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. Answer to an addition problem | Sum |

2. Answer to a subtraction problem | Difference |

3. Answer to a multiplication problem | Product |

4. Answer to a division problem | Quotient |

5. Close to the actual answer | Estimate |

6. Tells how many times a number is multiplied | Exponent |

7. Letter or symbol that represents a quantity that can change | Variable |

8. Find the value (solve) | Evaluate |

9. Operations that undo each other (opposites) | Inverse |

10. Two numbers that have the same value | Equivalent |

11. Two numbers with a product of 1 | Reciprocal |

12. Sum of all the items divided by the number of items in the set | Mean |

13. Middle value when the data are in numerical order | Median |

14. Value or values that occur the MOST often | Mode |

15. Difference between the greatest and least values in the set | Range |

16. Value in a set that is very different from the other values | Outlier |

17. Comparison of two values using division | Ratio |

18. Statement that two ratios are equivalent | Proportion |

19. Ratio of a number to 100 | Percent |

20. Square units needed to COVER a surface | Area |

21. Distance AROUND the outside of a figure | Perimeter |

22. Cubic units needed to FILL a space | Volume |

23. Area needed to cover a three-dimensional figure | Surface Area |

24. Distance around the outside of a circle | Circumference |

25. Distance from one side of a circle to the other | Diameter |

26. Distance from the center of a circle to the outside | Radius |

27. Set of all whole numbers and their opposites | Integers |

28. Slide a figure | Translation |

29. Flip a figure | Reflection |

30. Turn a figure | Rotation |

31. Rule that relates two quantities so that each x-value corresponds to exactly one y-value | Function |

32. Equations that form a straight line | Linear |

33. Rate of change of a line | Slope |

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