# Print

## 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

• Bring these devices into the lesson.

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.

### Question

1. What has a starting point and ending point? line segment
2. What goes on forever in both directions? line
3. What is halfway between 2 points? midpoint
4. What has an endpoint and goes on in the other direction forever? ray
5. What are intersecting lines called that create 90 degree angles? perpendicular lines
6. What tool is used to measure angles? protractor
7. An angle less than 90 degrees is called a(an)______angle. acute
8. An angle more than 90 degrees but less than 180 degrees is a(an)_____angle. obtuse
9. An angle more than 180 degrees is a(an)____angle. reflex
10. An angle that is exactly 90 degrees is a(an)____angle. right
11. An angle that is exactly 180 degrees is a(an)_____angle. straight
12. What are lines that cross each other called? intersecting
13. 2-(-73)= 75
14. 39+(-20.4)= 18.6
15. 67.086-(-20)= 87.086
16. 3.008-46= -42.992
17. 85.082+48.11= 133.192
18. 17-(-58.12)= 75.12
19. 32+(-72.1)= -40.1
20. 12.006-(-49.29)= 61.296
21. 51.8-92.004= -40.204
22. -56/-8= 7
23. a/-7=-9 63
24. -50/a=10 -5
25. -36/9= -4
26. -6 x a=-18 3
27. a x -7= 49 -7

### 5th Grade Math Fun: QR Challenge

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