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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=Factors and Multiples
Q1/28:

What are the factors of 36? Hint: there are 9&choe=UTF-8

Question 1 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q2/28:

The factors of 36 are, 1, 2, 3, 4, 6, 9, 12, 18, 36&choe=UTF-8

Question 2 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q3/28:

What are the factors of 16?&choe=UTF-8

Question 3 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q4/28:

The factors of 16 are 1, 2, 4, 8, 16&choe=UTF-8

Question 4 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q5/28:

What are the factors of 11?&choe=UTF-8

Question 5 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q6/28:

The factors of 11 are 1 and 11&choe=UTF-8

Question 6 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q7/28:

What are the factors of 12?&choe=UTF-8

Question 7 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q8/28:

The factors of 12 are 1, 2, 3, 4, 6, 12&choe=UTF-8

Question 8 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q9/28:

What are the factors of 15?&choe=UTF-8

Question 9 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q10/28:

The factors of 15 are 1, 3, 5, 15&choe=UTF-8

Question 10 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q11/28:

What are the factors of 19?&choe=UTF-8

Question 11 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q12/28:

The factors of 19 are 1 and 19&choe=UTF-8

Question 12 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q13/28:

What is the least common multiple of 4 and 6?&choe=UTF-8

Question 13 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q14/28:

The least common multiple of 4 and 6 is 12.&choe=UTF-8

Question 14 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q15/28:

What is the least common multiple of 3 and 8?&choe=UTF-8

Question 15 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q16/28:

The least common multiple of 3 and 8 is 24.&choe=UTF-8

Question 16 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q17/28:

What is least common multiple of 6 and 9?&choe=UTF-8

Question 17 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q18/28:

The least common multiple of 6 and 9 is 18?&choe=UTF-8

Question 18 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q19/28:

What is the least common multiple of 3 and 4?&choe=UTF-8

Question 19 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q20/28:

The least common multiple of 3 and 4 is 12.&choe=UTF-8

Question 20 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q21/28:

Is 13 a prime or composite number?&choe=UTF-8

Question 21 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q22/28:

13 is a prime number.&choe=UTF-8

Question 22 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q23/28:

Is 22 a prime or composite number?&choe=UTF-8

Question 23 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q24/28:

22 is a composite number.&choe=UTF-8

Question 24 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q25/28:

Is 32 a prime of composite number?&choe=UTF-8

Question 25 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q26/28:

32 is a composite number.&choe=UTF-8

Question 26 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q27/28:

Is 17 a prime or composite number?&choe=UTF-8

Question 27 (of 28)

 


Factors and Multiples: QR Challenge

https://www.classtools.net/QR/decode.php?text=Factors and Multiples
Q28/28:

17 is a composite number.&choe=UTF-8

Question 28 (of 28)