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QR Challenge: Mathematics Brain Warmer

Created using the ClassTools QR Treasure Hunt Generator

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

3. Print out the QR codes.

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!


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)



1. Mrs Mills has treated some students to a trip to the cinema for good behaviour. There are five students going and she has given them £30 in total How much will each student have? £6
2. Mr Gill has £1.47 in his pocket. He buys some bread for 98p, some milk for 98p and a snickers bar for 50p. How much change will he have? 1p
3. Miss O'Connor wins the lottery and is feeling very generous.She wants to give the 6 staff she works with £125 each How much will she have to give in total? £750
4. Mr Singh has brought lots of things off eBay recently He brought a remote control car for £29.99 and a mountain bike for £199.99 how much has he spent in total?£229.98
5. The word has been spelt incorrectly could you write in correctly?multeapleakation. multiplication
6. What is a factor? A factor is a number which divides exactly into another number with no remainder.


Mathematics Brain Warmer: QR Challenge

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Mathematics Brain Warmer: QR Challenge

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