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QR Challenge: Math Unit 2 review

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. 6 x 3 18
2. 6 x 30 180
3. 60 x 30 1,800
4. 8 x 7 56
5. 8 x 70 560
6. 80 x 70 5,600
7. 800 x 70 56,000
8. 8 x 5 40
9. 80 x 5 400
10. 80 x 50 4,000
11. 800 x 50 40,000
12. Estimate 25 x 68 30 x 70=2,100
13. Estimate 42 x 37 40 x 40=1,600
14. Estimate 312 x 12 300 x 10=3,000
15. Estimate 4.8 x 57 5 x 60=300
16. Estimate 7.8 x 61 8 x 60=420
17. Estimate 42.9 x 2.67 40 x 3= 120

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=6_x_3

Question 1 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=6_x_30

Question 2 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=60_x_30

Question 3 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=8_x_7

Question 4 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=8_x_70

Question 5 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=80_x_70

Question 6 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=800_x_70

Question 7 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=8_x_5

Question 8 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=80_x_5

Question 9 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=80_x_50

Question 10 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=800_x_50

Question 11 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Estimate_25_x_68

Question 12 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Estimate_42_x_37

Question 13 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Estimate_312_x_12

Question 14 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Estimate_4.8_x_57

Question 15 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Estimate_7.8_x_61

Question 16 (of 17)

 


Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Estimate_42.9_x_2.67

Question 17 (of 17)