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QR Challenge: International Pi Day

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. The radius of a bicycle wheel is 35cm. It rotated 16773 times during a particular journey. If the cyclist cycled at an average speed of 10km/h, how long was the journey?answer
2. A playground is in the shape of a square surrounded by four semi-circles. At its widest it is 31 metres wide. What is the area and perimeter of the playground?answer
3. The ratio between the area at the top and the bottom of a large yoghurt pot is 2:1. If the diameter at the bottom is 5.9cm, what is the diameter at the top?answer
4. Can you work out the area of the shape? Your clues are: minor radius is 4.2cm, the circumference around the outside of the shape is 54.67cm, the angle is 281°answer
5. A cylinder has a volume of 60cm^2, if it has a height of 5cm, how many cylinders can you fit into a cube 125cm^3?answer

 



International Pi Day: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_radius_of_a_bicycle_wheel_is_35cm._It_rotated_16773_times_during_a_particular_journey._If_the_cyclist_cycled_at_an_average_speed_of_10km/h,_how_long_was_the_journey?

Question 1 (of 5)

 



International Pi Day: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_playground_is_in_the_shape_of_a_square_surrounded_by_four_semi-circles._At_its_widest_it_is_31_metres_wide._What_is_the_area__and_perimeter_of_the_playground?

Question 2 (of 5)

 



International Pi Day: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_ratio_between_the_area_at_the_top_and_the_bottom_of_a_large_yoghurt_pot_is_2:1._If_the_diameter_at_the_bottom_is_5.9cm,_what_is_the_diameter_at_the_top?

Question 3 (of 5)

 



International Pi Day: QR Challenge

https://www.classtools.net/QR/decode.php?text=Can_you_work_out_the_area_of_the_shape?_Your_clues_are:__minor_radius_is_4.2cm,_the_circumference_around_the_outside_of_the_shape_is_54.67cm,_the_angle_is_281°

Question 4 (of 5)

 



International Pi Day: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_cylinder_has_a_volume_of_60cm^2,_if_it_has_a_height_of_5cm,_how_many_cylinders_can_you_fit_into_a_cube_125cm^3?

Question 5 (of 5)