# 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. What city and state has the first 5 digits of pi as it's zip code?Savannah, Georgia
2. What ordinal number is pi in the Greek alphabet (1st, 2nd, etc)?16th
3. What digit is in the hundred thousandths place of pi?9
4. From what heavy seven letter word can you take away two letters and have eight left?weight or freight
5. What three numbers have the same answer when added together and multiplied together?1, 2, 3
6. If one child has 6 2/3 sand piles and another has 3 1/3, and you combine them, how many sand piles do you have?1
7. If you were to take two apples from three apples, how many would you have?2
8. In a drawer you have black socks and white socks. They are not stored away in pairs. Without looking, how many times will you have to reach into the drawer to come out with a matching pair?3
9. I am an odd number. Take away one letter and I become even. What number am I?7
10. What is the number of minutes in an hour divided by 10?6
11. 13-6=7
12. What letter is between g and j on a standard keyboard?h
13. What is the prime factorization of 12?2x2x3
14. What is the square root of 36?6
15. Who was the 3rd president of the United States?Thomas Jefferson
16. What is the total value of the bill that Lincoln is on and the coin that Lincoln is on?\$5.01
17. What is a half of a half?1/4 or a quarter
18. How many degrees are there in a circle?360
19. How many faces are there on a triangular prism?5
20. How many 2s are there in the numbers between 10 and 40?13
21. What number does the roman numerals CCCXIV stand for?314
22. What percent of the word "ARITHMETIC" is vowels?40%
23. How many sides does a heptagon have?7
24. What is the number of inches in a foot times the number of quarts in a gallon?48
25. What color is made from mixing red and yellow?orange

### Family Math Night 2015: QR Challenge

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