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QR Challenge: The Number Devil Nights 1-8 Concept 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. 1. What number does the Number Devil claim to have invented all other numbers out of in his “recipes”? 1
2. 2. What is a palindrome? Can you give us an example of an equation that makes one?A number that reads the same forwards as backwards. 1111 x 1111, answers will vary
3. 3. Can you decipher this number? MMCMLXXVIII2988
4. 4. What does the number devil mean by “number hopping”? A. Using exponents
5. 5. Which two numbers are neither “prima donna” or the “ordinary kind?”1 and 0
6. 6. Name the 10 prima donna numbers between 1-30.2,3,5,7,11,13,17, 19, 23, 29
7. 7. What does the number devil call a number like 6/7? Give an example of one of these numbers.Unreasonable (7/11), answers will vary
8. 8. Which equation does the Number Devil teach Robert using squares?The Pythagorean Theorem
9. 9. Use the formula on the board to figure out the 21st and 39th triangle numbers: N(N+1)/2231; 780
10. 10.Only two numbers between 1 and 100 hold the distinction of being both square numbers and triangle numbers. The first one is 1. What is the second one?36
11. 11. What two examples from nature does the Number Devil use to explain Fibonacci (Bonacci) numbers?Rabbits and the branches of a tree
12. 12. The Number Devil explains that the sum of the Fibonacci numbers are the sum of the two previous numbers in the sequence. If the 12th and 13th Fibonacci numbers are 144 and 233 respectively what would the 14th and 15th numbers be?377 and 610
13. 13. Use the number pyramid we have given you to find the 13th and 14th triangle numbers.455, 560
14. 14. Find the blank number pyramid we have hidden in the room and add the next row to it.Answers will vary as students finish activity.
15. 15. Solve for “9 vroom!”362,880
16. 16. Use the number pyramid we have provided to find how many combinations of 2 lunch monitors we would have out of 11 Pre-Algebra students.55

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.-What-number-does-the-Number-Devil-claim-to-have-invented-all-other-numbers-out-of-in-his-“recipes”?

Question 1 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=2.-What-is-a-palindrome?-Can-you-give-us-an-example-of-an-equation-that-makes-one?

Question 2 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=3.-Can-you-decipher-this-number?-MMCMLXXVIII

Question 3 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=4.-What-does-the-number-devil-mean-by-“number-hopping”?

Question 4 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=5.-Which-two-numbers-are-neither-“prima-donna”-or-the-“ordinary-kind?”

Question 5 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=6.-Name-the-10-prima-donna-numbers-between-1-30.

Question 6 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=7.-What-does-the-number-devil-call-a-number-like-6/7?--Give-an-example-of-one-of-these-numbers.

Question 7 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=8.-Which-equation-does-the-Number-Devil-teach-Robert-using-squares?

Question 8 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=9.-Use-the-formula-on-the-board-to-figure-out-the-21st-and-39th-triangle-numbers:-N(N+1)/2

Question 9 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=10.Only-two-numbers-between-1-and-100-hold-the-distinction-of-being-both-square-numbers-and-triangle-numbers.-The-first-one-is-1.-What-is-the-second-one?

Question 10 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=11.-What-two-examples-from-nature-does-the-Number-Devil-use-to-explain-Fibonacci-(Bonacci)-numbers?

Question 11 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=12.-The-Number-Devil-explains-that-the-sum-of-the-Fibonacci-numbers-are-the-sum-of-the-two-previous-numbers-in-the-sequence.-If-the-12th-and-13th-Fibonacci-numbers-are-144-and-233-respectively-what-would-the-14th-and-15th-numbers-be?

Question 12 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=13.-Use-the-number-pyramid-we-have-given-you-to-find-the-13th-and-14th-triangle-numbers.

Question 13 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=14.-Find-the-blank-number-pyramid-we-have-hidden-in-the-room-and-add-the-next-row-to-it.

Question 14 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=15.-Solve-for-“9-vroom!”

Question 15 (of 16)

 


The Number Devil Nights 1-8 Concept Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=16.-Use-the-number-pyramid-we-have-provided-to-find-how-many-combinations-of-2-lunch-monitors-we-would-have-out-of-11-Pre-Algebra-students.

Question 16 (of 16)