Solve: x + 6 = 10
4
Solve: 2x + 3 = 11
4
What operation means to combine amounts?
A. Divide
B. Multiply
C. Add
D. Isolate
C. Add
Simplify: 2x + 5x
7x
Write an expression for: 15 less than k
k - 15
Solve: n - 12 = 9
21
Solve: 3n - 5 = 16
7
A letter representing an unknown value is called a...
A. Variable
B. Constant
C. Equation
D. Coefficient
A. Variable
Simplify: 9y - 2y + 1
7y + 1
Write an expression for: 8 more than twice a number n
2n + 8
Solve: 5a = 40
8
Solve: 4a + 8 = 32
6
The number attached to a variable is called a...
A. Expression
B. Coefficient
C. Isolate
D. Divide
B. Coefficient
Simplify: 6a + 4 - 2a + 8
4a + 12
Write an expression for: the product of 7 and a number x
7x
Solve: b/9 = 7
63
Solve: 7b - 9 = 40
7
Which term means getting the variable by itself?
A. Multiply
B. Constant
C. Isolate
D. Expression
C. Isolate
Simplify: 10m - 4m + 6 + 2
6m + 8
Write an expression for: 20 divided by a number y
Answer: 20/y
-6m = 54
-9
Solve: -5m + 15 = -30
9
Which is an equation?
A. 4x+7
B. 9m
C. 2a-3
D. y+8=12
D. y+8=12
Simplify: 8p + 5 - 3p + 11 - p
4p + 16
Write an expression for: 4 less than three times a number p
Answer: 3p - 4