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QR Challenge: Number System

Created using the ClassTools QR Treasure Hunt Generator

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. BinaryBinary
2. OctalOctal
3. DecimalDecimal
4. HexadecimalHexadecimal
5. Base 2Base 2
6. Base 8Base 8
7. Base 10Base 10
8. Base 16Base 16
9. Range: 0,10,1
10. Range: 0-70-7
11. Range: 0-90-9
12. Range 0-9, A-FHexa
13. 10100101Bin
14. 85 (Base 8)Oct
15. 112 (Base 10)Dec
16. 7ADFHex

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Binary

Question 1 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Octal

Question 2 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Decimal

Question 3 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Hexadecimal

Question 4 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Base_2

Question 5 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Base_8

Question 6 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Base_10

Question 7 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Base_16

Question 8 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Range:_0,1

Question 9 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Range:_0-7

Question 10 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Range:_0-9

Question 11 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Range_0-9,_A-F

Question 12 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=10100101

Question 13 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=85_(Base_8)

Question 14 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=112_(Base_10)

Question 15 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=7ADF

Question 16 (of 16)