# 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. Write your name on your quiz sheet and go into the hall to find your first question. Write each answer in the correct box on your page.DONE
2. 1) Which number rounds up to 7000? B
3. 2) When rounded to the nearest 1000, which is the odd one out? B
4. 3) My number is eight thousand, five hundred and five and it rounds down to 8,000 to the nearest thousand. False
5. 4) Which representation rounds up to 4000? B
6. 5) Which thousand does the number below round to? 2000
7. 6) True or False? All of the numbers below round up. False
8. 7) Change one value in the number below so that it rounds down to 8,000. 6 hundreds to change to 4, 3, 2, 1 or 0.
9. 8) Which thousand does the number below round to? Four thousand, nine hundred and thirty-eight rounds to 5000.
10. 9) Put these numbers in order of smallest to largest.2914, 3234, 3460
11. 10) Which sign should be used to compare these numbers? < (less than)
12. 11) Which number correctly completes the statement below? One thousand more than 4840 is less thanâ€¦5000 + 400 + 40 + 4.
13. 12) Which is the incorrect statement?C
14. 13) Which two digit cards correctly complete the statement below?2 and 3
15. 14) Can you order these numbers from highest to lowest?5603,4 thousands and seven hundreds, 4099, 3650
16. 15) Ned and Rob are comparing numbers. Who is correct? Ned

### Compare, Round and Order 4 Digit Numbers: QR Challenge

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