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QR Challenge: NumberTheory Review

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. List 3 prime numbers
2. List 3 composite numbers
3. Solve 4.1 x 9.12
4. The sixth grade class is going to the local art museum. There are 46 students in the class. The total cost of the tickets for all the students is $379.50. What is the cost of one student ticket?
5. Owensboro had 5.4 inches of rain in September and 4.5 inhes of rain in October. What is the difference in rainfall between the two months?
6. One meter is approximately equal to 39.39 inches. About how many inches are in 4 meters?
7. Round the following number to the nearest hundreds place: 3,629
8. Round the following number to the nearest tenths place: 32.39
9. Solve 9 + 2〖(7-4)〗^2
10. Solve 12 + 3^2 ÷ 9
11. Solve (4 + 2^3) – 1 × 3
12. What are all the factors for 12?
13. Write the prime factorization for 12.
14. Solve 100 - 2.99
15. What is the rule when multiplying decimals?
16. Combine like terms and simplify: 2 x 2 x 2 x 5 x 5
17. What are the factors for 6 and 8? What is the largest number they have in common? HINT:
18. What are the multiples for 8 and 12? What is the smallest number they have in common? (HINT: AN EXAMPLE OF MULTIPLES ARE 3: 3, 6, 9, 12, 15, 18

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q1/18:

List 3 prime numbers&choe=UTF-8

Question 1 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q2/18:

List 3 composite numbers&choe=UTF-8

Question 2 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q3/18:

Solve 4.1 x 9.12&choe=UTF-8

Question 3 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q4/18:

The sixth grade class is going to the local art museum. There are 46 students in the class. The total cost of the tickets for all the students is $379.50. What is the cost of one student ticket?&choe=UTF-8

Question 4 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q5/18:

Owensboro had 5.4 inches of rain in September and 4.5 inhes of rain in October. What is the difference in rainfall between the two months?&choe=UTF-8

Question 5 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q6/18:

One meter is approximately equal to 39.39 inches. About how many inches are in 4 meters?&choe=UTF-8

Question 6 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q7/18:

Round the following number to the nearest hundreds place: 3,629&choe=UTF-8

Question 7 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q8/18:

Round the following number to the nearest tenths place: 32.39&choe=UTF-8

Question 8 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q9/18:

Solve 9 + 2〖(7-4)〗^2&choe=UTF-8

Question 9 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q10/18:

Solve 12 + 3^2 ÷ 9&choe=UTF-8

Question 10 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q11/18:

Solve (4 + 2^3) – 1 × 3&choe=UTF-8

Question 11 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q12/18:

What are all the factors for 12?&choe=UTF-8

Question 12 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q13/18:

Write the prime factorization for 12.&choe=UTF-8

Question 13 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q14/18:

Solve 100 - 2.99&choe=UTF-8

Question 14 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q15/18:

What is the rule when multiplying decimals?&choe=UTF-8

Question 15 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q16/18:

Combine like terms and simplify: 2 x 2 x 2 x 5 x 5&choe=UTF-8

Question 16 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q17/18:

What are the factors for 6 and 8? What is the largest number they have in common? HINT: &choe=UTF-8

Question 17 (of 18)

 



NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=NumberTheory Review
Q18/18:

What are the multiples for 8 and 12? What is the smallest number they have in common? (HINT: AN EXAMPLE OF MULTIPLES ARE 3: 3, 6, 9, 12, 15, 18&choe=UTF-8

Question 18 (of 18)