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# Lesson Worksheet: Unit Ratios Mathematics

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

**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
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- D
- E

**Q5: **

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

**Q6: **

A local club has 100 members. If 25 of them are males, what is the ratio of females to males?

- A
- B
- C
- D
- E

**Q7: **

On a field trip, the ratio of students to teachers should be . How many teachers are needed if 30 students are going on a field trip?

**Q8: **

A public park had 81 visitors in 3 hours. On average, how many people visited the park per hour?

**Q9: **

A group of students on a field trip consists of 16 girls and 8 boys. What is the proportion of boys in the group?

- A
- B
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- E

**Q10: **

In a book store, the number of books in a section is 30. If 20 of them are fiction, then find the ratio of the number of fiction books to the number of nonfiction books.

- A
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- E