Writing Ratios

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How do you write a ratio?

Back

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

Front

What does a part-to-part ratio represent?

Back

A part-to-part ratio compares two different parts of a whole.

Front

What does a part-to-whole ratio represent?

Back

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

Front

In the ratio 3:2, what does the '3' represent?

Back

The '3' represents the quantity of the first item in the comparison.

Front

In the ratio 3:2, what does the '2' represent?

Back

The '2' represents the quantity of the second item in the comparison.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of chocolate donuts to glazed donuts if there are 7 chocolate and 13 glazed?

Back

The ratio of chocolate donuts to glazed donuts is 7:13.

Front

If a pet shop has 2 dogs, 4 cats, and 5 hamsters, what is the ratio of dogs to all pets?

Back

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

Front

What is the ratio of flames to arms on a candle if there are 3 flames and 2 arms?

Back

The ratio of flames to arms on the candle is 3:2.