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QR Challenge: Scientific Notation and Significant figures

Created using the ClassTools QR Treasure Hunt Generator

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

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. Define Scientific notation Scientific notation is a decimal between 1 and 10 and multiply by 10. This allows you to simplify the amount of numbers in your answer.
2. How do you solve a problem in order to solve with scientific notation2 In order to solve scientific notation you start with the long answer to your problem. Then, you take the decimal and move it to a place that would give you a number between 1 and 10. While you move the decimal you count how many times you moved it in order to get to the number between 1 and 10. Once you count how many times you moved the number you will use that number as your exponent. So the final result will look like
3. Example3 Let's say I got an answer of 10,000 but instead of writing 5 numbers I can simplify it by saying 1.0x10^4
4. Example4 7 x109= Population of the world is around 7 billion written out as 7,000,000,000
5. Example5

 



Scientific Notation and Significant figures: QR Challenge

https://www.classtools.net/QR/decode.php?text=Define_Scientific_notation

Question 1 (of 5)

 



Scientific Notation and Significant figures: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_do_you_solve_a_problem_in_order_to_solve_with_scientific_notation2

Question 2 (of 5)

 



Scientific Notation and Significant figures: QR Challenge

https://www.classtools.net/QR/decode.php?text=Example3

Question 3 (of 5)

 



Scientific Notation and Significant figures: QR Challenge

https://www.classtools.net/QR/decode.php?text=Example4

Question 4 (of 5)

 



Scientific Notation and Significant figures: QR Challenge

https://www.classtools.net/QR/decode.php?text=Example5

Question 5 (of 5)