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 a rational number? | All positive and negative numbers, percents, and decimals |

2. -|1|= | -1- |

3. |5-3|-|5|= | -3 |

4. List 0.29, -1\8, -0.1, 2\5, -9\10 from least to greatest. | -9\10, -1/8, -0.1, 0.29, 2/5 |

5. What is an integer? | all positive and negative numbers |

6. Order -14, -81, 0 from greatest to least. | 0, -14,-81 |

7. True or False, Is |-8| greater than 0. | True |

8. What is the opposite of -12? | 12 |

9. Which is the greatest? (2.25, 2 1\2, 2.5, 2 3\4) | 2 3\4 |

10. Billy has a checking account with a balance of -$45.40. What is the absolute value of his balance? Explain. | |-45.40|=$45.40 |

11. |-78.09|= | 78.09 |

12. Compare -7 and 2 | -7<2 |

13. Compare -3.4 and -3.1 | -3.4<-3.1 |

14. What is the definition of absolute value? How do you find it? | The distance between 0 and the number. A number line is used to find a number line. |

15. Find page 1 that you had received and find the following. C= G= R= H= E= J= F= K= | C= -15,8 G= -11,-6 R=10,11 H=0,-1 E=13,-6 J=18,5 F=-3,2 K=0,0 |

16. |-18,000|= | 18,000 |

17. A town's finance shows a balance sheet with a balance of -$50,000 dollars. What is the absolute value? | |-50,000|=50,000 |

18. |40-2|+|50-10|+|-2|= | 80 |

19. What is the opposite of 487,742,012.1276? | -487,742,012.1276 |

20. Using page one again what is the distance between... A & B= C & D= Y &Z= | A & B=23 C & D=13 Y &Z=40 |

21. What is red, white, and blue? | Notebook Paper |

22. What has 5 black ovals in Mrs. Jones room? | Bulldog Paw |

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