Equations and inequalities review

Solving Equations

100

Solving Equations

Solve for x. 

x + 3 = 7

What is: 

x = 4

200

Solving Equations

Solve for x.

2x = 8

What is: 

x = 4

300

Solving Equations

Solve for x. 

5x = 25

What is: 

x = 5

400

Solve for v. 

v + 14 = 30

v = 16

500

Modeling Equations

Create an equation that represents the following expression and then solve it.

Harvey's age doubled is 6

2a = 6

a = 3

Solving Inequalities

100

Solving Inequalities

Solve for c. 

c - 11 > 22

What is: 

c < 33

200

What are two possible solutions for x?

2x < 4

x: 0,1

300

Write an inequality

s is at most 55

s <= 55

400

Write an Inequality 

j is below 8

j < 8

500

Modeling and Solving Inequalities

Create an inequality to represent the scenario and solve the inequality

Julie earns $7 for each car she washes. This week, she wants to save more than $56. How many cars must she wash?  

What is: 

 7c > 56

True/false

100

We use inverse operations to solve equations and inequalities?

True

200

Addition is the inverse of division?

False

300

We use a closed circle to represent the inequalities < and > ?

False

400

Inequalities only have one solution, just like equations.

False. Inequalities have infinitely many solutions. 

500

Given c + 4 > 14

We use the inverse operation of subtraction to solve the inequality.

TRUE