Writing Ratios

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

How do you write a ratio?

Back

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

Front

What is the ratio of 15 trumpets to 9 trombones?

Back

The ratio of trumpets to trombones is 15:9, which simplifies to 5:3.

Front

What is the ratio of trombones to trumpets in the jazz band?

Back

The ratio of trombones to trumpets is 9:15, which simplifies to 3:5.

Front

If there are 4 tulips and 6 daffodils, what is the ratio of daffodils to tulips?

Back

The ratio of daffodils to tulips is 6:4, which simplifies to 3:2.

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

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 pink stripes to green stripes if there are 16 pink and 20 green stripes?

Back

The ratio of pink stripes to green stripes is 16:20, which simplifies to 4:5.

Front

What does it mean if a ratio is expressed as 4:1?

Back

It means for every 4 of one quantity, there is 1 of another quantity.

Front

If a picture shows 8 legs and 2 heads, what is the ratio of legs to heads?

Back

The ratio of legs to heads is 8:2, which simplifies to 4:1.