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QR Challenge: Find the area

Created using the ClassTools QR Treasure Hunt Generator

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Detailed Case Study Search the Archive Feedback

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 rectangle has a perimeter of 20cm. What possible areas could it have?20X1 5X4 10X2
2. A rectangle has a perimeter of 18cm. What possible areas could it have?18X1 9X2 6X3
3. A rectangle has a perimeter of 100cm. What possible areas could it have?100X1 50X2 20X5
4. If a rectangle is 14cm long and 8cm wide what is its area?112
5. If a rectangle is 12cm long and 7cm wide. What is its area?84
6. If a rectangle is 18cm long and 6cm wide. What is its area?108

 


Find the area: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_rectangle_has_a_perimeter_of_20cm._What_possible_areas_could_it_have?

Question 1 (of 6)

 


Find the area: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_rectangle_has_a_perimeter_of_18cm._What_possible_areas_could_it_have?

Question 2 (of 6)

 


Find the area: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_rectangle_has_a_perimeter_of_100cm._What_possible_areas_could_it_have?

Question 3 (of 6)

 


Find the area: QR Challenge

https://www.classtools.net/QR/decode.php?text=If_a_rectangle_is_14cm_long_and_8cm_wide_what_is_its_area?

Question 4 (of 6)

 


Find the area: QR Challenge

https://www.classtools.net/QR/decode.php?text=If_a_rectangle_is_12cm_long_and_7cm_wide._What_is_its_area?

Question 5 (of 6)

 


Find the area: QR Challenge

https://www.classtools.net/QR/decode.php?text=If_a_rectangle_is_18cm_long_and_6cm_wide._What_is_its_area?

Question 6 (of 6)