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
4. Cut them out and place them around your class / school.
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!
4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.
Question | Answer |
| 1. What is the first step using substitution? y = 2x and x + 3y = 14. | x + 3(2x) = 14 | 2. What is the first step using substitution? x = y - 3 and 5x + 3y = 1. | 5(y-3)+3y=1 | 3. What is the first step using substitution? y= - 4x and 6x + y = 6. | 6x + (-4x) = 6 | 4. What is the first step using substitution? 2x - 3y = 9 and x = 2y + 2. | x | 5. Solve for (x, y) using substitution: y = 2 - x and 5x + 4y = 5 | (-3, 5) | 6. Solve for (x,y) using substitution: y = 5x - 9 and x = y + 5 | (1, -4) | 7. Solve for (x,y) using substitution: y = 2x and x + 3y = 14 | (x,y) | 8. Solve for (x,y) using substitution: x = y - 3 and 5x + 3y = 1 | (x,y) | 9. Solve for (x,y) using substitution: y = -4x and 6x + y = 6 | (x,y) | 10. Solve for (x,y) using substitution: 2x - 3y = 9 and x = 2y + 2 | (x,y) | 11. Solve for (x,y) using substitution: 3x - y = 7 and y = 2x - 4 | (x,y) | 12. Solve for (x,y) using substitution: x = 2y + 7 and 3y - x = 8 | (x,y) | 13. Solve for (x,y) using substitution: y = x - 4 and 2x - 3y = 11 | (x,y) | 14. Captain America saw the equations 5x + y = 10 and y = 3 - x. His end result was 5(3 - x) + y = 10. What did he do wrong? | He replaced the x instead of the y. | 15. Ms. Chan was solving the equations y = 2x and y + x = 1. She then got y + 2x = 1. Is she right? Why or why not? | N/A | 16. Batman says “I’m Batman”. He also says there’s only one way to solve the equations 2x - 3y = -2 and y = -4x + 24. Is he right? | no, he could graph them or use substitution. | 17. Solve for (x,y) using substitution: y = 10 - 2x and 3x - 2y = 22 | (x,y) | 18. Solve for (x,y) using substitution: 2x - 3y = -2 and y = -4x + 24 | (x,y) | 19. Solve for (x,y) using substitution: y = 50x + 4 and y - 32x = 40 | (x,y) |
What is the first step using substitution? y = 2x and x + 3y = 14. &choe=UTF-8
Question 1 (of 19)
What is the first step using substitution? x = y - 3 and 5x + 3y = 1. &choe=UTF-8
Question 2 (of 19)
What is the first step using substitution? y= - 4x and 6x + y = 6. &choe=UTF-8
Question 3 (of 19)
What is the first step using substitution? 2x - 3y = 9 and x = 2y + 2. &choe=UTF-8
Question 4 (of 19)
Solve for (x, y) using substitution: y = 2 - x and 5x + 4y = 5 &choe=UTF-8
Question 5 (of 19)
Solve for (x,y) using substitution: y = 5x - 9 and x = y + 5 &choe=UTF-8
Question 6 (of 19)
Solve for (x,y) using substitution: y = 2x and x + 3y = 14 &choe=UTF-8
Question 7 (of 19)
Solve for (x,y) using substitution: x = y - 3 and 5x + 3y = 1 &choe=UTF-8
Question 8 (of 19)
Solve for (x,y) using substitution: y = -4x and 6x + y = 6 &choe=UTF-8
Question 9 (of 19)
Solve for (x,y) using substitution: 2x - 3y = 9 and x = 2y + 2 &choe=UTF-8
Question 10 (of 19)
Solve for (x,y) using substitution: 3x - y = 7 and y = 2x - 4 &choe=UTF-8
Question 11 (of 19)
Solve for (x,y) using substitution: x = 2y + 7 and 3y - x = 8 &choe=UTF-8
Question 12 (of 19)
Solve for (x,y) using substitution: y = x - 4 and 2x - 3y = 11 &choe=UTF-8
Question 13 (of 19)
Captain America saw the equations 5x + y = 10 and y = 3 - x. His end result was 5(3 - x) + y = 10. What did he do wrong? &choe=UTF-8
Question 14 (of 19)
Ms. Chan was solving the equations y = 2x and y + x = 1. She then got y + 2x = 1. Is she right? Why or why not? &choe=UTF-8
Question 15 (of 19)
Batman says “I’m Batman”. He also says there’s only one way to solve the equations 2x - 3y = -2 and y = -4x + 24. Is he right? &choe=UTF-8
Question 16 (of 19)
Solve for (x,y) using substitution: y = 10 - 2x and 3x - 2y = 22 &choe=UTF-8
Question 17 (of 19)
Solve for (x,y) using substitution: 2x - 3y = -2 and y = -4x + 24 &choe=UTF-8
Question 18 (of 19)
Solve for (x,y) using substitution: y = 50x + 4 and y - 32x = 40 &choe=UTF-8
Question 19 (of 19)
