# 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

• Download a QR reader (e.g. I-Nigma | NeoReader | Kaywa) onto their mobile devices
• 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. A bicycle helmet was discounted 30%. If the regular price of the helmet is \$80, what is the new price?\$56
2. ______% of 35= 1542.9
3. 20% of 15 =_____3
4. 65% of ______ = 80123.1
5. 14(-2)=-28
6. (-2)(-13)(-1)=-26
7. 2x+4=28x=12
8. 3n-7=29n=12
9. -3+(-2)(-1)=-1
10. 41-(-3=44
11. 6+(-12)=-6
12. .25 x 36.3=9.075
13. 12.4 x 3.1=38.44
14. 36km = _____ m36,000
15. 9.21cm = ______ mm92.1
16. 7.1cm = ________ km.000071
17. 256mm = _______ cm25.6
18. 5/7 x 7/8 =5/8
19. 6/5 x 11/15=22/25
20. 54 C in a D with the J (deal them)54 cards in the deck with the jokers
21. 7 D in a W (52 in a year) 7 days in a week
22. 9 L of a C (meow) 9 lives of a cat
23. 50 S on the A F (Oh say can you see) 50 stars on the American flag

### Math and Science Crossover - Part 2 : QR Challenge

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