Ratios/Rates and Unit Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

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 price per item.

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

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity to find the amount per one unit.

Front

Simplify the ratio 35:14.

Back

5:2

Front

What is the unit rate of 156 players on 12 teams?

Back

13 players per team.

Front

If 10 dimes and 8 quarters are present, what is the ratio of quarters to dimes?

Back

4:5.

Front

If my father paid $25.50 for 5 movie tickets, what is the rate for 9 movie tickets?

Back

$45.90.

Front

What is the formula to find the total cost based on unit rate?

Back

Total Cost = Unit Rate × Number of Units.

Front

What does it mean to simplify a ratio?

Back

To simplify a ratio means to reduce it to its lowest terms by dividing both sides by their greatest common factor.