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QR Challenge: Math Unit 2 review

Created using the ClassTools QR Treasure Hunt Generator

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=Math Unit 2 review
Q1/17:

6 x 3 &choe=UTF-8

Question 1 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q2/17:

6 x 30 &choe=UTF-8

Question 2 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q3/17:

60 x 30 &choe=UTF-8

Question 3 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q4/17:

8 x 7 &choe=UTF-8

Question 4 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q5/17:

8 x 70 &choe=UTF-8

Question 5 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q6/17:

80 x 70 &choe=UTF-8

Question 6 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q7/17:

800 x 70 &choe=UTF-8

Question 7 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q8/17:

8 x 5 &choe=UTF-8

Question 8 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q9/17:

80 x 5 &choe=UTF-8

Question 9 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q10/17:

80 x 50 &choe=UTF-8

Question 10 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q11/17:

800 x 50 &choe=UTF-8

Question 11 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q12/17:

Estimate 25 x 68 &choe=UTF-8

Question 12 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q13/17:

Estimate 42 x 37 &choe=UTF-8

Question 13 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q14/17:

Estimate 312 x 12 &choe=UTF-8

Question 14 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q15/17:

Estimate 4.8 x 57 &choe=UTF-8

Question 15 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q16/17:

Estimate 7.8 x 61 &choe=UTF-8

Question 16 (of 17)

 



Math Unit 2 review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Math Unit 2 review
Q17/17:

Estimate 42.9 x 2.67 &choe=UTF-8

Question 17 (of 17)