Vocabulary
One-Step Equations
Two-Step Equations
Correct or Incorrect?
Combining Like Terms
100
A mathematical statement containing an equals sign.
What is... an equation
100
Solve: x - 4 = 9
What is... x = 13
100
Solve: 3x + 2 = -22
What is... x = -8
100
Elliott's homework: 3x - 5 = 13; x = 6
What is... Correct
100
3m - 8m +2m
What is... -3m
200
A letter or symbol representing a varying quantity.
What is... a variable
200
Solve: 3 + x = -6
What is... x = -9
200
Solve: -2x - 7 = -11
What is... x = 2
200
Krista's homework: -5x + 7 = -8; x = -3
What is... Incorrect; x = 3
200
4r + 6r - r
What is... 9r
300
Identify the coefficients: 8 + 9x + 6 - x
What is... 9 and -1
300
Solve: -3 + x = -10
What is... x = -7
300
Solve: (x / 10) + 7 = 9
What is... x = 20
300
Dara's homework: 8 + 2x = 20; x = 2
What is... Incorrect; x = 6
300
-12c - 5c - 4c
What is... -21c
400
Identify the constants: 3x + 8 - 6 + 2x
What is... 8 and -6
400
Solve: 4x = 28
What is... x = 7
400
Solve: 10 - 9x = 28
What is... x = -2
400
Felix's homework: 3x + 2x - 9 = 11; x = 4
What is... Correct
400
8b + 9b - b - (-3b)
What is... 19b
500
Multiplication and division are _______ (opposite or reverse) operations.
What is... inverse
500
Solve: x / 8 = 4
What is... x = 32
500
(x / 3) - (-8) = 10
What is... x = 6
500
Marty's homework: (x / 2) - 5 + 3 = 14; x = 12
What is... Incorrect; x = 32
500
5a - 7b + 4a - 8b
What is... 9a - 15b
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