Writing Ratios - Lesson 6.1

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

Ratios can be written in three ways: using a colon (e.g., 2:3), as a fraction (e.g., 2/3), or with the word 'to' (e.g., 2 to 3).

Front

What is the ratio of dogs to all pets if there are 2 dogs, 4 cats, and 5 hamsters?

Back

2:11

Front

If there are 5 boys and 3 girls in a class, what is the ratio of girls to boys?

Back

3:5

Front

What does a ratio of 3:1 mean in terms of boys and girls?

Back

For every boy, there are three girls.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is the simplest form of the ratio of 4 birds to 10 total animals?

Back

2:5

Front

If there are 13 boys and 10 girls in a classroom, what is the ratio of boys to girls?

Back

13:10

Front

What is the total number of pets if there are 2 dogs, 4 cats, and 5 hamsters?

Back

11 pets.

Front

How do you find the total in a ratio problem?

Back

Add the parts of the ratio together to find the total.