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QR Challenge: NumberTheory Review

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

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=List_3_prime_numbers

Question 1 (of 18)

 


NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=List_3_composite_numbers

Question 2 (of 18)

 


NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve_4.1_x_9.12

Question 3 (of 18)

 


NumberTheory Review: QR Challenge

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

Question 4 (of 18)

 


NumberTheory Review: QR Challenge

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

Question 5 (of 18)

 


NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=One_meter_is_approximately_equal_to_39.39_inches.__About_how_many_inches_are_in_4_meters?

Question 6 (of 18)

 


NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Round_the_following_number_to_the_nearest_hundreds_place:__3,629

Question 7 (of 18)

 


NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Round_the_following_number_to_the_nearest_tenths_place:__32.39

Question 8 (of 18)

 


NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve_9_+_2〖(7-4)〗^2

Question 9 (of 18)

 


NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve_12_+_3^2_÷_9

Question 10 (of 18)

 


NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve_(4_+_2^3)_–_1_×_3

Question 11 (of 18)

 


NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_all_the_factors_for_12?

Question 12 (of 18)

 


NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_the_prime_factorization_for_12.

Question 13 (of 18)

 


NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve_100_-_2.99

Question 14 (of 18)

 


NumberTheory Review: QR Challenge

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

Question 15 (of 18)

 


NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Combine_like_terms_and_simplify:_2_x_2_x_2_x_5_x_5

Question 16 (of 18)

 


NumberTheory Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_factors_for_6_and_8?__What_is_the_largest_number_they_have_in_common?_HINT:

Question 17 (of 18)

 


NumberTheory Review: QR Challenge

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

Question 18 (of 18)