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 |

What is 6 + 3 + 5 + 2? Your next clue is on the door of the person who is in charge of this school. | 16 |

What is three groups of five, plus 2? Your next clue is on the door of the kindergarten teacher whose 3 digits of her room number add up to 10. | 17 |

What is 7 less than 20? Your next clue is upstairs on a teacher's door whose room number reads the same backwards as it does forward. | 13 |

What is half of 18? Your next clue is under the table where Mrs. Romeo always sits. | 9 |

If you had a pattern core of ABBC, what letter would the 17th term in the pattern be? Your next clue is on the office door of the men who clean the school. | A |

Take half of 4 and add it to 3 more than 5. Your next clue is on the door of the only male teacher in kindergarten. | 10 |

Take the number of girls in Mrs. Romeo's class and subtract it from the number of boys in Mrs. Romeo's class. Your next clue is on the door of the teacher whose child is in Mrs. Romeo's class. | 6 |

Double seven and add 5. Your next clue is on a downstairs locker somewhere in this school. | 19 |

What is 20 - 5 - 2 - 3 - 4 - 1? Your next clue is on the door room that has the highest room number in this school. | 5 |

Add Mr. Zummach's room number + Ms. Gregory's room number + Ms. Pascua's room number. Your next clue is on the door of a portable with an odd number. | 16 |

If you had a jar of 20 marbles and 13 were red, 2 were blue, and 5 were yellow, what would your chances of pulling a blue marble be? Certain, likely, unlikely, or impossible? Your next clue is on the door of the only grade 2/3 class in this school. | Unlikely |

Which is more? 7 + 5 + 2 or 6 + 9? Your next clue is in the front foyer. | 6 + 9 |

How much is four groups of three? Your next clue is on the portable door of a teacher whose last name has 5 letters. | 12 |

Add the number of sides on a triangle with the number of sides on a hexagon. Your next clue is hiding in the bulletin board with all the QR codes on it. | 9 |

Think about this group and decide which item does not belong in the group: pear, apple, carrot, orange, lemon, banana. Your next clue is on another bulletin board downstairs in this school. | carrot |

How much money is a dime, plus two nickels, plus two pennies? Your next clue is in the back hallway going upstairs. | 22 cents |

How much money is two quarters plus a nickel? Your next clue is under the spot where Charlotte keeps her lunch. | 55 cents |

Think of a clock. If the big hand in on the six, and the little hand is between four and five, what time is it? Your next clue is on the door of the room where the teachers eat their lunch. | 4:30 |

Add the number of sides on a trapezoid with the number of sides on an octagon, with the number of sides on a square. Now take away the number of sides on a triangle. Your next clue is on a teacher's door whose last name starts with the last letter of the alphabet. | 13 |

Add the number of faces on a cylinder. with the number of faces on a sphere, with the number of faces on a cube. Your next clue is under the lost and found table. | 10 |

Add a dozen plus 7. You are now done this Math Trail. Bring your 20 answers to Mrs. Romeo and Ms. Vasil. | 19 |

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