# 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. 1. 2/3 + 2/7 20/21
2. 2. 5/12 – 1/4 1/6
3. 3. 4/7 + 1/5 27/35
4. 4. 9/10 – 5/13 67/130
5. 5. 3/5 + 1/8 29/40
6. 6. 6/11 – 3/7 9/77
7. 7. 5/6 – 3/4 1/12
8. 8. What is 2/3 x 69 46
9. 9. What is 3/12 of 144 36
10. 10. What is 6/7 x 147 126
11. 11. What is 5/8 of 288 180
12. 12. What is 2/9 x 765 170
13. 13. Mary get £430 each month. She spends 1/5 of her money on rent. How much does she spend on rent? £86
14. 14. Sarah wins £3000. She puts 13/15 of the money into savings and spends the rest on clothes. How much does she spend on clothes? £400
15. 15. James earns £345 per week. He is offered 1/5 of a pay rise. How much does he now earn? £414
16. 16. VAT is the same as 7/40, how much VAT is payable on an item costing £420 £73.50
17. 17. Sean gets £95 for his birthday. He spends 2/5 of it on clothes, 1/4 on computer games and saves the rest. How much does he save? £36.25
18. 18. There is a 1/3 off sale in a clothing shop. How much would a top cost if it was originally £690? £460
19. 19. Currys is offering 1/5 of all their items. How much would an item cost in the sale if it was £675? £540
20. 20. Brian gets £670. He spends 1/8 of the money on computer games. How much does he spend on computer games? £83.75

### Fractions - year 9: QR Challenge

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