7th Grade Math Review

Integers

100

-74-35=?

-109

200

200-348

-148

300

-83 - (-2) + 4

-77

400

-8 * -10 - 120

-40

500

−10(1+ 4) − 5 * (-1)(-1)(-1)

-45

Percents & Ratio Tables

100

Eight is 5% of what number?

160

200

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

75%

300

Suppose this is a ratio table. What is the value of x?

7        28

x        24

3        12

9        36

6

400

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

$39.79

500

Suppose this is a ratio table. What is the value of x?

9        13.5

4          6

x         7.5

8         12          

5

Ratios & Proportions

100

Skyzone sells tickets for their jump area. You buy a ticket for 4 hours and it costs $25. How much are you paying per hour to jump?

$6.25

200

Write the ratio 6:42 in simplest form.

Also write another equivalent ratio.

1:7

300

Blake is able to get 96 miles on 4 tank of gas. How many miles can Blake travel on 3 tanks of gas?

72 miles

400

A toy company can produce 9 toys in 3.5 hours. How many toys can they produce in 16 hours?

41 toys

500

The ratio of yes to no votes is 4:9. If there are 279 no votes, how many total votes are there?

403

Order of Operations

100

(30/5) + 2 * 3^2

24

200

(5 * 3)6 + 8/2 - 6 +3 =

91

300

-9 + (-2)^2 - [4 - 20/2]

1

400

5*2 + 10 - 3 * 5^2 - [-2^2]

-51

500

(-1)^3 - (-8) / 2 * 10 - (9 - -4)

26

Proportions

100

v/12 = 10/2

60

200

4/9 = 2/x

4.5

300

a/10 = 11/14

7.85

400

10/12 = 2/n

2.4

500

6/14 = 5/n

11.66