# 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. (1) Draw an example of Alternate Interior Angles if lines are parallel. n/a
2. (2) Draw an example of Corresponding Angles but the lines are NOT parallel. Are they congruent? n/a
3. (3) Draw an example of Same Side Interior Angles with parallel lines. n/a
4. (4) Draw an example of Alternate Exterior Angles if lines are parallel n/a
5. (5) Take a look at the promethean board. If m<1 = 1 degrees, What is m<2 = ? m<2=179
6. (6) Take a look at the promethean board. If m<6 = 123 degrees, what is m<8 = ? m<8=123
7. (7) Take a look at the promethean board. m<5 = 130 and m<7 = 4x + 8, solve for x. x = 30.5
8. (8) Take a look at the promethean board. m<4 = x + 45, m<5 = 65. Solve for x. x = 75
9. (9) Take a look at the promethean board. Name the angles NOT congruent to < 4. <1, <5, < 3, <7
10. (10) Take a look at the promethean board. Name the angles congruent to <4. <2, <6, <8
11. (11) Take a look at the promethean board. Prove that <1 is congruent to <7 using a proof table. You can do it! na
12. (12) Take a look at the promethean board. <1= (-2n) and <7=(14-4n) Solve for n. na
13. (13) Take a look at the promethean board. Prove that <3 is congruent to <5 using a proof table. You can do it! na
14. (14) Take a look at the promethean board. <4= (12k+15) and <6=(35+2k) Solve for ALL ANGLES. na
15. (15) Take a look at the promethean board. Prove that <4 and <5 are supplementary using a proof table. You can do it! na
16. (16) Take a look at the promethean board. Transversal t is perpendicular to line a. Prove that t is also perpendicular to line b using a proof table. na
17. (17) Take a look at the promethean board. <4 = 7x + 53 and < 5 = 6x + 127. Solve for x. na
18. (18) Take a look at the promethean board. <3 = 5(3x + 5) and <7 = 7x + 8 na
19. (19) Take a look at the promethean board. <2 = 6x + 11 and <5 = 8x - 13 na
20. (20) Take a look at the promethean board. Name ALL the angle pairs that are supplementary. (Hint: there are 14). na

### Lines and Angles : QR Challenge

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