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QR Challenge: Area and Perimeter

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. What is the area of a parallelogram with with a base of 4.5 in and a height of 6.9 in?31.05 inches squared
2. What is the area of a triangle with a base of 21.4 in and a height of .02 in?0.214 inches squared
3. What is the perimeter of square with side lengths of .003 inches?0.012 inches
4. What is the perimeter of an equilateral triangle with the following side lengths: 4.5 cm, 8.006 cm. and 2 cm?14.506 cm
5. What is the area of a rectangle with side lengths of 41.9 m and 23.2 m?972.08 meters squared
6. What is the area of a rectangle in centimeters with sides of 14 centimeters and 3 meters?4200 centimeters squared because 3 meters equals 300 cm
7. What is the area of a triangle with a base of .5 ft and a height of 24 ft?6 feet squared
8. What is the area of a circle with a radius of 3cm? 28.26 cm squared
9. What is the area of circle with a diameter of 8 in?50.24 in squared
10. What is the perimeter of the shape on the page titled "Perimeter 1"?25 cm
11. What is the area of the shape the page titled "Area 1"? 63 inches squared
12. What is the area of triangle with a base of 13 cm and a height of 5 cm?32.5 cm squared
13. What is the area of a parallelogram with a base of 0.76 in and a height of 0.4 in?0.184 in squared
14. What is the area of square with a side length of 0.8 mm?0.64 mm squared
15. What is the perimeter of the shape on the page titled "Perimeter 2"? 21 cm
16. What is the missing dimension of the shape on the page titled "Perimeter 2"? 2.5 cm

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-area-of-a-parallelogram-with-with-a-base-of-4.5-in-and-a-height-of-6.9-in?

Question 1 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-area-of-a-triangle-with-a-base-of-21.4-in-and-a-height-of-.02-in?

Question 2 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-perimeter-of-square-with-side-lengths-of-.003-inches?

Question 3 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-perimeter-of-an-equilateral-triangle-with-the-following-side-lengths:-4.5-cm,-8.006-cm.-and-2-cm?

Question 4 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-area-of-a-rectangle-with-side-lengths-of-41.9-m-and-23.2-m?

Question 5 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-area-of-a-rectangle-in-centimeters-with-sides-of-14-centimeters-and-3-meters?

Question 6 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-area-of-a-triangle-with-a-base-of-.5-ft-and-a-height-of-24-ft?

Question 7 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-area-of-a-circle-with-a-radius-of-3cm?

Question 8 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-area-of-circle-with-a-diameter-of-8-in?

Question 9 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-perimeter-of-the-shape-on-the-page-titled-"Perimeter-1"?

Question 10 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-area-of-the-shape-the-page-titled-"Area-1"?

Question 11 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-area-of-triangle-with-a-base-of-13-cm-and-a-height-of-5-cm?

Question 12 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-area-of-a-parallelogram-with-a-base-of-0.76-in-and-a-height-of-0.4-in?

Question 13 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-area-of-square-with-a-side-length-of-0.8-mm?

Question 14 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-perimeter-of-the-shape-on-the-page-titled-"Perimeter-2"?

Question 15 (of 16)

 


Area and Perimeter : QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-missing-dimension-of-the-shape-on-the-page-titled-"Perimeter-2"?

Question 16 (of 16)