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. A street vendor sells two types of newspapers, one for 25 cents and the other for 40 cents. If in one day she sold 100 newspapers and took in exactly 28 dollars, how many of the 25-cent newspapers did she sell? | 80 | 2. A piece of string is 40 centimeters long. It is cut into three pieces. The longest piece is 3 times as long as the middle-sized piece and the shortest piece is 23 centimeters shorter than the longest piece. Find the lengths of the three pieces. | 27,9,4 | 3. The total fare for 2 adults and 3 children on the Tilt-n-Spew ride is $14.00. If a child\'s fare is one half of an adult\'s fare, what is the adult fare? | $4.00 | 4. Mary looked out of her farmhouse window and saw a group of pigeons and donkeys passing by. She counted all the legs of the pigeons and donkeys and found that the total number of legs add up to 66. How many of each kind of animals (pigeons and donkeys) passed by her window if the total number of animals is 24? | 15 pigeons and 9 donkeys | 5. A cube has a volume of 8 cm3. The cube is deformed such that the length of each side doubles. What is the volume of this new cube? Volume=length x width x height | 64 | 6. Who has the largest piece of chocolate? Bill has 1/3 of a bar, Sally has 4/6 of a bar, Peter has 9/12 of a bar, Jen has 13/18 of a bar. Show how you know the answer. | see pictures | 7. How many addition signs should be put between digits of the number 987654321 and where should we put them to get a total of 99? | 9+8+7+65+4+3+2+1=99, 9+8+7+6+5+43+21=99 | 8. A man has to be at work by 9:00 a.m. and it takes him 15 minutes to get dressed, 20 minutes to eat and 35 minutes to walk to work. What time should he get up? | 7:50 am | 9. The Riddler has left a clue for Batman to follow at the scene of each crime. These are the clues that Batman has found: (1) There is a 1 in the thousands place. (2) The digit in the tens place is 9 times the digit in the thousands place. (3) Multiply the digit in the thousands place by 2.(4) The digit in the ones place is a hand without a thumb.(5) The digit in the hundreds is 2 less than the number in the tens.Solve the riddle to find the number and help Batman stop the Riddler. | 2794 | 10. The mass of the Great Pyramid is 557t greater than that of the Leaning Tower of Pisa. Stone Henge has a mass of 2695t which is 95t less than the Leaning Tower of Pisa. There once was a Greater Pyramid which had a mass twice that of the Great Pyramid, what was the mass of the Greater Pyramid. | 6694 | 11. If you begin with a one digit integer, multiply by 3, add 8, divide by 2 and subtract 6, you will get the integer back. Find the number. | 4 | 12. If Jane is older than Kim, Kim is older than Shawn. Shawn is younger than Jane and Rachel is older than Jane. List the people from oldest to youngest. | Rachel, Jane, Kim, Shawn |
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