6th Grade Review

Percents

100

36 is 80% of what number?

45

200

What number is 55% of 40?

22

300

What is 65% of 200?

130

400

What is 25% of 80?

20

Ratios

100

A car dealership sells a ratio of one truck for every five cars. If the dealership sold a total of 30 cars this month, how many trucks did they sell?

6

200

On a shelf there is a ratio of three magazines for every six books. If there is a total of 24 books, how many magazines are there?

12

300

Ms. Buckler's class has a ratio of 2 boys to 4 girls. If there are 16 boys, how many girls are there?

32

400

The ratio of girls to boys in a chess club was 5:4. There were 32 boys. How many girls were there in the club?

x = 40

Unit Rate

100

I can buy 4 candy bars for $12. How much does 1 candy bar cost?

$3

200

A bicycle wheel spins 405 times in 5 minutes. How many times does it spin in 1 minute?

81 times

300

Your car can go 288 miles on 12 gallons of gas. How far can you go per ONE gallon?

24 miles

400

6 boxes can hold 36 books. How many books can 1 box hold?

6 books

One Step Equations

100

x + 16 = -6

x = 10

200

2x = 24

x = 12

300

x-12 = 4

x = 16

400

x/3=5

x= 15

Two Step Equations

100

5x - 10 = 40

x = 10

200

x/3 + 4 = 12

x = 24

300

2x + 6 = 10

x = 2

400

x/2 - 10 = 16

x = 52