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QR Challenge: Multiplying and dividing fractions

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. 4/5 + 8/1016/10
2. 4/6 + 6/834/24
3. 1 and 1/5 x 22 and 2/5
4. 7 x 3 and 1/224 and 1/2
5. 11/15 x 75 and 2/15
6. 2 and 2/5 x 37 and 1/5
7. 4/20 divided by 41/20
8. 24/25 divided by 64/25
9. 6/8 divided by ? =1/43
10. 24/20 divided by ? = 1/2024
11. ? =19/20 divided by 519/100
12. 1/3 divided by 31/9
13. 3/4 of a kilogram of rice is divided equally between 2 bowls. How much is in each bowl?3/8 kg
14. 4/5 divided by 22/5
15. 1/5 divided by 71/35

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=4/5_+_8/10

Question 1 (of 15)

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=4/6_+_6/8

Question 2 (of 15)

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=1_and_1/5_x_2

Question 3 (of 15)

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=7_x_3_and_1/2

Question 4 (of 15)

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=11/15_x_7

Question 5 (of 15)

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=2_and_2/5_x_3

Question 6 (of 15)

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=4/20_divided_by_4

Question 7 (of 15)

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=24/25_divided_by_6

Question 8 (of 15)

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=6/8_divided_by_?_=1/4

Question 9 (of 15)

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=24/20_divided_by_?_=_1/20

Question 10 (of 15)

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=?_=19/20_divided_by_5

Question 11 (of 15)

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=1/3_divided_by_3

Question 12 (of 15)

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=3/4_of_a_kilogram_of_rice_is_divided_equally_between_2_bowls._How_much_is_in_each_bowl?

Question 13 (of 15)

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=4/5_divided_by_2

Question 14 (of 15)

 



Multiplying and dividing fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=1/5_divided_by_7

Question 15 (of 15)