Rates and Unit Rate

Front

What is a unit rate?

Back

A unit rate is a rate in which the unit in the denominator is 1.

Front

How do you calculate the unit cost per item?

Back

To calculate the unit cost, divide the total cost by the number of items.

Front

If you buy 15 pizzas for $97.50, what is the unit cost per pizza?

Back

$6.50 per pizza.

Front

What is the formula to find the speed of an object?

Back

Speed = Distance ÷ Time.

Front

If a car travels 50 miles in 1 hour, what is its speed?

Back

50 miles per hour.

Front

What does it mean if a rate is expressed in miles per hour?

Back

It means the distance traveled in miles for every hour of travel.

Front

If Maya earns $10 an hour, how much will she earn in 15 hours?

Back

$150.

Front

What is the unit of measurement for speed?

Back

Miles per hour (mph) or kilometers per hour (km/h).

Front

If a person travels 65 miles in 1 hour, what is their speed?

Back

65 miles per hour.

Front

What is the relationship between distance, speed, and time?

Back

Distance = Speed × Time.