7th Grade Math Review (All Units)

Unit 1 & 2

100

A map has a scale of 1 inch : 15 kilometers. Use the given actual distance to find the map distance.

Actual Distance: 90 km             

Map Distance: _____

6 inches

200

2/3 = x/30

x=20

300

5/10 = x/100

x = 50

400

A bicyclist rides 12 miles in 4 hours. How far will the bicyclist ride at this speed in 7 hours?

21 miles

500

You paid 14 dollars for 7 gallons of gasoline. How much will you pay for 15 gallons of gasoline?

30 dollars

Unit 3

100

What is 45% of 20?

9

200

What percent of 68 is 17?

25%

300

What is 15% of 90?

13.5

400

What percentage of 50 is 10? 

20%

500

Write 0.51 as a percent

51%

Unit 4

100

-4 + -2

-6

200

-10 + 6

-4

300

-20 + -10

-30

400

-40 + 6

-34

500

-112 + 56

-56

Unit 5

100

-6 x -8

48

200

(-12)/2

-6

300

2/3 xx 4/5

8/15

400

(-2)/3 xx 1/6

-2/18 or -1/9

500

-3.4(1.2)

-4.08

Unit 6

100

2 + 14 div 7 + 1

5

200

4 times2^2 

16

300

6 times 3 + (14-7) -10

15

400

Evaluate the expression 14m when m=6

84

500

Write the algebraic expression for the quotient of x and 10

x/10