Ratios, Rates, & 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' or a: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 rate?

Back

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

Front

What is a unit rate?

Back

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

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.

Front

How do you find the unit price of an item?

Back

To find the unit price, divide the total price by the number of units (e.g., total cost divided by quantity).

Front

What is the unit rate if 10 apples cost $5?

Back

The unit rate is $0.50 per apple.

Front

If a car travels 150 miles in 3 hours, what is its speed in miles per hour?

Back

The speed is 50 miles per hour.

Front

What is the ratio of 8 to 12 in simplest form?

Back

The simplest form of the ratio 8 to 12 is 2:3.

Front

If you earn $120 for 4 hours of work, what is your hourly rate?

Back

Your hourly rate is $30 per hour.