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QR Challenge: Number Day 2023

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 + 11 =3
2. 4 – 6 = -2
3. -2 – 7 =-9
4. -9 + 4 =-5
5. 4 + -3 =1
6. 9 - + 7 =13
7. 2 - -6 = -4
8. -8 + 10 =2
9. -4 x 7 =-28
10. 9 x -3 =-27
11. -7 x -11 =77
12. 15 ÷ -5 =-3
13. -49 ÷ 7 =-7
14. -30 ÷ -6 = 5
15. (-4)2 =-16
16. (-3)2 =-9
17. (-2)3 =-8
18. Use the table to find which day was the warmest?see Mrs Murthy
19. Use the table to find which day was the coolest?see Mrs Murthy
20. Use the table to find what is the difference between the warmest and the coolest temperature?see Mrs Murthy
21. Use the table. The next Monday, the temperature reduced by 8 degrees from the previous day. Find the temperature on that day.see Mrs Murthy
22. Use the table. Find the mean of the numbers: -3, 7, -1, 9, -5, -1see Mrs Murthy
23. Use the table. Find the range of the numbers: 10, -3, 0, -7, 4, 11, -19see Mrs Murthy
24. Challenge - Work out: -6 x (4 + -2)2 - -11see Mrs Murthy

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=-8-+-11-=

Question 1 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=4-–-6-=

Question 2 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=-2-–-7-=

Question 3 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=-9-+-4-=

Question 4 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=4-+--3-=

Question 5 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=9---+-7-=

Question 6 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=2----6-=

Question 7 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=-8-+-10-=

Question 8 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=-4-x-7-=

Question 9 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=9-x--3-=

Question 10 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=-7-x--11-=

Question 11 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=15-÷--5-=

Question 12 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=-49-÷-7-=

Question 13 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=-30-÷--6-=

Question 14 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=(-4)2-=

Question 15 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=(-3)2-=

Question 16 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=(-2)3-=

Question 17 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=Use-the-table-to-find-which-day-was-the-warmest?

Question 18 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=Use-the-table-to-find-which-day-was-the-coolest?

Question 19 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=Use-the-table-to-find-what-is-the-difference-between-the-warmest-and-the-coolest-temperature?

Question 20 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=Use-the-table.--The-next-Monday,-the-temperature-reduced-by-8-degrees-from-the-previous-day.--Find-the-temperature-on-that-day.

Question 21 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=Use-the-table.-Find-the-mean-of-the-numbers:----3,-7,--1,-9,--5,--1

Question 22 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=Use-the-table.--Find-the-range-of-the-numbers:---10,--3,-0,--7,-4,-11,--19

Question 23 (of 24)

 


Number Day 2023: QR Challenge

https://www.classtools.net/QR/decode.php?text=Challenge----Work-out:---6-x--(4-+--2)2------11

Question 24 (of 24)