Ratios and Unit Rate

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b'.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor (GCF).

Front

What is a unit rate?

Back

A unit rate is a comparison of a quantity to one unit of another quantity, often expressed as 'x per 1 unit'.

Front

How do you find the unit rate from a total cost and quantity?

Back

Divide the total cost by the quantity to find the cost per unit.

Front

If there are 8 red marbles and 4 blue marbles, what is the ratio of red to blue marbles?

Back

The ratio of red to blue marbles is 2 to 1.

Front

What is the ratio of girls to boys if there are 10 girls and 5 boys?

Back

The ratio of girls to boys is 2 to 1.

Front

How do you express a ratio in simplest form?

Back

To express a ratio in simplest form, divide both parts of the ratio by their GCF.

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 to 3.

Front

What is the unit rate if a car travels 300 miles in 5 hours?

Back

The unit rate is 60 miles per hour.

Front

If a store sells 12 apples for $3, what is the price per apple?

Back

The price per apple is $0.25.