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QR Challenge: Pi-rate Quiz

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. A circle has an area of 15 square centimetres. Find its radius in centimetres.2.19
2. A circle has a circumference of 190 m. Find its radius in metres.30.2
3. Find the radius, in metres, of a circle of area 22 square kilometres.2650
4. Find the radius, in millimetres, of a circle of circumference 58.6 cm.93.3
5. A circle has an area of 16 square millimetres. Find its circumference in millimetres.14.2
6. A circle has a circumference of 2500 kilometres. Find its area in square kilometres.497000
7. Alpha is the first letter in the Greek alphabet. In which position in the Greek alphabet does pi come?16
8. The first 144 digits of pi add up to which number?666

 


Pi-rate Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_circle_has_an_area_of_15_square_centimetres.__Find_its_radius_in_centimetres.

Question 1 (of 8)

 


Pi-rate Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_circle_has_a_circumference_of_190_m.__Find_its_radius_in_metres.

Question 2 (of 8)

 


Pi-rate Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_the_radius,_in_metres,_of_a_circle_of_area_22_square_kilometres.

Question 3 (of 8)

 


Pi-rate Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_the_radius,_in_millimetres,_of_a_circle_of_circumference_58.6_cm.

Question 4 (of 8)

 


Pi-rate Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_circle_has_an_area_of_16_square_millimetres.__Find_its_circumference_in_millimetres.

Question 5 (of 8)

 


Pi-rate Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_circle_has_a_circumference_of_2500_kilometres.__Find_its_area_in_square_kilometres.

Question 6 (of 8)

 


Pi-rate Quiz: QR Challenge

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

Question 7 (of 8)

 


Pi-rate Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_first_144_digits_of_pi_add_up_to_which_number?

Question 8 (of 8)