7th Grade Review

Chapter 1 - Ratios/Proportional Reasoning

100

Find the unit rate.

92 miles driven using 4 gallons of gas

23 miles per gallon

200

Simplify the complex fraction. 

(1/5)/(3/10)

2/3

300

What are the two things a graph needs in order to be proportional?

Graph - straight line & pass through origin

400

Solve the proportion

^x/₅ = ⁹/₁₅

x=3

Chapter 2 - Percents

100

Set up a proportion or equation & solve.

What number is 15% of 38

5.7

200

30 is what percent of 60?

50%

300

15 is 20% of what number?

75

400

Find the percent of change. State if increase/decrease.

15 ft to 23 feet

53% increase

Chapter 3 - Integers

100

Solve. 

-34 - (-20)

-14

200

Solve. 

-24 div -3

8

300

Evaluate. 

|3| - |-5|      

-2

400

Solve

-8 x 7

-56

Chapter 5 - Expressions

100

Rewrite using the distributive property.

2(2x - 3)

4x-6

200

Simplify the expression. 

8x + 2 - 11x + 1

-3x + 3

300

Add the linear expressions

(3x - 5) + (-4x - 5)

-x+-10

400

Subtract the linear expressions.

(9x-12) - (5x-7)

4x-5 or 4x+-5

Chapter 6 - Equations/Inequalities

100

Solve the equation. 

4x=12

x=3

200

Solve the equation.

x+3=-10

x=-13

300

Solve the equation.

2x+5=15

x=5

400

Solve the equation

-4x - 6 = -14

x=2

Chapter 7 - Inequalities

100

Graph x>5

open circle, arrow to the right.

200

Solve the inequality.

x+3>13

x>10

300

Solve.

-10 >x - 3

x<-7

400

-10 le x

Graph the inequality

close arrow to right