Ratios

Front

What is a ratio?

Back

A ratio is a relationship between two numbers that shows how many times the first number contains the second. It can be expressed in different forms such as a fraction, using the word 'to', or with a colon.

Front

How do you write a ratio using a colon?

Back

A ratio can be written using a colon by placing the two numbers separated by a colon. For example, the ratio of 2 to 3 is written as 2:3.

Front

What does part-to-part ratio mean?

Back

A part-to-part ratio compares two parts of a whole. For example, in a ratio of 4 apples to 3 oranges, it compares the number of apples to the number of oranges.

Front

What does part-to-whole ratio mean?

Back

A part-to-whole ratio compares a part to the entire group. For example, if there are 4 apples out of 10 fruits, the part-to-whole ratio of apples is 4:10.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor (GCF). For example, the ratio 4:8 can be simplified to 1:2.

Front

What is the ratio of oranges to fruit if there are 2 oranges and 6 fruits in total?

Back

The ratio of oranges to fruit is 2:6, which can be simplified to 1:3.

Front

If Tommy has 6 yellow, 3 red, and 8 blue LEGOS, what is the ratio of red to yellow LEGOS in simplest form?

Back

The ratio of red to yellow LEGOS is 1:2.

Front

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

Back

The ratio of dogs to all pets is 2:11.

Front

List three ways to write a ratio.

Back

Front

What is the relationship of 4 apples to 3 oranges? Is it part-to-part or part-to-whole?

Back

It is a part-to-part ratio.