Writing Ratios #2

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

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between numbers, even if the numbers themselves are different.

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 ratio of 10 to 20?

Back

The ratio of 10 to 20 is 1:2 when simplified.

Front

If there are 5 students with Nikes and 3 students with Crocs, what is the ratio of Nikes to Crocs?

Back

The ratio of Nikes to Crocs is 5:3.

Front

How do you write a part-to-whole ratio?

Back

A part-to-whole ratio compares a part of a group to the entire group, such as 23 fiction books to 27 total books.

Front

What is the ratio of red toy cars to all toy cars if Patrick has 2 black, 3 red, and 5 white toy cars?

Back

The ratio of red toy cars to all toy cars is 3:10.

Front

How do you find the total number of items in a ratio problem?

Back

Add all the parts of the ratio together to find the total number of items.

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

What is a part-to-part ratio?

Back

A part-to-part ratio compares one part of a group to another part of the same group.