QR Challenge: Addition of two digit numbers
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
- Download a QR reader (e.g. I-Nigma | NeoReader | Kaywa) onto their mobile devices
- Bring these devices into the lesson.
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. Forty Two plus Thirty Three | 75
|
2.
| | 3.
| | 4. Twenty One plus Twenty Seven | 48
| 5.
| | 6.
| | 7. Thirteen plus Forty One | 54
| 8.
| | 9. Thirty six plus twelve | 48
| 10.
| | 11. Twenty plus fifteen | 35
| 12.
| | 13. Seventy One plus Eight | 79 |
Addition of two digit numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=Addition of two digit numbers
Q1/13:
Forty Two plus Thirty Three &choe=UTF-8
Question 1 (of 13)
Addition of two digit numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=Addition of two digit numbers
Q2/13:
&choe=UTF-8
Question 2 (of 13)
Addition of two digit numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=Addition of two digit numbers
Q3/13:
&choe=UTF-8
Question 3 (of 13)
Addition of two digit numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=Addition of two digit numbers
Q4/13:
Twenty One plus Twenty Seven &choe=UTF-8
Question 4 (of 13)
Addition of two digit numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=Addition of two digit numbers
Q5/13:
&choe=UTF-8
Question 5 (of 13)
Addition of two digit numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=Addition of two digit numbers
Q6/13:
&choe=UTF-8
Question 6 (of 13)
Addition of two digit numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=Addition of two digit numbers
Q7/13:
Thirteen plus Forty One &choe=UTF-8
Question 7 (of 13)
Addition of two digit numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=Addition of two digit numbers
Q8/13:
&choe=UTF-8
Question 8 (of 13)
Addition of two digit numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=Addition of two digit numbers
Q9/13:
Thirty six plus twelve &choe=UTF-8
Question 9 (of 13)
Addition of two digit numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=Addition of two digit numbers
Q10/13:
&choe=UTF-8
Question 10 (of 13)
Addition of two digit numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=Addition of two digit numbers
Q11/13:
Twenty plus fifteen &choe=UTF-8
Question 11 (of 13)
Addition of two digit numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=Addition of two digit numbers
Q12/13:
&choe=UTF-8
Question 12 (of 13)
Addition of two digit numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=Addition of two digit numbers
Q13/13:
Seventy One plus Eight &choe=UTF-8
Question 13 (of 13)