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QR Challenge: Intermediate Scavenger Hunt

Created using the ClassTools QR Treasure Hunt Generator

Teacher Notes

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

3. Print out the QR codes.

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.


Questions / Answers (teacher reference)

Question

Answer

1. Add all your ages together divide the answer by a 1/2 and record your final answer.Answer should be in the range of 120 130
2. Using your first names subtract the lowest value from the highest value in your group and record your final answer.Answer will be in range of 1 - 25
3. What is the smallest three digit palindrome divisible by 18? Can you solve this without a brute force examination of possibilities?252
4. Use the numbers 2, 3, 4 and 5, and the symbols = and +, only once and end up with a true equation; further, you cannot use any number or symbol not given. How can you do this?4 + 5 = 3squared
5. How many 9s are there between 1 and 100?20 number 9s
6. Jake weighs half as much as Joe, and John weighs three times as much as Jake. Together, they weigh 720 pounds. How much does each man weigh?Jake 120 lbs Joe 240 lbs and John 360
7. A frog fell into a hole that was 14 ½ feet deep. He could jump 3 feet, but he slid back a foot each time he jumped. How many jumps does it take him to get out of the hole?7th jump
8. If you can purchase 8 eggs for 26 cents, how many can you buy for a cent and a quarter?8
9. You have a cake which you must cut into 8 equal pieces. You may make only 3 cuts. How will do this?Make an x with two cuts and cut in half horizontal
10. A survey of 50 kids showed that 25 liked basketball, 20 liked baseball and 12 liked both sports. How many kids didn't like either sport?17 kids

 



Intermediate Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Add-all-your-ages-together-divide-the-answer-by-a-1/2-and-record-your-final-answer.

Question 1 (of 10)

 



Intermediate Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Using-your-first-names-subtract-the-lowest-value-from-the-highest-value-in-your-group-and-record-your-final-answer.

Question 2 (of 10)

 



Intermediate Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-smallest-three-digit-palindrome-divisible-by-18?--Can-you-solve-this-without-a-brute-force-examination-of-possibilities?

Question 3 (of 10)

 



Intermediate Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Use-the-numbers-2,-3,-4-and-5,-and-the-symbols-=-and-+,-only-once-and-end-up-with-a-true-equation;-further,-you-cannot-use-any-number-or-symbol-not-given.-How-can-you-do-this?

Question 4 (of 10)

 



Intermediate Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=How-many-9s-are-there-between-1-and-100?

Question 5 (of 10)

 



Intermediate Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Jake-weighs-half-as-much-as-Joe,-and-John-weighs-three-times-as-much-as-Jake.-Together,-they-weigh-720-pounds.-How-much-does-each-man-weigh?

Question 6 (of 10)

 



Intermediate Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-frog-fell-into-a-hole-that-was-14-½-feet-deep.-He-could-jump-3-feet,-but-he-slid-back-a-foot-each-time-he-jumped.-How-many-jumps-does-it-take-him-to-get-out-of-the-hole?

Question 7 (of 10)

 



Intermediate Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=If-you-can-purchase-8-eggs-for-26-cents,-how-many-can-you-buy-for-a-cent-and-a-quarter?

Question 8 (of 10)

 



Intermediate Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=You-have-a-cake-which-you-must-cut-into-8-equal-pieces.--You-may-make-only-3-cuts.--How-will-do-this?

Question 9 (of 10)

 



Intermediate Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-survey-of-50-kids-showed-that-25-liked-basketball,-20-liked-baseball-and-12-liked-both-sports.--How-many-kids-didn't-like-either-sport?

Question 10 (of 10)