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QR Challenge: Decimal addition

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. 8.647 + 85.26 + 6.812100.719
2. 86.201 + 863.1 + 5.89955.191
3. 96.35 + 6.384 + 9.858112.592
4. 7.61 + 5.967 + 596.874610.451
5. 34.85 + 85.697 + 8.657129.204
6. 9.325 + 85.247 + 895.7990.272
7. 8.304 + 42.895 + 468.8519.999
8. 9.621 + 314.8 + 5.647330.068
9. 68.632 + 524.6 + 53.54646.772
10. 93.67 + 6.712 + 653.6753.982
11. 86.314 + 6.631 + 108.45201.395
12. 7.201 + 85.201 + 654.2746.602
13. 63.068 + 9.06 + 785.47857.598
14. 763.5 + 7.04 + 69.355839.895
15. 68.31 + 80.369 + 7.5156.179
16. 97.35 + 5.987 + 324.6427.937
17. 4.305 + 7.62 + 358.3370.225
18. 96.3 + 302.54 + 6.985405.825
19. 96.34 + 704.3 + 9.52810.16
20. 78.31 + 2.08 + 4.8785.26
21. 9.675 + 65.32 + 862936.995
22. 63 + 532.1 + 4.97600.07
23. 85.69 + 34 + 3.316123.006
24. 9.623 + 475.32 + 9484.943
25. 14 + 56.32 + 7.84178.161

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=8.647-+-85.26-+-6.812

Question 1 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=86.201-+-863.1-+-5.89

Question 2 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=96.35-+-6.384-+-9.858

Question 3 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=7.61-+-5.967-+-596.874

Question 4 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=34.85-+-85.697-+-8.657

Question 5 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=9.325-+-85.247-+-895.7

Question 6 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=8.304-+-42.895-+-468.8

Question 7 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=9.621-+-314.8-+-5.647

Question 8 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=68.632-+-524.6-+-53.54

Question 9 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=93.67-+-6.712-+-653.6

Question 10 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=86.314-+-6.631-+-108.45

Question 11 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=7.201-+-85.201-+-654.2

Question 12 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=63.068-+-9.06-+-785.47

Question 13 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=763.5-+-7.04-+-69.355

Question 14 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=68.31-+-80.369-+-7.5

Question 15 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=97.35-+-5.987-+-324.6

Question 16 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=4.305-+-7.62-+-358.3

Question 17 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=96.3-+-302.54-+-6.985

Question 18 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=96.34-+-704.3-+-9.52

Question 19 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=78.31-+-2.08-+-4.87

Question 20 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=9.675-+-65.32-+-862

Question 21 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=63-+-532.1-+-4.97

Question 22 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=85.69-+-34-+-3.316

Question 23 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=9.623-+-475.32-+-9

Question 24 (of 25)

 


Decimal addition: QR Challenge

https://www.classtools.net/QR/decode.php?text=14-+-56.32-+-7.841

Question 25 (of 25)