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. How many faces does a cube have? | 6 |

2. How many lines of symmetry does a regular hexagon have? | 6 |

3. What is the area of a square of side 6cm? | 36 |

4. A lesson lasts for 50 minutes. It starts at 13.35, what time will it finish? | 14.25 |

5. What is the sum of 63 and 72? | 135 |

6. What is the difference beween 51 and 17? | 34 |

7. What is the product of 9 and 6? | 54 |

8. Divide 63 by 9 | 7 |

9. The probability of a train arriving early is 0.03. What is the probability of it not arriving early? | 0.97 |

10. I throw an ordinary dice numbered 1 to 6. What is the probability of getting an odd number? | 0.5 |

11. What is the mean of 7, 3, 10 and 30? | 12.5 |

12. What is the mode of 9, 2, 4, 2, 6? | 2 |

13. Simplify 2a-3a+7a. | 6a |

14. Expand 7(2a+3) | 14a+21 |

15. Solve the equation x+7=12 | x=5 |

16. Solve the equation 2x-1=11 | x=6 |

17. What do the angles in a triangle add up to? | 180 |

18. What do the angles at a point add up to? | 360 |

19. What is the size of the interior angle in a square? | 90 |

20. What type of angle is 192? | reflex |

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