QR Challenge: R U A FACTOR?

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

Download a QR reader (e.g. I-Nigma | NeoReader | Kaywa ) onto their mobile devices
Bring these devices into the lesson.

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. Natalia has 48 pieces of candy. Which of the following shows a factor pair of the number 48? A. 6 & 7 B. 4 &12 C. 8 & 5	B
2. Find all the factors of 22	LIST
3. List the first 5 multiples of 9	LIST
4. Is 5 a factor if 36? Explain.	Justify answer
5. What are the common factors of 8, 16, & 22?	list
6. Find the greatest common factor of 9 & 15.	show work
7. Explain is 24 a factor or a multiple of 8?	Justify
8. Which number,25,35,45 or 60, is a common multiple of 5 & 9.	45
9. Explain is 47 a prime or composite number? .	Justify
10. List all the factors of 36?	List ALL
11. What is the greatest common factor of 14 & 24?	Show work
12. What are the next two terms in the pattern 3, 6, 5, 10, 9, 18, 17	show work
13. List the first 7 multiples of 6.	List
14. Is number 1 prime, composite, both or neither	think
15. Which of the following numbers,23,42,64 or74, has 4 as a factor?	think