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QR Challenge: 5.NF.7-Dividing Fractions

Created using the ClassTools QR Treasure Hunt Generator

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Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!

C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)

Question

Answer

1. 1. A factory used 1/5 of a barrel of almonds to make 2 batches of granola bars. How many barrels of almonds did the factory put in each batch?1/10
2. 2. A road repair crew spread 1/3 of a ton of gravel evenly over 2 feet of road. How many tons of gravel did they spread on each foot of road?1/6
3. 3. At the end of the night, a pizza place had 1/2 of a pizza left over. The 5 employees each took home the same amount of leftover pizza. How much pizza did each employee take home?1/10
4. 4. We had seven sandwiches. Everyone ate one-fourth sandwich for a snack. How many people had snacks?28
5. 5. What is the quotient of 15 divided by 1/5?75
6. 6. Rory walks a combined 7/8 of a mile to school and back each day. How many miles does he walk each way?7/16
7. 7. The pizzeria buys 250 pounds of mozzarella cheese. If they use 20 and 5/6 pounds of cheese every day, how long will the cheese last?12
8. 8. Hal works in a bakery. He uses 1/6 of a large box of flour for a batch of muffins. How many batches can he make with 4 boxes of flour?24
9. 9. Agnes is cutting squares into triangles for a quilt project. Each triangle is 1/4 of a square. How many triangles can she cut from 5 squares?20
10. 10. A tortoise is moving at a speed of 1/3 mile an hour. At this speed, how long will it take the tortoise to go 5 miles?15
11. 11. It took Marsha 15 minutes to cut 20 pizzas into ninths. How many slices of pizza does she have?180
12. 12. Ed plants trees in city parks. He used 1/10 of a bag of fertilizer around the base of a newly planted tree. How many trees can Ed fertilize with 40 bags on fertilizer?400

 


5.NF.7-Dividing Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.-A-factory-used-1/5-of-a-barrel-of-almonds-to-make-2-batches-of-granola-bars.-How-many-barrels-of-almonds-did-the-factory-put-in-each-batch?

Question 1 (of 12)

 


5.NF.7-Dividing Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=2.-A-road-repair-crew-spread-1/3-of-a-ton-of-gravel-evenly-over-2-feet-of-road.-How-many-tons-of-gravel-did-they-spread-on-each-foot-of-road?

Question 2 (of 12)

 


5.NF.7-Dividing Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=3.-At-the-end-of-the-night,-a-pizza-place-had-1/2-of-a-pizza-left-over.-The-5-employees-each-took-home-the-same-amount-of-leftover-pizza.-How-much-pizza-did-each-employee-take-home?

Question 3 (of 12)

 


5.NF.7-Dividing Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=4.-We-had-seven-sandwiches.-Everyone-ate-one-fourth-sandwich-for-a-snack.-How-many-people-had-snacks?

Question 4 (of 12)

 


5.NF.7-Dividing Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=5.-What-is-the-quotient-of-15-divided-by-1/5?

Question 5 (of 12)

 


5.NF.7-Dividing Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=6.-Rory-walks-a-combined-7/8-of-a-mile-to-school-and-back-each-day.-How-many-miles-does-he-walk-each-way?

Question 6 (of 12)

 


5.NF.7-Dividing Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=7.-The-pizzeria-buys-250-pounds-of-mozzarella-cheese.-If-they-use-20-and-5/6-pounds-of-cheese-every-day,-how-long-will-the-cheese-last?

Question 7 (of 12)

 


5.NF.7-Dividing Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=8.-Hal-works-in-a-bakery.-He-uses-1/6-of-a-large-box-of-flour-for-a-batch-of-muffins.-How-many-batches-can-he-make-with-4-boxes-of-flour?

Question 8 (of 12)

 


5.NF.7-Dividing Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=9.-Agnes-is-cutting-squares-into-triangles-for-a-quilt-project.-Each-triangle-is-1/4-of-a-square.-How-many-triangles-can-she-cut-from-5-squares?

Question 9 (of 12)

 


5.NF.7-Dividing Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=10.-A-tortoise-is-moving-at-a-speed-of-1/3-mile-an-hour.-At-this-speed,-how-long-will-it-take-the-tortoise-to-go-5-miles?

Question 10 (of 12)

 


5.NF.7-Dividing Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=11.-It-took-Marsha-15-minutes-to-cut-20-pizzas-into-ninths.-How-many-slices-of-pizza-does-she-have?

Question 11 (of 12)

 


5.NF.7-Dividing Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=12.-Ed-plants-trees-in-city-parks.-He-used-1/10-of-a-bag-of-fertilizer-around-the-base-of-a-newly-planted-tree.-How-many-trees-can-Ed-fertilize-with-40-bags-on-fertilizer?

Question 12 (of 12)