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QR Challenge: Math 3 Unit 1

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. What is the radian measure of a full circle?2pi
2. What is the distance from the center to the a point on a circle called?radius
3. What is the Circumference of a circle with radius 4?8pi or 25.13
4. What is the measure of an arc if the central angle is 45 degrees?45
5. Alternate interior angles are always what?congruent
6. Same side interior angles are always what?supplementary
7. Supplementary means the angles add up to equal what?180
8. What is the radian measure of 30 degrees?pi/6
9. If the scale factor of similar triangles is 2.5 what will the corresponding length be to side length 26?65
10. What is the measure of an intercepted arc from an angle measure 42 with vertex on the circle?84
11. What is the area of a circle with radius 12?144pi
12. What is the area of a sector of a circle with radius 6 inches and central angle 120?37.70 in^2
13. Similar figures have the same shape but not necessarily the same what?size
14. When polygons are similar their sides are what?proportional
15. Use the pythagorean theorem to find the length of the hypotenuse with legs length 6 and 9.10.8
16. Use the pythagorean theorem to find the length of a leg of a right triangle with hypotenuse length 12 and leg length 8.8.9
17. The pythagorean theorem can only be used in what kind of triangle?right
18. What is the pythagorean theorem?a^2+b^2=c^2

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-radian-measure-of-a-full-circle?

Question 1 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-distance-from-the-center-to-the-a-point-on-a-circle-called?

Question 2 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-Circumference-of-a-circle-with-radius-4?

Question 3 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-measure-of-an-arc-if-the-central-angle-is-45-degrees?

Question 4 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Alternate-interior-angles-are-always-what?

Question 5 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Same-side-interior-angles-are-always-what?

Question 6 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Supplementary-means-the-angles-add-up-to-equal-what?

Question 7 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-radian-measure-of-30-degrees?

Question 8 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=If-the-scale-factor-of-similar-triangles-is-2.5-what-will-the-corresponding-length-be-to-side-length-26?

Question 9 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-measure-of-an-intercepted-arc-from-an-angle-measure-42-with-vertex-on-the-circle?

Question 10 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-area-of-a-circle-with-radius-12?

Question 11 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-area-of-a-sector-of-a-circle-with-radius-6-inches-and-central-angle-120?

Question 12 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Similar-figures-have-the-same-shape-but-not-necessarily-the-same-what?

Question 13 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=When-polygons-are-similar-their-sides-are-what?

Question 14 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Use-the-pythagorean-theorem-to-find-the-length-of-the-hypotenuse-with-legs-length-6-and-9.

Question 15 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Use-the-pythagorean-theorem-to-find-the-length-of-a-leg-of-a-right-triangle-with-hypotenuse-length-12-and-leg-length-8.

Question 16 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=The-pythagorean-theorem-can-only-be-used-in-what-kind-of-triangle?

Question 17 (of 18)

 


Math 3 Unit 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-pythagorean-theorem?

Question 18 (of 18)