# 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

• 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.

### Questions / Answers (teacher reference)

 Question Answer What is the numerical value assigned to the probability \'impossible\'? 0 What is the numerical value assigned to the probability \'unlikely\'? 0.3 What is the numerical value assigned to the probability \'highly unlikely? 0.9 What is the probability assigned to the numerical value \'0.6\'? Better than even chance What is the probability assigned to the numerical value \'0.1\'? Highly unlikely What is the probability assigned to the numerical value \'1.0\'? Certain True or false. Probability is the chance of a particular event (result) occuring? True What is the sample space of tossing a coin? S={head, tail} A basketball team plays a game and the result is noted. What is the sample space? S={win, draw, loss} An exam paper is given the grade A to F. What is the sample space? S={A, B, C, D, E, F} What is the sample space of selecting a day of the week? S={Monday, Tuesday, Wednesday, Thursday, Friday} A card is selected from a standard deck. State the number of elements. n(S)=52 A letter from the alphabet is selected at random. State the number of elements. n(S)=26 A day of the year is selected. State the number of elements. n(S)=366 or 365 True or false. The sample space represents a list of all possible outcomes to a probability experiment? True True of false. The probability of a particular result or event is defined as \'the number of possible outcomes divided by the number of favourable outcomes\'. False Christopher rolls a fair six sided die. What is the probability of obtaining a 4? 1/6 Megan rolls a fair six sided die. What is the probability of obtaining a number greater than 2? 2/3

### Maths Quiz: QR Challenge

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