Unit Test Review (Unit Rate, Part to Whole, Ratios, etc)

​Review: Unit Rate and Proportion

​6.NR.4: Solve a variety of contextual problems involving ratios, unit rate, equivalent ratios, percentages, and conversions within measurement systems using proportional reasoning. 

 

​6.NR.4.3 Solve problems involving proportions using a variety of student selected strategies. 

6.NR.4.4 Describe the concept of rates and unit rate in the context of a ratio relationship. 

6.NR.4.5 Solve unit rate problems including those involving unit pricing and constant speed.

Question 1:

​Brittany bought 6 used books at a total cost of $24.00.  What is the unit rate, in dollars, for the books?

​Ask yourself: What operation should I use? (Addition, Subtraction, Division, Multiplication)

​A. $0.25

B. $3.00

C. $ 4.00

D. $18.00

Multiple Choice

Michael bought 5 used books at a total cost of $25.00.  What is the unit rate, in dollars, for the books?

• $0.76

• $5.00

• $0.89

• $11.00

Question 2:

Julia jogged 2 miles in 18 minutes.  At that rate, how long would it take her to jog 5 miles?

​Ask yourself: What am I looking for?
(Find X, in this case find minutes)

​A. 21 minutes

B. 24 minutes

C. 45 minutes

D. 80 minutes

Multiple Choice

Steven jogged 10 miles in 48 minutes.  At that rate, how long would it take her to jog 40 miles?

• 88 minutes

• 111 minutes

• 192 minutes

• 17 minutes

Question 3:

Gary works at a store on the weekends. Last weekend, he earned $56 for working a total of 7 hours. How much did Gary earn per hour?

​A. $7 per hour

B. $8 per hour

C. $49 per hour

D. $63 per hour

​​Ask yourself: What operation should I use? (Addition, Subtraction, Division, Multiplication)

Multiple Choice

Jack works at a store on the weekends. Last weekend, he earned $33 for working a total of 3 hours. How much did Gary earn per hour?

• $30 per hour

• $8 per hour

• $20 per hour

• $11 per hour

Question 4:

A tutor charges $30.00 for two hours of tutoring.  Using the table below, how much would the tutor charge for nine hours?

​A. $105.00

B. $120.00

C. $135.00

D. $180.00

Question 5:

A map of a state was built on a scale of 2 inches to 25 miles.  If the distance between two cities on the map is 11 inches, what is the actual distance between the two cities?

​A. 4.55 miles

B. 137.5 miles

C. 275 miles

D. 550 miles

Multiple Choice

The O’Connor family consumes 20 jugs of milk in 4 weeks. How much milk will the family require for 8 weeks?

• 5 jugs of milk/week; 40 jugs of milk

• 3 jugs of milk/week; 15 jugs of milk

• 2 jugs of milk/week; 10 jugs of milk

• 4 jugs of milk/week; 20 jugs of milk

Question 6:

A school cafeteria offers two choices for students to buy for lunch, a lunch combo or a pizza. The tape diagram below models 25 lunches sold during one lunch period.

What can be concluded from the given information?

​A. There were two-thirds as many lunch combos sold as pizzas.

B. For every 3 lunch combos sold, there were 2 pizzas sold.

C. There were 3 times as many lunch combos sold as pizzas.

D. One-half of the lunches sold were pizzas.

Multiple Choice

How many Reese's cups are there to Jolly Ranchers?

• 1 Reese's cup to 3 Jolly Ranchers

• 7 Reese's cups to 8 Jolly Ranchers

• 3 Reese's cups to 4 Jolly Ranchers

• 4 Reese's cups to 3 Jolly Ranchers

Question 7:

A factory produces 5,000 tablet computers in 4 days, as shown in the double number line below.

At this rate, how many tablet computers will the factory produce in 5 days?

​A. 1,250 tablet computers.

B.6,250 tablet computers

C.20,000 tablet computers.

D. 25,000 tablet computers

Multiple Choice

Kerri and James practiced for the school track meet. Kerri completed 8 laps in 16 minutes. If James ran at the same rate, how many minutes did it take him to run 5 laps? Use the tape diagram shown.

• 2 minutes

• 6 minutes

• 10 minutes

• 16 minutes

Question 8:

​A.

B.

C.

D.

Question 9 :