# Print

## 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.

### Question

1. 1. Ash has bought a multi-pack of 16 yoghurts which are of different flavours: cherry, raspberry, strawberry and blackcurrant. 1/8 are cherry flavoured, 1/4 are strawberry and 1/2 are raspberry. How many blackcurrant yoghurts are there?2
2.
3. 2. A supermarket worker’s shift lasts 12 hours. A third of their shift is spent stacking shelves and a quarter of their shift is spent on the till. The rest of their shift is spent working on the cake counter. How long does the worker spend serving on the cake counter?5hours
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5. 3. There are 24 hours in a day and scientists tell us that we should sleep for 3/8 of the day. How much time should we spend sleeping?9
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7. 4.The National History Museum has collected 125 dinosaurs. George has collected 3/5 of this amount. How many dinosaurs has George collected?75
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9. 5.Andy’s having a party and he has £200 to spend on it. He spends ¼ on pasties 3/8 on drinks and 2/10 on party hats. How much money does he have left to spend on balloons?35
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11. 6. Skateboards cost £36 each in my local store. The shopkeeper says if I buy one I can buy another for only 7/9 of the normal price. How much would a second skateboard cost?28
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13. 7. There are 25 pupils in the class, 3/5 of the pupils support Chelsea and the remainder support Arsenal. How many pupils support Arsenal?10
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15. 8. Last year, Mr Jones weighed 60 kg. This year he weighs 2/5 more. How much does Mr Jones weigh this year?84kg
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17. 9. McDonalds sell milkshakes in two sizes. A small milkshake contains 300ml and a large milkshake contains 2/3 more. How much does a large milkshake contain?500ml
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19. 10. The local shop normally sells Mars bars for 40 pence. The shopkeeper says I can buy them for 1/4 less than the normal price. How much can I buy a Mars bar for?30p

### year 4 fractions: QR Challenge

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