Unit Rate, Rates & Proportions

Front

What is a rate?

Back

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

Front

What are the units for a car traveling at 50 miles per hour?

Back

Miles and hours.

Front

What is a unit rate?

Back

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

Front

If Ernie travels 195 miles in 3 hours, how far will he travel in 5 hours at the same speed?

Back

325 miles.

Front

How do you calculate the price per gallon of gas?

Back

Divide the total cost by the number of gallons.

Front

What is the unit rate of 60 miles in 2 hours?

Back

30 miles per hour.

Front

If a recipe calls for 4 cups of flour for 2 cakes, what is the rate of flour per cake?

Back

2 cups of flour per cake.

Front

What is the formula for finding a unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If a car uses 12 gallons of gas to travel 300 miles, what is the rate of miles per gallon?

Back

25 miles per gallon.

Front

What is the relationship between rates and proportions?

Back

Rates can be used to set up proportions to solve problems involving equivalent ratios.