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. question 1. Martin has 1 2/3 cup of trail mix to take on a hike. He is packaging it to give each hiker 2/9 of a cup of trail mix. How many servings of trail mix can he package? | answer |

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3. question2. What is the greatest common factor of the numbers 48 and 56? | answer |

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5. question3. What is the least common multiple of the numbers 12 and 18? | answer |

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7. question4. Dâ€™Andre baked two types of cookies for the art fundraiser. He had 42 peanut butter cookies and 36 ginger spice cookies. He is preparing bag of cookies to sell, and has to keep the peanut butter cookies separate for people who have allergies. If he wants to put the same number of cookies into each bag, regardless of the type, what is the largest number of cookies he can put in each bag? | answer |

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10. question5. Jerry played soccer for 2/6 of an hour on Saturday morning and for 1/12 of an hour on Saturday evening. How much longer did Jerry play in the morning than in the evening? | answer |

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13. question6.A recipe called for 3/8 pound of flour, but a baker wanted to increase that amount by 1/6 pound. How much flour was used in all? | answer |

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15. question7. 15/9 divided by 4/12 | answer |

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17. question8. 2/5 x 3/100 | answer |

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19. question9. 10/28 divided by 5/7 | answer |

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21. question10. 17/30 - 5/12 | answer |

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23. question11. What is 12/18 in simplest form? | answer |

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