Pre-Unit Quiz: Identifying and Solving One-Step Equations

Which of the following is an equation?

• 5 + 3

• 2x - 4

• 6y = 12

Which equation represents "a number increased by 7 is equal to 12"?

• x + 7 = 12

• x - 7 = 12

• 7x = 12

Which of the following is NOT an equation?

• 8x = 24

• 3 + 4 = 7

• 10 - 2y

• 5n + 3 = 18

To solve an equation, we use the __________ operation to isolate the variable.

• inverse

• addition

• multiplication

• subtraction

• add

• subtract

• multiply

• divide

Identify the inverse operation needed to solve the equation: 3m = 18

• add

• subtract

• multiply

• divide

Identify the inverse operation needed to solve the equation:

y - 4 = 10

• add

• subtract

• multiply

• divide

Identify the inverse operation needed to solve the equation:

x + 9 =

• add

• subtract

• multiply

• divide

Solve the equation. Show your work on the paper provided, then select the correct answer

x + 5 = 12

• x = 7

• x = 12

• x = 5

• x = 0

Solve the equation. Show your work on the paper provided, then select the correct answer

y - 8 = 4

• y = 3

• y = 12

• y = -4

• y = 8