# 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. What is 20% of 250?50
2. What is 1/4 of 360?90
3. What is 40% of 480?192
4. What is 2/5 of 60?24
5. What is 345 x 60?20700
6. What is 36 x 45?1620
7. What is 2345 + 3456?5801
8. What is 6001 - 4987?1014
9. What is 345 divided by 10?34.5
10. What is 654.2 divided by 100?6.542
11. What is 45.82 x 1000?45820
12. What is 63% of 200?126
13. What is 22% of 45?9.9
14. What is 8956 x 36?322416
15. What is 2/5 x 3/4?3/10
16. What is 5/7 + 2/3?1 8/21
17. What is 9/10 - 2/3?7/30
18. What is 75% of 456?256.5
19. A dress cost £30. It was reduced in the sale by 15%. What is the sale price?£25.50
20. Increase 60 by 25%75
21. Decrease 126 by 4%?120.96

### Number Day Maths Hunt: QR Challenge

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