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QR Challenge: Ordering Rational Numbers

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. 1)Order from least to greatest: 1.2 x 10^5 1.002 x 10^5 1.02 x 10^51.002 x 10^5 1.02 x 10^5 1.2 x 10^5
2. 2)Order from greatest to least: 65% 7/11 6.6 x 10^-1 0.626.6 x 10^-1 65% 7/11 0.62
3. 3)Order from least to greatest: 0.40 4.4 x 10^-2 44% 3/7 4.4 x 10^-2 0.40 3/7 44%
4. 4)Ascending order: 1/11 0.1% 0.1 1.3 x 10^-2 0.1% 1.3 x 10^-2 1/11 0.1
5. 5)Convert to decimal form: 5/8 0.625
6. 6)Convert to decimal form: 120% 1.20
7. 7)Convert to decimal form: 7% 0.07
8. 8)Convert to scientific notation form: 4500000 4.5 x 10^6
9. 9)Convert to scientific notation form: 0.0000512 5.12 x 10^-5
10. 10)Convert to standard form: 8.006 x 10^2 800.6

 



Ordering Rational Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ordering Rational Numbers
Q1/10:

1)Order from least to greatest: 1.2 x 10^5 1.002 x 10^5 1.02 x 10^5&choe=UTF-8

Question 1 (of 10)

 



Ordering Rational Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ordering Rational Numbers
Q2/10:

2)Order from greatest to least: 65% 7/11 6.6 x 10^-1 0.62&choe=UTF-8

Question 2 (of 10)

 



Ordering Rational Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ordering Rational Numbers
Q3/10:

3)Order from least to greatest: 0.40 4.4 x 10^-2 44% 3/7 &choe=UTF-8

Question 3 (of 10)

 



Ordering Rational Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ordering Rational Numbers
Q4/10:

4)Ascending order: 1/11 0.1% 0.1 1.3 x 10^-2 &choe=UTF-8

Question 4 (of 10)

 



Ordering Rational Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ordering Rational Numbers
Q5/10:

5)Convert to decimal form: 5/8 &choe=UTF-8

Question 5 (of 10)

 



Ordering Rational Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ordering Rational Numbers
Q6/10:

6)Convert to decimal form: 120% &choe=UTF-8

Question 6 (of 10)

 



Ordering Rational Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ordering Rational Numbers
Q7/10:

7)Convert to decimal form: 7% &choe=UTF-8

Question 7 (of 10)

 



Ordering Rational Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ordering Rational Numbers
Q8/10:

8)Convert to scientific notation form: 4500000 &choe=UTF-8

Question 8 (of 10)

 



Ordering Rational Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ordering Rational Numbers
Q9/10:

9)Convert to scientific notation form: 0.0000512 &choe=UTF-8

Question 9 (of 10)

 



Ordering Rational Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ordering Rational Numbers
Q10/10:

10)Convert to standard form: 8.006 x 10^2 &choe=UTF-8

Question 10 (of 10)