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
Like Terms OR NOT Like Terms
3x + 2y + 2xy
NOT Like 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
6p + 32 + 16p + 2 + 4p
What is 26p + 34
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
m + 20n + 25m + 6n
What is 26m + 26n
500
-15j - 18k - 24j - 18k
What is -39j - 36k
500
53t - (-20r) + 17 - 10t
What is 43t + 20r +17
500
Like Terms OR Not Like Terms
10xy -3xy + 3x - 4xy
Not Like Terms
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Combining Like Terms
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