Math Review

Ratios

100

For every 5 cars in a parking lot there are 6 trucks. What is the ratio of cars to trucks in the parking lot?

5:6

200

Write two equivalent ratios for:

3/6

1/2, 9/18, 18/36

300

Sophia bought 6 books for $24.

What is the unit rate per book? 

$4

400

6 boxes can hold 36 books 

What is the ratio books to boxes?

What is the unit rate?

36:6

6 books per box 

500

Ms.Bell wants to make 1 chocolate chip cookie for each one of her students. She doesn't want them to argue over who has the most chocolate chips, so she uses the following unit rate: 5 chocolate chips per cookie. 

How many chocolate chips she needs for each of her 25 students' cookies? (write it as a ratio)

125:25

Combining Terms

100

x+2x

3x

200

3x-2x

x

300

x+y+2y+3x

4x+3y

400

5+2x+y+2x-y-1

4+4x

500

2x+2y+x²-x+x² 

x+2y+2x²

Writing Expressions

100

Seven divided by f 

7/f

200

The sum of p and five

p+5

300

three times the sum of h and nine 

3(h+9)

400

Subtract two from four times x

4x-2

500

Five less than the quotient of x and nine

(x/9)-5

PEMDAS

100

4³-3³

37

200

9²(2)-20

142

300

Solve when x=4

(3x+2)²

196

400

3+x(2+2)²

99

500

Solve when X=2

96-2(x+4)² 

24

Inequalities

100

Substitute 16 for W

w/2<33

true or false?

True 

200

State when the inequality is true and when it is false:

m/3=14

True: when m=42

False: when m is other number different at 42 

300

State when the inequality is true and when it is false:

y/3<10

True:

False:

True: when y <30

False: when y > or = to 30

400

Graph the inequality:

J-8>15

at 15

open circle

to the right 

500

Graph the inequality:

y+5 <-13

at -13

open circle

to the left