QR Challenge: Dividing up to 4dg 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. 564 divided by 4 | 141
|
2. 987 divided by 3 | 329
| 3. 147 divided by 6 | 147 r 3
| 4. 558 divided by 6 | 93
| 5. 1453 divided by 3 | 484 r 1
| 6. 57 people are going on a school trip. They are travelling by car. 5 people can go in each car. How many cars are needed? How many drivers are needed? | 12
| 7. 8765 divided by 5 | 1753
| 8. 1450 divided by 10 | 145
| 9. 13.67 divided by 100 | 0.1367
| 10. 7800 divided by 1000 | 7.8
| 11. 9874 divided by 4 | 2468 r2
| 12. 5642 divided by 2 | 2821
| 13. 9876 divided by 6 | 1646
| 14. Cans are put in packs of 6. There are 1467 cans in a workshop. How many packs can be made? | 244
| 15. 7861 divided by 7 | 1123 |
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=564-divided-by-4
Question 1 (of 15)
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=987-divided-by-3
Question 2 (of 15)
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=147-divided-by-6
Question 3 (of 15)
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=558-divided-by-6
Question 4 (of 15)
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=1453-divided-by-3
Question 5 (of 15)
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=57-people-are-going-on-a-school-trip.-They-are-travelling-by-car.-5-people-can-go-in-each-car.-How-many-cars-are-needed?-How-many-drivers-are-needed?
Question 6 (of 15)
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=8765-divided-by-5
Question 7 (of 15)
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=1450-divided-by-10
Question 8 (of 15)
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=13.67-divided-by-100
Question 9 (of 15)
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=7800-divided-by-1000
Question 10 (of 15)
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=9874-divided-by-4
Question 11 (of 15)
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=5642-divided-by-2
Question 12 (of 15)
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=9876-divided-by-6
Question 13 (of 15)
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=Cans-are-put-in-packs-of-6.-There-are-1467-cans-in-a-workshop.-How-many-packs-can-be-made?
Question 14 (of 15)
Dividing up to 4dg numbers: QR Challenge
https://www.classtools.net/QR/decode.php?text=7861-divided-by-7
Question 15 (of 15)
