Writing Ratios
Equivalent Ratios
Simplifying Ratios
Determining the Missing Part
Determining Parts from the Whole
100

There are 6 red marbles and 4 green marbles. What is the ratio of red to green? Simplify your answer if possible. 

6:4 simplified to 3:2

100

What is an equivalent ratio to 2:3?

Answers will vary.

100

Simplify 10:5

2:1

100

A recipe calls for 3 cups of sugar for every 2 cups of flour. If you use 10 cups of flour, how much sugar do you need?

You need 15 cups of sugar. 

100

The campsite has a tent to cabin rental ratio of 5 to 1. If there are 48 rentals available total, how many of those rentals are tents?

There are 40 tents to rent.

200

A class has 12 girls and 8 boys. What is the ratio of girls to total students?

12:20 simplified to 3:5

200

Fill in the blank: 5:7 = 10:___

14

200

Simplify 18:12

3:2

200

A basketball team has a ratio of wins to losses as 7:2. If they have 21 wins, how many losses does the team have?

The team has 6 losses. 

200

A garden has flowers and bushes in a 5:2 ratio. If there are 49 plants in total, how many are bushes?

There are 14 bushes.

300

There are 15 fiction books and 25 nonfiction books. What is the ratio of nonfiction to fiction?

25:15 simplified to 5:3

300

Are 12:18 and 2:3 equivalent ratios?

Yes. 

300

Simplify 36:60

3:5

300

At the amusement park, the ratio of on-ride photo packages purchased to not purchased is 2:9. If 54 customers did not purchase their photos from the ride, how many did?

12 customers purchased the on-ride photos. 

300

The school library has fiction and nonfiction books in a 7:3 ratio. If there are 300 books, how many are fiction?

210 books are fiction. 

400

A basketball team has 7 guards, 3 forwards, and 5 centers. What is the ratio of forwards to total players?

3:15 simplified to 1:5

400

Fill in the blank: 9:6 = ___:4

6

400

Simplify 48:36

4:3

400

The ratio of green marbles to blue marbles is 6:5. If there are 90 green marbles, how many blue?

There are 75 blue marbles.
400

A class has a boy-to-girl ratio of 3:4. If there are 112 students total, how many are boys?

The class has 48 boys. 

500

There are 4 blue pens, 6 red pens, and 10 black pens. What is the ratio of blue to red to black?

4:6:10 simplified to 2:3:5

500

Which of these is not equivalent to 6:10? 

a.) 3:5

b.) 9:15

c.) 12:18

c.) 12:18

500

Simplify 42:56

3:4

500

The ratio of students in the class who visited the Book Fair to students who haven't visited is 3:2. If 12 students have visited the Book Fair, how many students are in the class altogether?

There are 20 students in the class altogether. 

500

A train has passengers in first class and coach in a 2:5 ratio. If there are 273 passengers, how many are in coach?

195 passengers are in coach.