# 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. Estimate 7/8 + 15/162
2. Estimate 3/5 - 1/20
3. Estimate 4 7/8 times 2 1/1010
4. Estimate 43 1/2 divided by 5 1/59
5. Solve and simplify 15/16 - 3/163/4
6. Solve and simplify 2/3 + 5/61 1/2
7. Solve and simplify 4 3/4 + 5 1/59 19/20
8. Solve and simplify 9 3/8 - 5 1/44 1/8
9. Solve and simplify 3/4 times 2/31/2
10. Solve and simplify 4/5 divided by 1/43 1/5
11. Solve and simplify 1 2/3 times 1 1/42 1/12
12. Solve and simplify 11 1/2 divided by 3 1/23 2/7
13. 38 in = ______ ft3 1/6 in
14. 3 3/4 qt = _______ c15 c
15. 60 oz = _______ lb3 3/4 lb

### 7th Grade Math Ch. 3 Review: QR Challenge

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