Ratios, Rates and Unit Rates

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' or 'a:b'.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of dimes to nickels if there are 10 dimes and 5 nickels?

Back

2 to 1

Front

If a team has 2 wins and 4 losses, what is the ratio of wins to losses?

Back

2:4

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different units, such as miles per hour or dollars per item.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is 1, such as 60 miles per hour.

Front

If a car travels 180 miles in 3 hours, what is the unit rate in miles per hour?

Back

60 miles per hour.

Front

What is the ratio of girls to boys if there are 9 girls and 7 boys?

Back

9 to 7

Front

How do you express the ratio 35:14 in simplest form?

Back

5:2

Front

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

Back

2 to 3