QR Challenge: Chance open needed tasks

Created using the ClassTools QR Treasure Hunt Generator

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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

Download a QR reader (e.g. I-Nigma | NeoReader | Kaywa ) onto their mobile devices
Bring these devices into the lesson.

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. 1. Madeleine threw two dice and when they landed she subtracted one number from the other and wrote down the answer ‘1’. What might the numbers on each dice have been?
2. 2. In a bag there are some balls. I draw out one ball and it is red. I put it back and draw again. This time the ball is black. I put it back. After ten draws, I have drawn out three red and seven black. How many balls might be in the bag and how many might be black?
3. 3. My brother was complaining that it always rained on his birthday and spoilt the activities that had been planned. When might his birthday be?
4. 4.design a spinner for which the chance of spinning red is 1/3.
5. 5. My older sister was talking to Dad and asked him a question. His reply was, ‘it is more likely than unlikely.’ What might the question be?
6. 6. We were playing a game of cricket when one of the bastsmen threw down his bat and stormed off saying, ‘it is not fair.’ What might he be referring to?
7. 7 hoe could you work out what chance you have of throwing a goal from the free throw line in basketball?
8. 8. I chose five balls from a bag of balls without looking. I noticed that there were three red and two blue. What might the colour of the balls in the bag be and how many balls might be in the bag?
9. 9. The probability of an event is 1/3. What might the event be?
10. 10. When rolling one dice, what are some outcomes that have a probability of 1/3?
11. 11. What words could be used to describe an event with a probability of 0.6?
12. 12. Design a board game where it is easier for you to win than your opponent.
13. 13. A new family was moving into the house next door to us. We had been told that there were five children but we did not know if they were boys or girls. I hoped they were girls and my brother hoped they were boys. What might the gender of the children in the family be?
14. 14. I heard the radio announcer say that something had an ‘even chance’. What might he have been talking about?
15. 15. A toy manufacturer wants to design a dice where the chance of throwing a ‘red’ is 1/2. What might the dice look like?
16. 16. Using a small deck of cards you have a 1/4 chance of choosing a picture card and a 1/2 chance of drawing an even number. What might the cards in the deck be?
17. 17. When drawing a card from a deck of cards, what are some outcomes that have a probability of 1/4?
18. 18. We spun a spinner lots of times. It landed on blue most of the time, on red some of the time, and only once on white and yellow.draw a diagram to show what the spinner might look like.
19. 19. There were four cards in a container. One card had the number 2 on it, another had 5, another had 4 and the last had 7. I had to select two cards at a time. On my first try I selected 5 and 7. What other combinations might I have selected?
20. 20. I tested something 100 times. I got the result I wanted for 70 of the times, but not the other 30. What might I have been doing?