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.

Front

How can ratios be expressed?

Back

Ratios can be expressed as fractions, with the word 'to', or with a colon (:).

Front

What does a ratio of 2:3 mean?

Back

It means for every 2 of the first quantity, there are 3 of the second quantity.

Front

If the ratio of red circles to blue stars is 3:4, how many blue stars are there if there are 9 red circles?

Back

There are 12 blue stars.

Front

What is the ratio of circles to squares in a drawing with 5 circles and 6 squares?

Back

The ratio of circles to squares is 5:6.

Front

In a recipe, if the ratio of sugar to milk is 3:4, how much sugar is needed for 8 cups of milk?

Back

6 cups of sugar are needed.

Front

What is the simplest form of the ratio 10:15?

Back

The simplest form is 2:3.

Front

If there are 8 apples and 12 oranges, what is the ratio of apples to oranges?

Back

The ratio of apples to oranges is 2:3.

Front

What does it mean if a ratio is equivalent to 1:1?

Back

It means both quantities are equal.

Front

How do you find the total number of parts in a ratio of 2:3?

Back

Add the numbers in the ratio: 2 + 3 = 5 parts.