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 simplify a ratio?

Back

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

Front

What is the ratio of 9 to 3 in simplest form?

Back

The simplest form of the ratio 9:3 is 3:1.

Front

How do you express a ratio in different forms?

Back

A ratio can be expressed in fraction form (e.g., 3/2), colon form (e.g., 3:2), or word form (e.g., '3 to 2').

Front

What is the total number of items if the ratio of pears to all fruit is 5:11 and there are 5 pears?

Back

If there are 5 pears, the total number of fruits is 11, as the ratio indicates that for every 5 pears, there are 11 total fruits.

Front

How do you find the ratio of two groups?

Back

To find the ratio of two groups, count the number of items in each group and express it as a fraction or in colon form.

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

If there are 3 bananas and 2 apples, what is the ratio of bananas to apples?

Back

The ratio of bananas to apples is 3:2.

Front

How do you calculate the ratio of a part to a whole?

Back

To calculate the ratio of a part to a whole, divide the number of parts by the total number of items.

Front

What does a ratio of 10 to 5 represent?

Back

A ratio of 10 to 5 represents that for every 10 of one item, there are 5 of another item.