# 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. In the Snow White story, how many dwarfs are there?3
2. How many sides does a rhombus have?4
3. What comes next in the pattern, ABBCABBCABBCAB?B
4. What is the 10th letter of the alphabet?J
5. How many months have 28 days?12
6. What is 13-8?5
7. What digit is in the ten-thousandth place of pi?5
8. How many outs are there in 7 full innings of baseball?42
9. How many degrees are there between water boiling and freezing?180
10. How many vertices are in a triangular prism?6
11. What is the total of all the prime numbers less than 20?77
12. What is the square root of 64?8
13. How many seconds are in 24 hours?86,400
14. What percent of the letters in the word "Herscher" are vowels?25%
15. Using the set of whole numbers, what is the first number that has an "a" in it?1,000
16. What is the number of quarts in a gallon times the number of days in the month of November?120
17. If you bisect a right angle, how many degrees are each angle?45
18. Name all the colors on the Olympic Rings?blue, black, red, yellow, green
19. What 4 letter word, when written in capital letters, is the same forward, backwards, and upside down?NOON
20. If you were running a race and you passed the person in 2nd place, what place would you be in now?2nd
21. Johnny's mother had three children. The first child was named April. The second child was named May. What was the third child's name?Johnny
22. How much dirt is in a hole that measures 2 feet by 3 feet by 4 feet?None
23. Brothers and sisters, I have none but this man's father is my father's son. Who is the man?My son
24. A ladder hangs over the side of a ship anchored in a port. The bottom rung touches the water. The distance between the rungs is 20 cm and the length of the ladder is 180 cm. The tide is rising at the rate of 15 cm each hour. When will the water reach the 7th rung from the top?Never (boat floats)
25. What occurs once in every minute, twice in every moment, yet never in a thousand years?m

### Family Math Night: QR Challenge

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