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QR Challenge: Rounding Numbers 2

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. 22.3 to the nearest unit22
2. 1207 to the nearest hundred1200
3. 3999 to the nearest hundred4000
4. 29.7 to the nearest unit 30
5. 54.9 to the nearest unit55
6. 12,374 to the nearest thousand12,000
7. 10,766 to the nearest hundred10,800
8. 104,307 to the nearest ten104,310
9. 22.9 to the nearest unit23
10. 17,804 to the nearest hundred17,800
11. 17,999 to the nearest ten18,000
12. 94.6 to the nearest unit95
13. 74.9 to the nearest unit75
14. 14,765 to the nearest hundred14,800
15. 99,657 to the nearest hundred99,700
16. 40.4 to the nearest unit40
17. 3099 to the nearest thousand3000
18. 109,567 to the nearest hundred109,600
19. 38.5 to the nearest unit39
20. 909,909 to the nearest hundred909,900

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=22.3_to_the_nearest_unit

Question 1 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=1207_to_the_nearest_hundred

Question 2 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=3999_to_the_nearest_hundred

Question 3 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=29.7_to_the_nearest_unit

Question 4 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=54.9_to_the_nearest_unit

Question 5 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=12,374_to_the_nearest_thousand

Question 6 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=10,766_to_the_nearest_hundred

Question 7 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=104,307_to_the_nearest_ten

Question 8 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=22.9_to_the_nearest_unit

Question 9 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=17,804_to_the_nearest_hundred

Question 10 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=17,999_to_the_nearest_ten

Question 11 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=94.6_to_the_nearest_unit

Question 12 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=74.9_to_the_nearest_unit

Question 13 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=14,765_to_the_nearest_hundred

Question 14 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=99,657_to_the_nearest_hundred

Question 15 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=40.4_to_the_nearest_unit

Question 16 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=3099_to_the_nearest_thousand

Question 17 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=109,567_to_the_nearest_hundred

Question 18 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=38.5_to_the_nearest_unit

Question 19 (of 20)

 


Rounding Numbers 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=909,909_to_the_nearest_hundred

Question 20 (of 20)