# Worksheet: Unit Ratios

In this worksheet, we will practice writing a ratio in the form n : 1 or 1 : n.

**Q1: **

The given illustration shows a set of marbles. What is the unit ratio of blue marbles to red marbles?

- A
- B
- C
- D

**Q2: **

True or False: Is defined as a unit rate?

- ATrue
- BFalse

**Q3: **

There are 18 boys and 9 girls in a class. Write the unit ratio of boys to girls.

- A
- B
- C
- D
- E

**Q4: **

Which of the following is a unit rate?

- A
- B
- C
- D
- E

**Q5: **

A school has 330 students and 11 teachers. Determine the number of students for each teacher.