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., 2:3), as a fraction (e.g., 2/3), or with the word 'to' (e.g., 2 to 3).

Front

What is the ratio of red toy cars to all toy cars if there are 2 black, 3 red, and 5 white toy cars?

Back

The ratio of red toy cars to all toy cars is 3:10.

Front

If there are 4 birds and 6 snakes, what is the ratio of birds to snakes?

Back

The ratio of birds to snakes is 4:6.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different (e.g., 2:3 is equivalent to 4:6).

Front

What is the ratio of cats to dogs if there are 60 dogs and the ratio is 2:3?

Back

If the ratio of cats to dogs is 2:3 and there are 60 dogs, then there are 40 cats.

Front

How can you simplify a ratio?

Back

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

Front

What does it mean to triple a ratio?

Back

To triple a ratio means to multiply both parts of the ratio by 3 (e.g., tripling the ratio 7:11 gives 21:33).

Front

If a recipe calls for a ratio of 1:4 of sugar to flour, how much sugar is needed for 2 cups of flour?

Back

For 2 cups of flour, you need 0.5 cups of sugar (1:4 means 1 part sugar for every 4 parts flour).

Front

What is the ratio of 12 to 16 in simplest form?

Back

The simplest form of the ratio 12:16 is 3:4.