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QR Challenge: Percentages 10C1

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

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. 1. Find 35% of £345 £120.75
2. 2. Find 56% of £480 £268.80
3. 3. Find 67% of £650 £428.80
4. 4. Find 14% of £98 £46.06
5. 5. Find 26% of 78kg 20.28kg
6. 6. Find 23% of 87g 20.01g
7. 7. Find 67% of 65cm 43.55cm
8. 8. Increase £34 by 65% £56.10
9. 9. Increase £560 by 5%. £588
10. 10. Increase £1500 by 19% £1650
11. 11. Increase 45 by 25% 56.25
12. 12. Increase £25,678 by 12%. £28759.36
13. 13. Increase £156,000 by 14%. £1778,40
14. 14. Increase £5487 by 28%. £7023.36
15. 15. Decrease 35678 by 3%. £34607.66
16. 16. Decrease 89cm by 67%. 29.37cm
17. 17. Decease 75kg by 18%. 61.5kg
18. 18. Decrease £350 by 44%. £196
19. 19. Decrease £890 by 36%. £569.60
20. 20. Decrease 456mm by 42%. 264.48

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=1. Find_35%_of_£345

Question 1 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=2. Find_56%_of_£480

Question 2 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=3. Find_67%_of_£650

Question 3 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=4. Find_14%_of_£98

Question 4 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=5. Find_26%_of_78kg

Question 5 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=6. Find_23%_of_87g

Question 6 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=7. Find_67%_of_65cm

Question 7 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=8. Increase_£34_by_65%

Question 8 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=9. Increase_£560_by_5%.

Question 9 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=10. Increase_£1500_by_19%

Question 10 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=11. Increase_45_by_25%

Question 11 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=12. Increase_£25,678_by_12%.

Question 12 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=13. Increase_£156,000_by_14%.

Question 13 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=14. Increase_£5487_by_28%.

Question 14 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=15. Decrease_35678_by_3%.

Question 15 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=16. Decrease_89cm_by_67%.

Question 16 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=17. Decease_75kg_by_18%.

Question 17 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=18. Decrease_£350_by_44%.

Question 18 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=19. Decrease_£890_by_36%.

Question 19 (of 20)

 


Percentages 10C1: QR Challenge

https://www.classtools.net/QR/decode.php?text=20. Decrease_456mm_by_42%.

Question 20 (of 20)