Ratio and Proportion

What is a ratio?

• A. It is a comparison of two quantities.

• B. It is a number over another number.

• C. It is a multiplication of two fractions.

• D. It has two decimals that can be multiplied.

2. A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles.

What is the ratio of red to yellow?

• A. 2 is to 5

• B. 3 is to 5

• C. 5 is to 3

• D. 5 is to 2

3. There are 7 boys and 5 girls from the 6th grade marching band. What is the ratio

of girls to boys?

• A. 13:7

• B. 13:5

• C. 7:5

• D. 5:7

4. There are 14 boys and 8 girls in the school’s Robotics Club. What is the ratio of

girls to the total number of members in the club?

• A. 14:8

• B. 22:8

• C. 8:14

• D. 8:22

5. Which represents the relationship of oranges to fruits?

• A. 2:6

• B. 2:4

• C. 4:6

• D. 4:2

6. A company car was driven 90 km in 3 hours. How far will it be driven in 9 hours?

• A. 27 km

• B. 27 min

• C. 270 km

• D. 270 min

7. Clark can walk 12 km in 3 hours. How far can he walk in 6 hours?

• A. 15 km

• B. 18 km

• C. 24 km

• D. 36 km

8. One quantity increases as the other quantity constantly increases. What type of

proportion is this?

• A. Direct

• B. Indirect

• C. Inverse

• D. Partitive

9. In a ___________ proportion, the number is divided into equal parts proportional to

a given ratio?

• A. Direct

• B. Indirect

• C. Inverse

• D. Partitive

10. Which ratio is equal to 15:20?

• A. 5:10

• B. 18:25

• C. 21:28

• D. 24:30