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QR Challenge: History of the Computer

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. What was the code system used by the Egyptians?hieroglyphics
2. Why was it important to crack the code of the Enigma machine durin WW2?to decode German messages
3. Why do we encrypt data?to keep information secure
4. List two advantages of using barcodes in a shopping environmentspeed of processing customers and accuracy of identifying the products scanned
5. What is a QR code and how does it differ from a barcode?QR codes are 2d image made up of small blocks - bar code is 1 dimentional image of black and white strips; Quick Response codes link directly to text, emails, websites, phone numbers, etc while bar codes link to a database with product price and name

 


History of the Computer: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-was-the-code-system-used-by-the-Egyptians?

Question 1 (of 5)

 


History of the Computer: QR Challenge

https://www.classtools.net/QR/decode.php?text=Why-was-it-important-to-crack-the-code-of-the-Enigma-machine-durin-WW2?

Question 2 (of 5)

 


History of the Computer: QR Challenge

https://www.classtools.net/QR/decode.php?text=Why-do-we-encrypt-data?

Question 3 (of 5)

 


History of the Computer: QR Challenge

https://www.classtools.net/QR/decode.php?text=List-two-advantages-of-using-barcodes-in-a-shopping-environment

Question 4 (of 5)

 


History of the Computer: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-a-QR-code-and-how-does-it-differ-from-a-barcode?

Question 5 (of 5)