# 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. 4785 ÷ 15=319
2. 2/5+3/107/10
3. Simplify 14/352/5
4. Peter scored 15 out of 20 in a spelling test. Write this as a fraction, a decimal and a percentage.3/4 0.75 75%
5. 1.63 x 7=11.41
6. 1701 ÷ 36=47.25
7. Which is bigger 15% of 360 or 20% of 250?15% of 360
8. Convert 1 and a 1/4 litres to millilitres1250ml
9. Write 675 metres in kilometres0.675km
10. A teaspoon weighs 25g. Work out how much 5 teaspoons weigh in kg.0.125kg
11. Guardians of the Galaxy is 122 minutes long. Write this in hours and minutes.2hrs 2mins
12. Dean started watching Beauty and the Beast at 18.30. If it ended at 20.49, how many minutes long is it?139mins
13. The two shorter sides of a right-angled triangle measure 2cm and 3cm. What is its area?6cm square
14. 2a + 7 = 25. What is the value of a?a=9
15. 3a + 2b = 11. Find a value for a and a value for b that makes this equation correct. a=1 b=4 a=2 b=2.5 a=3 b=1
16. How many kilometres is 20 miles.
17. Write the formula for the volume of a cuboid.length x width x height
18. I need 10 strawberries to make 2 smoothies. How many strawberries do I need for 7 smoothies.35
19. Terry the Tiger eats 1.25 children per day. How many does he eat in a week? Estimate how many he eats in a year.8.25 450
20. One of the angles in an isosceles triangle measures 40°. What size could the other two angles be? 40 and 100 or 70 and 70

### Maths Dash 2: QR Challenge

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