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QR Challenge: Area, Perimeter and Circumference

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. Annie is covering a wall with wallpaper that is 10 feet tall and 14 feet long. How much wallpaper will Annie need to cover the wall?140 square feet.
2. Find the area of a circle that has a diameter of 14 cm.153.94 cm
3. You are mowing the lawn. It is a square lawn that is 56ft on each side and it has a circular pond with a diameter of 6 ft. What is the area of the lawn you are mowing?3107.74 ft
4. Joey needs to fence in his backyard for his new dog to run around in. The lawn is a rectangle with side lengths of 12 yards and 15 yards. How many yards of fencing will Joey need?54 yards
5. Find the circumference of a circle who has a radius of 7 cm.43.98 cm

 


Area, Perimeter and Circumference: QR Challenge

https://www.classtools.net/QR/decode.php?text=Area, Perimeter and Circumference
Q1/5:

Annie is covering a wall with wallpaper that is 10 feet tall and 14 feet long. How much wallpaper will Annie need to cover the wall?&choe=UTF-8

Question 1 (of 5)

 


Area, Perimeter and Circumference: QR Challenge

https://www.classtools.net/QR/decode.php?text=Area, Perimeter and Circumference
Q2/5:

Find the area of a circle that has a diameter of 14 cm.&choe=UTF-8

Question 2 (of 5)

 


Area, Perimeter and Circumference: QR Challenge

https://www.classtools.net/QR/decode.php?text=Area, Perimeter and Circumference
Q3/5:

You are mowing the lawn. It is a square lawn that is 56ft on each side and it has a circular pond with a diameter of 6 ft. What is the area of the lawn you are mowing?&choe=UTF-8

Question 3 (of 5)

 


Area, Perimeter and Circumference: QR Challenge

https://www.classtools.net/QR/decode.php?text=Area, Perimeter and Circumference
Q4/5:

Joey needs to fence in his backyard for his new dog to run around in. The lawn is a rectangle with side lengths of 12 yards and 15 yards. How many yards of fencing will Joey need?&choe=UTF-8

Question 4 (of 5)

 


Area, Perimeter and Circumference: QR Challenge

https://www.classtools.net/QR/decode.php?text=Area, Perimeter and Circumference
Q5/5:

Find the circumference of a circle who has a radius of 7 cm.&choe=UTF-8

Question 5 (of 5)