7th Grade Math Review

Integers

10

742-375=?

367

20

200-348=?

-148

30

-83-59=?

-142

40

-49+102=?

53

50

−10(1+ 4) − 5

-55

Percents

10

Eight is 5% of what number?

160

20

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

75%

30

What is 25% of 60?

15

40

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

$39.79

50

Kim 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

10

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

20

What is the unit rate of the ratio 6:42 (6/42)?

1:7 or 1/7

30

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

162 miles

40

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

72 toys

50

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

10

Solve for n. 2n+6=46

n=20

20

Solve for n. 83=-3n-25

n=-36

30

Solve for n. 5n+35=60

n=5

40

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

n=63

50

3.3h − 3 = 15 −1.2h

h=0.25

Circles

10

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

56cm

20

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

144pi in.

30

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

32pi cm

40

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

49pi ft

50

The circumference of the circle at the center of a basketball court 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