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QR Challenge: Number types

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. List the factors of 121,2,3,4,6,12
2. The first five multiples of 77,14,21,28,35
3. The first five square numbers1,4,9,16,25
4. The prime numbers between 10 and 2011,13,17,19
5. The only even prime2
6. 10 squared100
7. The LCM of 4 and 612
8. The first five cube numbers1,8,27,64,125
9. The HCF of 10 and 155
10. 2 cubed8
11. List the factors of 161,2,4,8,16
12. The multiples of 4 between 10 and 2012 and 16
13. The LCM of 12 and 1836
14. 3 squared9
15. 10 cubed1000
16. 7 squared49
17. The HCF of 27 and 369
18. The LCM of 5 and 1515
19. The ODD factors of 241 and 3
20. The First 3 EVEN multiples of 36,12,18

 


Number types: QR Challenge

https://www.classtools.net/QR/decode.php?text=List_the_factors_of_12

Question 1 (of 20)

 


Number types: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_first_five_multiples_of_7

Question 2 (of 20)

 


Number types: QR Challenge

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

Question 3 (of 20)

 


Number types: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_prime_numbers_between_10_and_20

Question 4 (of 20)

 


Number types: QR Challenge

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

Question 5 (of 20)

 


Number types: QR Challenge

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

Question 6 (of 20)

 


Number types: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_LCM_of_4_and_6

Question 7 (of 20)

 


Number types: QR Challenge

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

Question 8 (of 20)

 


Number types: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_HCF_of_10_and_15

Question 9 (of 20)

 


Number types: QR Challenge

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

Question 10 (of 20)

 


Number types: QR Challenge

https://www.classtools.net/QR/decode.php?text=List_the_factors_of_16

Question 11 (of 20)

 


Number types: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_multiples_of_4_between_10_and_20

Question 12 (of 20)

 


Number types: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_LCM_of_12_and_18

Question 13 (of 20)

 


Number types: QR Challenge

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

Question 14 (of 20)

 


Number types: QR Challenge

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

Question 15 (of 20)

 


Number types: QR Challenge

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

Question 16 (of 20)

 


Number types: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_HCF_of_27_and_36

Question 17 (of 20)

 


Number types: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_LCM_of_5_and_15

Question 18 (of 20)

 


Number types: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_ODD_factors_of_24

Question 19 (of 20)

 


Number types: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_First_3_EVEN_multiples_of_3

Question 20 (of 20)