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QR Challenge: Significant Figures Treasure Hunt

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. How many significant figures are in 9940?3
2. How many significant figures are in 6000?1
3. How many significant figures are in 0.0009?1
4. How many significant figures are in 402?3
5. How many significant figures are in 0.26?2
6. How many significant figures are in 0.05380?4
7. 11.73 - 7.24.5
8. 99.2 + 8.5 + 69.2727177.0
9. 58.599 + 84.5557143.155
10. 61.9 + 47.347109.2
11. 21.2962 - 9.911.4
12. 2.8494 + 2.9 + 44.479250.2
13. 0.079 x 27822
14. 3001 ÷ 5.46550
15. 2004 ÷ 62.12532.26
16. 2.86 x 67.2192
17. 800 x 0.044 x 90030,000
18. 0.007 x 0.400.003
19. 50 ÷ 3.7410
20. 82.71 x 99.608,238

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_significant_figures_are_in_9940?

Question 1 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_significant_figures_are_in_6000?

Question 2 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_significant_figures_are_in_0.0009?

Question 3 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_significant_figures_are_in_402?

Question 4 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_significant_figures_are_in_0.26?

Question 5 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_significant_figures_are_in_0.05380?

Question 6 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=11.73_-_7.2

Question 7 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=99.2_+_8.5_+_69.2727

Question 8 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=58.599_+_84.5557

Question 9 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=61.9_+_47.347

Question 10 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=21.2962_-_9.9

Question 11 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=2.8494_+_2.9_+_44.4792

Question 12 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=0.079_x_278

Question 13 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=3001_÷_5.46

Question 14 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=2004_÷_62.125

Question 15 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=2.86_x_67.2

Question 16 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=800_x_0.044_x_900

Question 17 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=0.007_x_0.40

Question 18 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=50_÷_3.74

Question 19 (of 20)

 


Significant Figures Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=82.71_x_99.60

Question 20 (of 20)