7th Grade Math Review

Integers

100

742-375=?

397

200

200-348=?

-148

300

-83-59=?

-142

400

-49+102=?

53

500

Jalil lost 12 yards on a football play then gained 20. How many total yards did he gain on both plays? 

8

Percents

100

What is 5% of 60?

3

200

Toni got a 21/28 on her test. What is her percent score?

75%

300

Josh paid $15 for a book. He marked up the price by 40% to sell the book. What is the selling price? 

$21

400

A restaurant bill comes to $34.60. Imara decides to leave an 15% tip. What is the total cost of the bill?

$39.79

500

A book that originally cost $38 is discounted by 25%. The customer must pay 6% sales tax on the discounted price. What is the total amount paid for the book after the discount and tax? 

$30.21

Ratios/Proportions

100

Skyzone sells tickets for their jump area. You buy a ticket for 4 hours and it costs $24. How much are you paying per hour to jump?

$6

200

Blake is able to get 27 miles on 1 tank of gas. How many miles can Blake travel on 6 tanks of gas?

162

300

A toy company can produce 9 toys in 3 hours. How many toys can they produce in 24 hours?

72 toys

400

Kristina played music for 5 days last week for a total of 240 minutes.

She played POP for a total of 25 minutes during the week. 

She played Hip Hop for an equal amount of time each of the 5 days. 

How many minutes did she play Hip Hop each day?

43 minutes each day

500

You paid $28.00 for 8 gallons of gasoline. How much would you pay for 15 gallons of gasoline?

You would pay $52.50

Equations/Inequalities

100

Solve for n. 2n+6=46

n=20

200

Solve for n. 83=-3n-25

n=-36

300

Solve for n. 5n+35=60

n=5

400

Which equation has a constant of proportionality equal to 5?

A. 5y = 15x

B. 5y = 5x

C. 5y = 25x

D. 4y = 5x

C. 5y = 25x

500

-12x-13>11.  Is x=3 part of the solution?

No.

Probability

100

What is the probability of flipping heads on a coin?

1/2

200

What is the probability of rolling an 1 or 3 on a number cube?

1/3

300

If you flip two coins, what is the probability of getting heads on both?

1/4

400

John has a bag with 3 red marbles, 4 green marbles, and 3 blue marbles.  If he pulls one marble with  replacement and then pulls another, what is the probability he pulls a red then a green?

3/25

500

Princeton will use a random number generator 1,800 times. Each result will be a digit from 1 to 6. Which statement best predicts how many times the 6 will appear in the 1,800 results? 

A. It will appear close to 360 times but probably not exactly 360. 

B. It will appear exactly 300 times. 

C. It will appear close to 300 times but probably not exactly 300 times.

D. It will appear exactly 360 times.

C. It will appear close to 300 times but probably not exactly 300 times.