Ratios and Proportions Review

Ratios

100

There are 13 Mounds View wrestlers and 20 Mounds View volleyball players. What is the ratio of wrestlers to volleyball players?

13:20 or 13/20

200

There are 3 students learning in school, and 4 students learning online. What is the ratio of students learning in school and students learning online?

3:4 or 3/4

300

Mr. Hagel has 25 students in class, and Miss. Colwell has 7. What is the ratio of students in Mr. Hagels class compared to the students in Miss. Colwells class?

25:7or 25/7

400

There are 7 pigs and 5 donkeys. What is the ratio of donkeys to pigs?

5:7 or 5/7

500

There are 21 students wearing black to the dance and 31 students wearing red. What is the ratio of students wearing red to the students wearing black?

31:21 or 31/21

Solving by Guess and Check

100

1     x

_=  _

2    4

x=2

200

2    x

_=_

6   18

x=6

300

4       x

__=___

20    20

x=4

400

3       9

_ =__

21  x

x=63

500

3        x

__ =___

4      12

x=9

Solving by cross multiplying

100

x    7

_=__

5   35

x=1

200

2       x

_ = ___

4      48

x=24

300

x      15

_ = __

6     3

x=30

400

11      33

__ = ___

88     x

x=264

500

3        x

_  = ___

100  500

x=15

Word Problems

100

Juan bought 3 sea shells from the sea shore shop. He spent $6. How many sea shells did Juan buy?

2 sea shells

200

Lil xan bought 4 horses for 120 dollars. How much would only 2 horses cost??

$60

300

Each ticket to the basketball game costs $4. I spent $44. How many tickets did I buy?

11 tickets

400

JoJo Siwa gets $265 for every tiktok video she posts. She made $795 this week from posting tiktok videos. How many videos did she post?

3 videos

500

Jean and their friends all went to the barber shop to get new middle parts done to their hair. Each haircut costs $14. The total for all of the haircuts was $56. How many people got haircuts?

4 people