 - z
What is 4z - 81
300

-2f - 1f - (-6) + 5f

What is 2f + 6

300

How many terms are in the expression 

7y x 3 + 4/7y + 8(x-5) - 52

What is 4 terms

400
To perform all indicated operations, including combining like terms. When you do this you do not always get a number answer like 25 or 10 or -1. Frequently you get an expression as an answer, like 2x + 5.
What is simplify?
400

6p2 + 12 + 16p - 24 + 4p2

What is 10p2 + 16p  -4

400

-7d - (-40) + 8d

What is d + 40

400
-5r + 3q - 8q - r
What is -6r -5q
400
Like Terms OR Not Like Terms 3ab + 2ab + 7ba
Like Terms
500
A symbol, usually a letter of the alphabet, used to represent a quantity that can change.
What is a variable?
500

-15m + 20n + (-6m) + -(5n)2 + 2n(4n -5)

What is -21m + 10n +3n2

500

-15j - 18k - 24j - 18k

What is -39j - 36k

500

8t + 2(20r + 3t) - 17r - 10t

What is  40r +4t

500
Like Terms OR Not Like Terms 10xy -3xy + 3x - 4xy
Not Like Terms
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