# Print

## 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

• Bring these devices into the lesson.

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.

### Question

1. Question 1 a) £79.35 b) 16
2. Question 2 a) 95p b) £17.10
3. Question 3 a) £21.80 b) An explanation which recognises that each square slab costs more than half a rectangular slab.
4. Question 4 a) £249.75 b) 82
5. Question 5 a) £22.50 b) 42
6. Question 6 a) A number in the range of 270 to 280 b) £135.00
7. Question 7 a) £13.20 b) 12
8. Question 8 a) 75
9. Question 9 a) £3.85
10. Question 10 a) 60
11. Question 11 a) £14.40 b) 20
12. Question 12 a) 26
13. Question 13 a) 2.4
14. Question 14 a) £6331.90 b) 943
15. Question 15 a) 29 b) £7.52
16. Question 16 a) £19.38
17. Question 17 a) 0.15
18. Question 18 a) £1.50 b) 250
19. Question 19 a) 29 b) £7.52
20. Question 20 a) 833 b) 108
21. Question 21 a) 13

### Multiplication and Divison Problems: QR Challenge

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