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QR Challenge: State if the three side lengths form an acute, obtuse, or right triangle.

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. 5,12,13right
2. 14,12,15acute
3. 9,8,15obtuse
4. 9,9,15obtuse
5. 8,12,13acute
6. 2,4,5obtuse
7. 6,9,10acute
8. 13,12,2obtuse
9. 12,9,15right
10. 6,10,8right
11. 9,20,12obtuse
12. 10,3,8obtuse
13. 4,10,8obtuse
14. 12,15,8obtuse
15. 3,3,5obtuse
16. 13,6,12acute
17. 3,4,5right
18. 8,10,7acute
19. 9,11,15obtuse
20. 12,15,10acute

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=5,12,13

Question 1 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=14,12,15

Question 2 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=9,8,15

Question 3 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=9,9,15

Question 4 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=8,12,13

Question 5 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=2,4,5

Question 6 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=6,9,10

Question 7 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=13,12,2

Question 8 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=12,9,15

Question 9 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=6,10,8

Question 10 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=9,20,12

Question 11 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=10,3,8

Question 12 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=4,10,8

Question 13 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=12,15,8

Question 14 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=3,3,5

Question 15 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=13,6,12

Question 16 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=3,4,5

Question 17 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=8,10,7

Question 18 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=9,11,15

Question 19 (of 20)

 


State if the three side lengths form an acute, obtuse, or right triangle.: QR Challenge

https://www.classtools.net/QR/decode.php?text=12,15,10

Question 20 (of 20)