# 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.What number is in the ten thousands place in 398,654?9
2. 2.Round 23,897 to the nearest hundred23,900
3. 3.How can you solve 8 X 32 using distributive property? (8X30)+(8x2)
4. 4.What is 34x67?2,278
5. 5.What is 2.30 x 10?23
6. 6.what is 3.5 x 4.6?16.1
7. 7.what is 345 divided by 569
8. 8.what do you call numbers you multiple together?factors
9. 9.what do you call a number with only 2 factors?prime
10. 10.what do you call a number with more than two factors?composite
11. 11.What do you call a number that ends with 0,2,4,6,8,?even
12. 12.What do you call a number that ends with 1,3,5,7,9?odd
13. 13. What do you call the unknown number in an equation?variable
14. 14.What's the acronym we use to solve equations?PEMDAS
15. 15. In a stem and leaf plot, the number in the tens place is the _____?Stem
16. 16. In a stem and leaf plot, the number in the ones place is the _____?Leaf
17. 17. Another word for averagemean
18. 18. The number that occurs most oftenmode
19. 19.The number in the middle of a set of datamedian
20. 20.When you subtract the lowest value from the highest value in a set of data-also known as a variationrange
21. 21.All your possible outcomes in a certain situation is called_____probability
22. 22.What do you call a whole number and a fraction?mixed number
23. 23.What do you call a fraction with a large numerator and small denominator?improper fraction
24. 24.What is the fraction 4/6 in simplest form?2/3
25. 25. What is the fraction 14/7 in simplest form?2

### Math Yearly Review: QR Challenge

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