Unit Rate
Is it Proportional
T Chart
100

The cost of a 1 pop tart is $2.  What is the unit rate of pop tarts to dollars?

2 because its 2$ per 1 pop tart

100

It took Jimmy 5 hours to travel 300 miles to SF.  He drove home in the same time at the same rate.  Was the number of hours travelled proportional to the distance on Jimmy's trip?

Yes it was. Total trip 600 miles in 10 hours.  

100

Joe runs 1/2 a mile in 8 minutes.  How long will it take him to run 1 mile?

1 mile is 16 minutes

200
A car travels 100 miles in 2 hours. What is the unit rate?

The car travels 50 miles per 1 hour

200

The number of stars in the sky remains the same from day to day.  Is the number of stars in the sky proportional to the time of day.

No

200

Laticia eats 1 pizzas in 20 minutes. How many pizzas can she eat in an hour?

3 pizzas because there are 60 minutes in an hour

300

A recipe yields 16 cookies for 1/2 cup of butter. What is the unit rate?

16 / 1/2 = 32 cookies per 1 cup of butter

300

If 7 people walk through a doorway every 30 minutes. How many people will walk through the doorway after 2 hours

28 because 14 walk through every hour

400
A recipe calls for 3/4 cup of flour for every 1/2 cup of sugar. What is the unit rate?

3/4 divided by 1/2 = 6/4 or 1 1/2

400

Hector runs 2 3/4 miles in 1/2 an hour.  How far can he run in an hour?

6 1/2 miles because 2 times 2 3/4 is 6 1/2