# 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. unscramble the following word; NIOARLTA MURNESrational numbers
2. All rational numbers are whole numbers true/falsefalse
3. Is 7.5 an integer true/falsefalse
4. divide; 2.8/-4-0.7
5. Kori spent 46.20 on 12 gallons of gasoline. what was the price per gallon3.85
6. 22 percent written as a decimal is.22
7. 1.33 written as a percent is133 percent
8. find the percent change from 70 to 5620 percent
9. find the circumference of a circle with radius of 3cm18.84cm
10. a jar contains 4 red marbles, 3 green, 2 white, and 5 black, probability you will get a white1/7
11. solve for x; 2x +7=217
12. complementary angles are two angles whose measure have a sum of90 degrees
13. what is the formula for volume of pyramids1/3Bh
14. solve the following riddle; which weighs more a pound of gold or a pound of featherssame
15. end of qr hunt report back to main hallwayend

### 7th grade math review: QR Challenge

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