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 express a ratio?

Back

A ratio can be expressed in three ways: using a colon (e.g., 3:5), as a fraction (e.g., 3/5), or with the word 'to' (e.g., 3 to 5).

Front

What is the ratio of dogs to birds if there are 3 dogs and 5 more birds than dogs?

Back

The ratio of dogs to birds is 3:8.

Front

What is the perimeter of an equilateral triangle if each side is 7 cm?

Back

The perimeter is 21 cm (7 cm + 7 cm + 7 cm).

Front

What is the ratio of one side of an equilateral triangle to its perimeter?

Back

The ratio is 1:7.

Front

How do you simplify the ratio 35:14?

Back

The simplified ratio is 5:2.

Front

What is the simplest form of the ratio 18 ounces to 3 cups?

Back

The simplest form is 6 to 1.

Front

If Patrick has 2 black, 3 red, and 5 white toy cars, what is the ratio of red toy cars to all toy cars?

Back

The ratio is 3:10.

Front

What does it mean to simplify a ratio?

Back

To simplify a ratio means to reduce it to its lowest terms by dividing both sides by their greatest common factor.

Front

If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.