# 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. Rename as a fraction in simplest form. 0.3417/50
2. 2. Model the fraction. Write the fraction as a decimal. 9/10 .9
3. 3. Write the decimal as a fraction .71 71/100
4. 4. Write an equivalent fraction to 0.4 0.40
5. 5. Model and write as a decimal 3 3/10 3.3
6. 6. Write the decimal and fraction: fourteen and five hundredths 4.05 4 05/100
7. 7. Write as a mixed number 21.17 21 17/100
8. 8. Write the decimal in expanded form: 0.31 0.3 + 0.01
9. 9. Write the decimal in expanded form: 142.05 100 + 40 + 2 + 0.05
10. 10.Write in standard form: 40 + 2 + 0.2 + 0.04 42.24
11. 11.Write the word name: 200 + 50 + 0.6 two hundred fifty and six tenths
12. 12. Write the word name: 50 + 1 + 0.8 + 0.05 fifty-one and eighty-five hundredths
13. 13. 0.5 ______ 0.54 <
14. 14. 239.08 _______ 239.80 <
15. 15. 302.39 ______ 301.89 >
16. 16. 0.9 ______ 0.90 =
17. 17. Order from least to greatest: 0.3 ,0.6, 0.1 0.1, 0.3, 0.6
18. 18. Order from least to greatest: 13.8, 31. 8, 3.18 3.18, 13.8, 31.8
19. 19. Order from least to greatest: 19.1, 19.001, 19.01 19.001, 19.01, 19.1
20. 20. Order from greatest to least: 71.9 , 71.09, 17.9 71.9, 71.09, 17.9
21. 21. Round to the nearest one. 9.4 9
22. 22. Round to the nearest one. 11.9 12
23. 23. Round to the nearest one. 23. 01 23
24. 24. Round to the nearest tenth. 31.83 31.8
25. 25. Round to the nearest tenth. 17.49 17.5

### Decimals Review: QR Challenge

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