Formative 8.2 Review

17 - n = 9       n = 6

• Yes 6 is the solution

• No 6 is not the solution

• 6 might be the solution

• Solution?

3n + 7

• Equation

• Expression

• Inequality

7 - 2y + 12

• Equation

• Expression

• Inequality

3s = 27

• Equation

• Expression

• Inequality

14x + 9 > 50

• Equation

• Expression

• Inequality

An equation must have an

To solve equations we must use

• mental math

• The same operation

• Inverse Operations

• multiplication facts

Match the following

• x = 20

• x - 12 = 8

• x = 16

• 8x = 24

• x = 9

• x = 3

• 14 + x = 30

Jonah received $125 for his birthday. He spent $65 on a new video game. How 

much money does Jonah have left? Write and solve an addition equation.

• 125 + x = 65

• 125 - 65 = x

• 125 + 65 = x

• 65 + x = 125

Jonah received $125 for his birthday. He spent $65 on a new video game. How 

much money does Jonah have left? A variable in this equation would represent...

• The money he started with

• The money he has left/remaining.

• The money he spent

• The cost of the video game.