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. 58882, 59382, 59882, ? | 60382 |

2. 2. 10.01 x1000 | 10010 |

3. 3. Round 37485 to the nearest thousand | 37000 |

4. 4. What is MMDCCCLXXIV | 2874 |

5. 5. 15672 – 3200 = | 12472 |

6. 6. 4506 ÷ 100 = | 45.06 |

7. 7. 30003 ÷ 1000 = | 30.003 |

8. 8. Which number <100 has factors: 2,3,5,6? | 30 |

9. 9. Which is the 12th prime number? | 37 |

10. 10. Which number <100 is both a square number and a cube number? | 64 |

11. 11. What is 45 sevenths as a mixed number? | 6 and 3 sevenths |

12. 12. Which of these is equivalent to 2 fifths: 0.5, 18 twentieths, 40%, ,12 fifteenths, 0.85? | 40% |

13. 13. What is ¾ as a decimal? | 0.75 |

14. 14. If the area of my square is 96cm², what is the length of a side? | 24cm |

15. 15. What is 5,678m as km? | 5.678km |

16. 16. How may vertices are there on… 7 cubes + 5 cylinders + 9 square-based pyramids – 3 triangular prisms? | 78 |

17. 17. If I put four octagons together to make a ‘square honeycomb’, what shape is the gap in the middle? | Square |

18. 18. On a coordinates quadrant, you start at (6,5), travel 3 squares up, 4 right, 7 down, 8 left, up 1, 6 right; what are your coordinates now? | (8,2) |

19. 19. What is 3.48am minus 425minutes? | 8.23pm |

20. 20. You know that a rectangle has a perimeter of 132cm and that side A is 28cm; how long is side B (which is perpendicular to side A)? | 38cm |

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