Detailed Case Study Search the Archive Feedback

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

- Download a QR reader (e.g. I-Nigma | NeoReader | Kaywa) onto their mobile devices
- Bring these devices into the lesson.

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. 1.) If a 3-pound pizza is sliced in half and each half is sliced into thirds, what is the weight, in ounces, of each of the slices? (1 pound = 16 ounces) | C) 8 |

2. | |

3. 2.) −3 + 4 = 20 6 + 3 = 15 If (x, y) is the solution to the system of equations above, what is the value of x | ? = 0 |

4. | |

5. 3.) If 3 −2≥1 p , what is the least possible value of 3 +2 p ? | |

6. A) 5 | |

7. | |

8. 4.) fx x x ( ) = ( + 6)( − 4) Which of the following is an equivalent form of the function f above in which the minimum value of f appears as a constant or coefficient? | |

9. B) fx x x ( ) = + 2 − 24 2 | |

10. | |

11. 5.)If x is the average (arithmetic mean) of m and 9, y is the average of 2m and 15, and z is the average of 3m and 18, what is the average of x, y, and z in terms of m ? | |

12. B) m + 7 | |

13. | |

14. 6.) 15/225 is reduced to what fraction? | |

15. 1/15 | |

16. | |

17. 7.) 23 | 23 is equal to what? |

18. the answer is 529 | |

19. | |

20. 8.) 324/18 what does it equal? | |

21. the answer is 18 | |

22. | |

23. 9.) 35 | 40 is equal to what? |

24. the answer is 1,400 | |

25. | |

26. 10.) what the number of an acute angle and what is the angle measurement of a supplementary angle? | |

27. Acute angle is 90 degree and supplementary angle is equal to 180. |

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