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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=Number System
Q1/16:

Binary&choe=UTF-8

Question 1 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q2/16:

Octal&choe=UTF-8

Question 2 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q3/16:

Decimal&choe=UTF-8

Question 3 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q4/16:

Hexadecimal&choe=UTF-8

Question 4 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q5/16:

Base 2&choe=UTF-8

Question 5 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q6/16:

Base 8&choe=UTF-8

Question 6 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q7/16:

Base 10&choe=UTF-8

Question 7 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q8/16:

Base 16&choe=UTF-8

Question 8 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q9/16:

Range: 0,1&choe=UTF-8

Question 9 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q10/16:

Range: 0-7&choe=UTF-8

Question 10 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q11/16:

Range: 0-9&choe=UTF-8

Question 11 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q12/16:

Range 0-9, A-F&choe=UTF-8

Question 12 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q13/16:

10100101&choe=UTF-8

Question 13 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q14/16:

85 (Base 8)&choe=UTF-8

Question 14 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q15/16:

112 (Base 10)&choe=UTF-8

Question 15 (of 16)

 



Number System: QR Challenge

https://www.classtools.net/QR/decode.php?text=Number System
Q16/16:

7ADF&choe=UTF-8

Question 16 (of 16)