Ratios Review

Writing Ratios

100

19 students have a pet and the other 22 students do not. What is the ratio of the number of students who do not have a pet to the total number of students?

22:41

200

There are 18 men and 26 women on an airplane. What is the ratio of the number of female passengers to the number of male passengers?

26:28

300

There are 14 gold coins and 3 silver coins in Cassie's coin collection. What is the ratio of the total number of coins to the number of silver coins?

17:3

400

The students in Miss Roe’s class got to choose whether to visit the zoo or the aquarium. 14 students out of a total of 60 went to the zoo. What is the ratio of the number of students who went to the zoo to the number of students who went to the aquarium?

14: 46

500

There were a total of 38 people going on a trip to England. 14 of them hated to fly. What was the ratio of the number of people who hated to fly to the number of people who liked to fly?

14:24

Equivalent or Not?

100

Equivalent or Not equivalent?

7 green mittens : 1 indigo mitten

15 green mittens : 3 indigo mittens

NOT EQUIVALENT 

200

       Equivalent or NOT equivalent? 

6 medium sweaters to 4 small sweaters

18 medium sweaters to 12 small sweaters

EQUIVALENT

300

Equivalent or Not equivalent 

15 old paper clips : 18 new paper clips

11 old paper clips : 7 new paper clips

NOT EQUIVALENT 

400

      Equivalent or Not Equivalent 

20 rakes for every 16 lawnmowers

5 rakes for every 4 lawnmowers

EQUIVALENT 

500

Equivalent or Not equivalent? 

3 knives for every 9 spoons 

             AND 

39 knives for every 117

EQUIVLANET 

Unit Rates

100

Write as a unit rate! 

12 minutes for 3 songs. Find the number of minutes per song. 

4/1

4 minutes per song

200

Write as a unit rate: 

18 stickers on 3 pages. Find the number of stickers per page.

6/1 

6 stickers per page

300

Write as a unit rate. 

It snowed 5.8 inches of snow in 4 hours. Find the number of inches snowed per hour.

1.45/1 

1.45 inches of snow per hour

400

Write as a unit rate:

Miss Roe bought 12 gallons of gas for $26.88. Find the price per gallon. 

2.24/1 

$2.24 per gallon

500

Write as a unit rate: 

Maggie divided 50.8 liters of paint into 8 containers. Find the amount of paint per container.

6.35/1

6.35 liters of paint in each container 

What's the Best Deal?

100

 Sams: 30 cupcakes for $15.30

         OR 

Walmart: 8 cupcakes for $4.80

Sams: 0.51/1

Walmart: 0.6

                   SAMS      

200

Ingles Gas: 14 gallons for $31.50 

            OR

Zippy Mart: 3 gallons for $3.60 

Ingles: $2.25/1

Zippy Mart: $1.20

       Zippy Mart

300

Publix: 35 pieces of candy for $9.80

          OR

Ingles: 20 pieces of candy for $6.00

Publix: 0.28 / 1

Ingles: 0.3/1

       Publix

400

BiLo brand: 2 liters of milk for $3.80

         OR

Pet Milk: 1.5 liters of milk for $2.70

BiLo: 1.90/1

Pet: 1.80/1 

Pet Milk 

500

Shell Station: 4 gallons of gas for $14.00

PlzU: 1 gallons of gas for $3.40

Shell:  3.50/1

PlzU:  3.40/1 

PlzU

Ratio Problems

100

A horse drinks about 130 gallons of water every 4 days. At this rate, about how many gallons of water does a horse drink in 40 days? 

1,300 gallons of water in 40 days.

200

Eddie prepared 14 kilograms of dough after working 7 hours. How much dough did Eddie prepare if he worked for 14 hours?

28 kilograms of dough after 14 hours. 

300

Diego's birthday party will cost $12 if he invites 4 guests. If there are 6 guests, how much will Diego's birthday party cost?

$18 if there are 6 guests. 

400

Allie took a total of 8 quizzes over the course of 2 weeks. How many weeks of school will Allie have to attend this quarter before she will have taken a total of 12 quizzes?

3 weeks for a total of 12 quizzes

500

IF ONE OUT OF 12 STUDENTS AT A SCHOOL SHARE A LOCKER, HOW MANY SHARE A LOCKER IN A SCHOOL OF 420 STUDENTS?

35 students share a locker out of 420 total students.