# 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. There were 7 slices out of 10 of the birthday cake left. If 3 people each took one slice and 1 person took 75% of the remainder , what fraction of the cake was left?10%
2. What is the complement of 55 degrees?35
3. What is the supplement of 55 degrees?125
4. There are 3 angles at a point, one is a right angle, one is 125 degrees, what is the third?145
5. The minute hand on a clock is pointing to the 4.
6. a) How many degrees has it moved since it was pointing to the 1 ? How long did it take?90
7. b) How many degrees has it moved since it was pointing to the 10 ? How long did it take?180
8. c) How man degrees will it move through to till it points to the 12. How long will it take?240
9. e) How many degrees will it move through in 1.5 hrs?540
10. 6. Classify the following angles:
11. ANGLE (degrees)CLASSIFICATION
12. 115Obtude
13. 333reflex
14. 75acut
15. 163 obtude
16. 43 acute
17. 180straight
18. 200refex
19. 300reflex
20. 5. One of two interior angles opposite angles to an exterior angle of the triangle measures 37 degrees,The exterior angle measures 122 degrees. What are the other 2 angles in the triangle?85

### Angles NOT Angels: QR Challenge

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