QR Challenge: Fractions, Decimals and Percent Scavenger Hunt

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. Write 2 possible fractions for the following terminating decimal .3	3/10 30/100
2. Write the terminating decimal for the following fraction: 73/100	.73
3. Write the fraction for the following terminating decimal .125	125/1000
4. Write the terminating decimal for the following fraction: 55/100	.55
5. Write the fraction for the following terminating decimal .048	48/1000
6. Write the terminating decimal for the following fraction: 7/1000	.007
7. What is 37% of 86?	32
8. What is 74% of 29?	21
9. What is 63% of 379?	239
10. What is 44% of 235?	103
11. A basketball team played 82 games in a season. If they won 85% of the games, how many games total did they win?	70
12. A group of 52 students were surveyed on their favourite Harry Potter character. 18% said Dobby is their favourite. How many student’s favourite character is Dobby?	9
13. One day, the mall parking lot had 257 vehicles parked. 41% of the vehicles were white. How many vehicles were white?	105
14. In the month of January, it snowed 68% of the days. How many days did it snow in January? (Hint: There are 31 days in January)	21
15. In a school of 582 students, 27% have blue eyes and 18% have green eyes. How many students have blue eyes? How many students have green eyes? BONUS: How many students have blue OR green eyes?	157 105
16. BONUS: In a school of 647 students, 6% of students were born in January, 10% of students were born in February, and 15% of students were born in March. How many students were born in January, February or March?	201