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QR Challenge: Percent of a Number

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. Find 2.5% of 160.4
2. Find 125% of 80100
3. Find 24% of 174.08
4. Find 52% of 11760.84
5. Find 42% of 125.04
6. Find 250% of 2050
7. Find 5.2% of 120.624
8. Find 38% of 1500570
9. What percent is 32 of 72?44.44%
10. What percent is 20 of 33?60.6%
11. What percent is 9 of 45?20%
12. What percent is 48 of 64?75%
13. What percent is 85 of 65?131%
14. What percent is 16 of 16?100%
15. What percent is 63 of 70?90%
16. What percent is 10 of 7.5?133%

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_2.5%_of_16

Question 1 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_125%_of_80

Question 2 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_24%_of_17

Question 3 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_52%_of_117

Question 4 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_42%_of_12

Question 5 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_250%_of_20

Question 6 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_5.2%_of_12

Question 7 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_38%_of_1500

Question 8 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_percent_is_32_of_72?

Question 9 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_percent_is_20_of_33?

Question 10 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_percent_is_9_of_45?

Question 11 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_percent_is_48_of_64?

Question 12 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_percent_is_85_of_65?

Question 13 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_percent_is_16_of_16?

Question 14 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_percent_is_63_of_70?

Question 15 (of 16)

 


Percent of a Number: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_percent_is_10_of_7.5?

Question 16 (of 16)