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
4. Cut them out and place them around your class / school.
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!
4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.
Question | Answer |
| 1. 1) Mrs. Bryan has 2 pennies, 2 nickels and 3 dimes. Mrs. Burg has twice as many pennies, 5 times as many nickels and 3 times as many dimes as Mrs. Bryan. If Mrs. Burg gives Mrs. Bryan ___cents then they will have the same total of change. | 51 cents | 2. 2) If 2 chickens lay 8 eggs in 3 days, how many eggs can 5 chickens lay in six days? | 40 eggs | 3. 3) The letter 'A' represents the digit in ones place and 7 is digit in the tens place. From this number, a number with a 2 in the tens place and the letter 'B' in the ones place. The difference between the numbers is 48. What is the value of A and B combined? | 2 | 4. 4) A boy and a girl have the same number of letters in their first names. There are twice as many letters in the boy’s last name as the girl’s last name. The total of letters in their four names is 20. The only 2 possible choices of the girl’s first name are 4 and __. (nobody has a 1 letter name. | 7 letters | 5. 5) Kristie is 12 years old. In four years she will be twice as old as Rachel. How old will Rachel be next year? | 5 years old | 6. 7) Dan has $1.00 which he traded for 2 quarters because 2 is more than 1. He then traded his 2 quarters for 3 dimes, the 3 dimes for 4 nickels and finally, The 4 nickels for 5 pennies. How much money did Dan lose in all his trades? | 95 cents | 7. 8) The Mummy was in the middle rung of a ladder. He went up 3 rungs, then down 5 rungs, and then up 7 rugs where he rested. Later he climbed up the remaining 7 rungs on the ladder. How many rungs did the ladder have? | 25 | 8. 9) The swimming pool at the “Y” has 5 doors. Three doors are only entrances and one door is only an exit. In how many different ways can Dracula enter and leave the pool area? | 8 | 9. 10) The Ghost of York Avenue, the bank clerk, is told to lock the cash vault at 1 P.M. Saturday morning. She has to set the timer so the vault can be reopened at 8 A.M. Tuesday morning. How many hours should she set the timer for? | 67 | 10. 11) The middle bead in a string of 17 beads was the largest and most expensive. Starting from each end, the end beads were $1 each and each bead is $1 more than the one before, up to the middle. If the string of beads is worth $100, what is the middle bead worth? | $28 | 11. 12) Frankenstein went shopping for gifts for his family. He spent $2 more than ½ his money for gifts for his parents. He then spent $2 more than ½ his remaining money for a gift for his sister. Finally, he spent $2 more than ½ of what was left of his money for cards and wrapping paper. Frankenstein now has 50 cents left. How much more did he spend on his parent’s gift than his sisters? | $9 | 12. 13) Ron ‘da Swan is in a twelve story building. Ran ‘da Swan is on the _th floor, if the 12th floor is twice as far as the walk to the 6th floor. | 8 | 13. 14) If 3 cats catch 3 rats in 3 minutes, how many cats are needed to catch 60 rats in one hour? | 3 | 14. 15) Zoha was born in 1980 and her sister was born in 1987. In what year will Zoha be twice as old as his sister? | 1994 | 15. 16) In the number 602, the value of the 6 digit is _ times the value of the digit 2. | 300 | 16. 17) A barrel full of flour weighs 40 pounds. The same barrel full on nails weighs 64 pounds. If the nails weigh 3 times as many as the flour, how much does the empty barrel weigh? | 28 | 17. 18) In a ball toss game, Elliot can score either 3 or 7 points. What is the largest score, under 20, that Elliot can never score. | 11 | 18. 19) A!!B!!C means (A+B) / C. For example: 15!!9!!6 = (15+9) / 6 = 4. If J = 12!!6!!2 and K = 15!!6!!3, what is the difference between J and K? | 2 | 19. 20) Katie is 5 years older than Lenny. Lenny is 2 years younger than Maria. Maria is twice as old as Norman. If Norman is 10 years old, how old is Katie? | 23 years old | 20. 21) In York Avenue’s Science Club, every member is taking either a science course, a math course, or both courses. If 35 members are taking math while 28 are taking science, and 6 are taking both courses, how many total members are in the club? | 57 members | 21. 22) Find a number that is twice as far from 40 as it is from 73. | 62 | 22. 23) Find the number that completes this equation: 16 + (3 x ?) / 2 = 28 | 8 | 23. 24) Five pounds of apples cost $2.90. There are 4 apples to a pound. How much would 2 dozen apples cost? | $3.48 |
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