7th Grade Math Review (Cobras)

Integers

100

742-375=?

367

200

200-348=?

-148

300

-83-59=?

-142

400

-49+102=?

53

500

−10(1+ 4) − 5

-55

Percents

100

Eight is 5% of what number?

160

200

Brandon got a 21/28 on his test. What is his percent score?

75%

300

What is 25% of 60?

15

400

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

$39.79

500

Vanessa bought a hat in California. The hat cost $15 before the 8% sales tax was applied. How much did Kim pay for the hat after taxes were added?

Kim paid $16.20

Ratios (Batman)

100

Olivia 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?

What is $6?

200

Mr. Mijares scores 5 goals for every 2 games that he plays. How many goals will he score in 14 games?

What is 35 Goals or 35 GOLAZOS?

300

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

162 miles

400

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

What is 72 toys?

500

Telma paid $28.00 for 8 gallons of gasoline. How much would she pay for 15 gallons of gasoline?

What is $52.50?

2-Step Equations

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

Solve for n. (n/3)-17=4

n=63

500

3.3h − 3 = 15 −1.2h

h=0.25

Circles

100

The radius of a circle is 28cm. What is the circle's diameter?

56cm

200

The radius of a circle is 12in. What is the area of the circle?

144pi in.

300

The radius of a circle is 16cm. What is the circle's circumference?

32pi cm

400

The diameter of a circle is 14ft. What is the circle's area?

49pi ft

500

The circumference of the circle at the center of a basketball court, where Natasha plays, is 37.68 feet. Find the area of the circle at center court. Use 3.14 for pi.

The area of the circle is 113.04