# 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. What is 512 written in words? Five Hundred and Twelve
2.
3. The temperature of professor Snape's cauldron is 10 degrees. How will the temperature change if I added 5 ice cubes? 5 degrees colder therefore it will be 5 degrees.
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5. What is -5-6?-11
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7. What are the first 5 multiples of 4?4,8,12,16,20
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9. Write down the factors of 20(5 factors)1,20,5,10,4
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11. Write down the factors of 36 (7 factors)(1,2,3,4,6,9,36)
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13. What is a prime number?A number that will only divide by 1 or itself.
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15. Write down the first 5 prime numbers.2,3,5,7,11
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17. Place these temperatures in order from the coldest to the hottest temp:-5°,-14°,3°,-11°,-1°-14°,-11°,-5°,-1°,3°
18.
19. Why are some numbers called Square numbers?They can form a perfectly formed square when multiplied by themselves.
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21. What is the square root of 36?6
22.
23. What is the Square root of 497
24.
25. Look at the pattern of letters: AAAABBBBCCCCBBBCCBBBAA, What is the ratio of the letters A to B? 6:10 OR 2:5
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27. Multiply 24 by 13 without using a calculator312
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29. Multiply 11 by 21 without using a calculator231
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31. What happened on Friday that will not happen again for another 75 years?Solar partial eclipse
32.
33. 7 + 8 x 5 =??47
34.
35. 9 + 10 x 4 =??49
36.
37. What are Miss Kenyon's favourite crisps?Walkers Squares!!
38.
39. Using your calculator make 100, by using all the single digit numbers 1,2,3,4,5,6,7,8,9 (NOTE:You can only use each number once)(8X9) +1+2+3+4+5+6+7=100

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