Writing Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or 'a:b'.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using the word 'to' (e.g., 3 to 4), using a colon (e.g., 3:4), or as a fraction (e.g., 3/4).

Front

What is the ratio of pink stripes to green stripes if there are 16 pink and 20 green stripes?

Back

The ratio of pink stripes to green stripes is 16 to 20.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD). For example, the ratio 8:12 simplifies to 2:3.

Front

What is the ratio of daffodils to tulips if there are 6 daffodils and 4 tulips?

Back

The ratio of daffodils to tulips is 6 to 4.

Front

If a jazz band has 15 trumpets and 9 trombones, what is the ratio of trombones to trumpets?

Back

The ratio of trombones to trumpets is 9 to 15.

Front

What does a ratio of 2:6 represent?

Back

A ratio of 2:6 represents that for every 2 of one quantity, there are 6 of another quantity.

Front

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

Back

To find the total number of items in a ratio, add the parts of the ratio together. For example, in a ratio of 2:6, the total is 2 + 6 = 8.

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 to 11.

Front

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

Back

The ratio of oranges to total fruit is 2:6.