Writing Ratios Flashcard

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows how many times one value contains or is contained within the other.

Front

How do you write a ratio?

Back

A ratio can be written in three ways: using a colon (e.g., 3:5), as a fraction (e.g., 3/5), or in words (e.g., 3 to 5).

Front

What does a part-to-whole ratio represent?

Back

A part-to-whole ratio compares a part of a group to the entire group.

Front

If there are 5 apples and 3 oranges, what is the ratio of apples to oranges?

Back

5:3

Front

In a class of 30 students, if 12 prefer soccer, what is the ratio of students who prefer soccer to the total number of students?

Back

12:30 or simplified to 2:5.

Front

What is the ratio of Nikes to Crocs if there are 5 Nikes and 3 Crocs?

Back

5:3

Front

If there are 4 red balls and 6 blue balls, what is the ratio of red balls to total balls?

Back

4:10 or simplified to 2:5.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both sides of the ratio by their greatest common factor.

Front

What is the ratio of fiction books to total books if there are 23 fiction and 4 non-fiction books?

Back

23:27

Front

If 19 out of 31 students prefer hot cheetos, what is the ratio of students who prefer Takis to those who prefer hot cheetos?

Back

12:19.