# Teacher Notes

## A. Prior to the lesson:

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

• Bring these devices into the lesson.

4. Cut them out and place them around your class / school.

## B. The lesson:

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!

## C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

### Questions / Answers (teacher reference)

 Question Answer how many lines in a tally 5 what is another name for an up and down line vertical what is 2 + 2 4 HOW MANY PIECES DO YOU HAVE IF YOU CUT SOMETHING IN HALF 2 is a cylinder the same shape as a pringles box or a shoe box pringles would you use a millimetre or kilometre to measure from her to Dublin km what months do we get off for summer holidays July &August write the month of your birthday whatever how many bits do you have if you cut something into quarters 4 finish this line 'along the corridor and up the... stairs how many corners in a square 4 what shape is a wizard's hat cone what is 4 x 5 20 where does the big hand point to on the clock for half past 6 would you buy a bag of taytos with 50cent or 50 euro 50cent

### Maths QR: QR Challenge

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