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QR Challenge: Solving Proportions

Created using the ClassTools QR Treasure Hunt Generator

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. 12/15 = 4/y y = 5
2. 2. 11/13 = x/91 x = 77
3. 3. 5/4 = a/36 a = 45
4. 4. 6/7 = 18/c c = 21
5. 5. 96/128 = 12/d d = 16
6. 6. Vincent spent $28 on 2 DVDs. AT this rate, how much would he spend on 5 DVDs? $70
7. 7. Julienne, Sheryl, Kelsey, and Sam spent $12 on school lunch. At this rate, find the amount 10 students would spend on the same lunch? $30
8. 8. Artian spent $24 on 2 pairs of sunglasses. At this rate, how much would 6 pairs of sunglasses cost? $72
9. 9. The Hackett's drove 105 miles on 3 gallons of gas. At this rate, how many miles could they drive on 10 gallons of gas? 350 miles
10. 10. If 15 out of 25 students go to bed before 10 pm, predict how may students go to bed before 10 pm out of 1000 students. 600

 



Solving Proportions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solving Proportions
Q1/10:

1. 12/15 = 4/y &choe=UTF-8

Question 1 (of 10)

 



Solving Proportions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solving Proportions
Q2/10:

2. 11/13 = x/91 &choe=UTF-8

Question 2 (of 10)

 



Solving Proportions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solving Proportions
Q3/10:

3. 5/4 = a/36 &choe=UTF-8

Question 3 (of 10)

 



Solving Proportions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solving Proportions
Q4/10:

4. 6/7 = 18/c &choe=UTF-8

Question 4 (of 10)

 



Solving Proportions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solving Proportions
Q5/10:

5. 96/128 = 12/d &choe=UTF-8

Question 5 (of 10)

 



Solving Proportions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solving Proportions
Q6/10:

6. Vincent spent $28 on 2 DVDs. AT this rate, how much would he spend on 5 DVDs? &choe=UTF-8

Question 6 (of 10)

 



Solving Proportions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solving Proportions
Q7/10:

7. Julienne, Sheryl, Kelsey, and Sam spent $12 on school lunch. At this rate, find the amount 10 students would spend on the same lunch? &choe=UTF-8

Question 7 (of 10)

 



Solving Proportions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solving Proportions
Q8/10:

8. Artian spent $24 on 2 pairs of sunglasses. At this rate, how much would 6 pairs of sunglasses cost? &choe=UTF-8

Question 8 (of 10)

 



Solving Proportions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solving Proportions
Q9/10:

9. The Hackett's drove 105 miles on 3 gallons of gas. At this rate, how many miles could they drive on 10 gallons of gas? &choe=UTF-8

Question 9 (of 10)

 



Solving Proportions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solving Proportions
Q10/10:

10. If 15 out of 25 students go to bed before 10 pm, predict how may students go to bed before 10 pm out of 1000 students. &choe=UTF-8

Question 10 (of 10)