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QR Challenge: Rounding decimals

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. What two whole numbers does 3.4 sit between?3 and 4
2. What two whole numbers does 6.8 sit between?6 and 7
3. What two whole numbers does 33.9 sit between?33 and 34
4. What two whole numbers does 76.5 sit between?76 and 77
5. Is 34.2 rounded to the nearest whole number 34 or 35?34
6. Is 76.5 rounded to the nearest whole number 76 or 77?77
7. Is 63.8 rounded to the nearest whole number 63 or 64?64
8. What is 3.1 rounded to the nearest whole number?3
9. What is 5.7 rounded to the nearest whole number?6
10. What is 4.3 rounded to the nearest whole number?4
11. What is 21.5 rounded to the nearest whole number?22
12. What is 65.5 rounded to the nearest whole number?66
13. What is 135.5 rounded to the nearest whole number?136
14. What is 543.2 rounded to the nearest whole number?543
15. What is 649.5 rounded to the nearest whole number?650

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_two_whole_numbers_does_3.4_sit_between?

Question 1 (of 15)

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_two_whole_numbers_does_6.8_sit_between?

Question 2 (of 15)

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_two_whole_numbers_does_33.9_sit_between?

Question 3 (of 15)

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_two_whole_numbers_does_76.5_sit_between?

Question 4 (of 15)

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=Is_34.2_rounded_to_the_nearest_whole_number_34_or_35?

Question 5 (of 15)

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=Is_76.5_rounded_to_the_nearest_whole_number_76_or_77?

Question 6 (of 15)

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=Is_63.8_rounded_to_the_nearest_whole_number_63_or_64?

Question 7 (of 15)

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_3.1_rounded_to_the_nearest_whole_number?

Question 8 (of 15)

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_5.7_rounded_to_the_nearest_whole_number?

Question 9 (of 15)

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_4.3_rounded_to_the_nearest_whole_number?

Question 10 (of 15)

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_21.5_rounded_to_the_nearest_whole_number?

Question 11 (of 15)

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_65.5_rounded_to_the_nearest_whole_number?

Question 12 (of 15)

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_135.5_rounded_to_the_nearest_whole_number?

Question 13 (of 15)

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_543.2_rounded_to_the_nearest_whole_number?

Question 14 (of 15)

 


Rounding decimals: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_649.5_rounded_to_the_nearest_whole_number?

Question 15 (of 15)