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QR Challenge: Proportions and Equations

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. The cheerleading squad is holding a car wash to raise money. They are charging $7 for each car they wash. Write an equation to find the total amount earned (t) for washing (c) cars. 7c = t
2. 2. How much will the cheerleading squad earn if they wash 25 cars? $175
3. 3. Gia sells handmade notebooks. She charges $25 a notebook. Write an equation to find the total amount earned (t) for selling (b) books. 25b = t
4. 4. How much will Gia make if she sells 9 books? $225
5. 5. The cost of renting a jet ski at a local marina is $10 an hour. Write an equation to find the total cost (t) for renting the jet ski for (h) hours. 10h = t
6. 6. How much will it cost to rent the jet ski for 6 hours? $60
7. 7. How much will it cost to rent the jet ski for 1 day? $240
8. 8. An African elephant eats at a rate of 400 pounds of vegetation each day. Write an equation to find the total pounds (p) of vegetation an African elephant eats in (d) days. 400d = p
9. 9. How much vegetation will an African elephant eat in 1 week? 2800 pounds
10. 10. How much will an African elephant eat in 1 year. 146000 pounds

 


Proportions and Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=1._The_cheerleading_squad_is_holding_a_car_wash_to_raise_money._They_are_charging_$7_for_each_car_they_wash._Write_an_equation_to_find_the_total_amount_earned_(t)_for_washing_(c)_cars.

Question 1 (of 10)

 


Proportions and Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=2._How_much_will_the_cheerleading_squad_earn_if_they_wash_25_cars?

Question 2 (of 10)

 


Proportions and Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=3._Gia_sells_handmade_notebooks._She_charges_$25_a_notebook._Write_an_equation_to_find_the_total_amount_earned_(t)_for_selling_(b)_books.

Question 3 (of 10)

 


Proportions and Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=4._How_much_will_Gia_make_if_she_sells_9_books?

Question 4 (of 10)

 


Proportions and Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=5._The_cost_of_renting_a_jet_ski_at_a_local_marina_is_$10_an_hour._Write_an_equation_to_find_the_total_cost_(t)_for_renting_the_jet_ski_for_(h)_hours.

Question 5 (of 10)

 


Proportions and Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=6._How_much_will_it_cost_to_rent_the_jet_ski_for_6_hours?

Question 6 (of 10)

 


Proportions and Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=7._How_much_will_it_cost_to_rent_the_jet_ski_for_1_day?

Question 7 (of 10)

 


Proportions and Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=8._An_African_elephant_eats_at_a_rate_of_400_pounds_of_vegetation_each_day._Write_an_equation_to_find_the_total_pounds_(p)_of_vegetation_an_African_elephant_eats_in_(d)_days.

Question 8 (of 10)

 


Proportions and Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=9._How_much_vegetation_will_an_African_elephant_eat_in_1_week?

Question 9 (of 10)

 


Proportions and Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=10._How_much_will_an_African_elephant_eat_in_1_year.

Question 10 (of 10)