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. What is the missing number? 3, 6, _ , 12 | 9 |

2. What is the name of the quadrilateral with all sides equal, all angles equal? | Square |

3. What is 4535 rounded to the nearest 10? | 4540 |

4. How many hundreds are there in one thousand? | 10 |

5. Subtract 21 from 40 | 19 |

6. What is 8 x 8 | 64 |

7. Add together 90, 110 and 120 | 320 |

8. Add together 6 and 66 | 72 |

9. Multiply 91 by 2 | 182 |

10. What is the next odd number after 999? | 1001 |

11. Take away 95 from 110 | 15 |

12. Double 150 and then double your answer | 600 |

13. What number is exactly half way between 50 and 80? | 65 |

14. How many 7s are there in 630? | 90 |

15. Multiply 75 by 10 | 750 |

16. Three pens cost one pound fifty pence altogether. How much would 7 pens cost? | £3.50 |

17. Subtract 0.1 from 2 | 1.9 |

18. What is one fifth of 1000 | 200 |

19. Multiply 8 by 4 then add 50 | 82 |

20. Who is the best Maths teacher? | Mr Payne |

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