equivalent 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 do you write a ratio?

Back

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

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they can be simplified to the same fraction.

Front

If the ratio of cats to dogs is 2:3, how many cats are there if there are 9 dogs?

Back

There are 6 cats. (2/3 = x/9, so x = 2 * 9 / 3 = 6).

Front

What is the ratio of 36 to 12?

Back

The ratio of 36 to 12 is 3:1.

Front

If a recipe calls for 4 cups of flour and 2 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:1.

Front

How can you find a missing value in a ratio table?

Back

You can find a missing value by setting up a proportion based on the known values.

Front

What is the ratio of 15 to 25 in simplest form?

Back

The simplest form of the ratio 15 to 25 is 3:5.

Front

If the ratio of boys to girls in a class is 5:7 and there are 35 boys, how many girls are there?

Back

There are 49 girls. (5/7 = 35/x, so x = 7 * 35 / 5 = 49).

Front

What is an equivalent ratio to 4:6?

Back

An equivalent ratio to 4:6 is 2:3.