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QR Challenge: Factors and Multiples

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. What are the factors of 36? Hint: there are 9
2. The factors of 36 are, 1, 2, 3, 4, 6, 9, 12, 18, 36
3. What are the factors of 16?
4. The factors of 16 are 1, 2, 4, 8, 16
5. What are the factors of 11?
6. The factors of 11 are 1 and 11
7. What are the factors of 12?
8. The factors of 12 are 1, 2, 3, 4, 6, 12
9. What are the factors of 15?
10. The factors of 15 are 1, 3, 5, 15
11. What are the factors of 19?
12. The factors of 19 are 1 and 19
13. What is the least common multiple of 4 and 6?
14. The least common multiple of 4 and 6 is 12.
15. What is the least common multiple of 3 and 8?
16. The least common multiple of 3 and 8 is 24.
17. What is least common multiple of 6 and 9?
18. The least common multiple of 6 and 9 is 18?
19. What is the least common multiple of 3 and 4?
20. The least common multiple of 3 and 4 is 12.
21. Is 13 a prime or composite number?
22. 13 is a prime number.
23. Is 22 a prime or composite number?
24. 22 is a composite number.
25. Is 32 a prime of composite number?
26. 32 is a composite number.
27. Is 17 a prime or composite number?
28. 17 is a composite number.

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_factors_of_36?_Hint:_there_are_9

Question 1 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_factors_of_36_are,_1,_2,_3,_4,_6,_9,_12,_18,_36

Question 2 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_factors_of_16?

Question 3 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_factors_of_16_are_1,_2,_4,_8,_16

Question 4 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_factors_of_11?

Question 5 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_factors_of_11_are_1_and_11

Question 6 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_factors_of_12?

Question 7 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_factors_of_12_are_1,_2,_3,_4,_6,_12

Question 8 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_factors_of_15?

Question 9 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_factors_of_15_are_1,_3,_5,_15

Question 10 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_factors_of_19?

Question 11 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_factors_of_19_are_1_and_19

Question 12 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_least_common_multiple_of_4_and_6?

Question 13 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_least_common_multiple_of_4_and_6_is_12.

Question 14 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_least_common_multiple_of_3_and_8?

Question 15 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_least_common_multiple_of_3_and_8_is_24.

Question 16 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_least_common_multiple_of_6_and_9?

Question 17 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_least_common_multiple_of_6_and_9_is_18?

Question 18 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_least_common_multiple_of_3_and_4?

Question 19 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_least_common_multiple_of_3_and_4_is_12.

Question 20 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Is_13_a_prime_or_composite_number?

Question 21 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=13_is_a_prime_number.

Question 22 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Is_22_a_prime_or_composite_number?

Question 23 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=22_is_a_composite_number.

Question 24 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Is_32_a_prime_of_composite_number?

Question 25 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=32_is_a_composite_number.

Question 26 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Is_17_a_prime_or_composite_number?

Question 27 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=17_is_a_composite_number.

Question 28 (of 28)