# 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 Make a table showing the coordinates of the 4 points. 1 What is the median number of 6th grade students absent during the 9-day period? 2 What is the range of absences among the 5th grade students? 3 According to the data on the 6th grade students, what is the mode of the number of absences? 4 What is the range for the attendance of the carnival? 5 What is the median number of goals served? 6 What is the range of the data set? 7 If the Blazers tripled their score, what would the range be? 8 According to the table, what is the range of the data? 9 Which team scored more points? 10 According to the data on the graph, what number represents the mode of the points scored by the parents? 11 Create a double bar graph using the information. 12 Edmund is the goalie on his hockey team. So far this season, he has blocked 18 out of 36 shots. Based on this information, what is the most reasonable prediction of the number of shots Edmund will block out of the next 24 goal attempts? 13 Taylor spins 12 more times. Based on the results in the table, what is the most reasonable prediction of the number of times Taylr\'s spinner will land on green in his 12 additional spins? 14 Robert and his brother played 36 more games during the remainder of the month. Based on the results in the table, what is a reasonable prediction of the number of games Robert will win out of the 36 games? 15

### Math Review: QR Challenge

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