Rates and Unit Rate

Front

What is a rate?

Back

A rate is a ratio that compares quantities with different units.

Front

How do you calculate the unit rate?

Back

To find the unit rate, divide the total quantity by the number of units.

Front

If a cashier rings up 2 customers in 8 minutes, how many customers can he ring up in 30 minutes?

Back

7.5 customers

Front

What is the unit rate if you spend $40 on 5 pounds of concrete?

Back

$8 per pound

Front

If Antonia can type 408 words in 4 minutes, how many words can she type per minute?

Back

102 words per minute

Front

What is the formula for calculating a rate?

Back

Rate = Quantity 1 / Quantity 2.

Front

If a car travels 130 miles in 2 hours, what is its speed in miles per hour?

Back

65 miles per hour

Front

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

Back

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

Front

How do you convert a rate to a unit rate?

Back

Divide the numerator by the denominator to express it per one unit.

Front

If you can paint 3 rooms in 6 hours, what is the rate of rooms painted per hour?

Back

0.5 rooms per hour