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QR Challenge: Factors, Divisibility, Exponents, Fractions

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. State whether the number is divisible by 2, 3, 4, 5, 6, 9, 10 and/or none. 4,6322,3,4,6
2. Write the missing digit to make the number divisible by 9. 22_,0347
3. Write the prime factorization of 186(2)(3)(31)
4. A math class and science class are combined for a group activity. There are 24 students in the math class and 16 in the science class. How many groups can be made with an even number of both math and science students in the group?8
5. Find the Greatest Common Divisor of 8,16,204
6. Evaluate the expression -6m^2 for m = 224
7. Simplify 40ab^2/5ab8b
8. Simplify 15+(4+6)^2÷535
9. State whether the number is divisible by 2, 3, 4, 5, 6, 9, 10 and/or none.48055
10. Find the Greatest Common Divisor of cd^3f^4 and c^2df^3cdf^3
11. Write using exponents: (r)(r)(r)(s)(s)r cubed s squared
12. Is 27 prime or composite? Explain your choice.composite because it's divisible by 1,3,9,27 - more than two factors.
13. Simplify -3^2+5(2)^331.
14. Simplify 3c^2d^3/15c1cd cubed/5
15. Find the Greatest Common Divisor of 40ab^2 and 15ab5ab
16. Evaluate 4(2y-3)^2 for y = 5196

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=State_whether_the_number_is_divisible_by_2,_3,_4,_5,_6,_9,_10_and/or_none._4,632

Question 1 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_the_missing_digit_to_make_the_number_divisible_by_9._22_,034

Question 2 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_the_prime_factorization_of_186

Question 3 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_math_class_and_science_class_are_combined_for_a_group_activity._There_are_24_students_in_the_math_class_and_16_in_the_science_class._How_many_groups_can_be_made_with_an_even_number_of_both_math_and_science_students_in_the_group?

Question 4 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_the_Greatest_Common_Divisor_of_8,16,20

Question 5 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Evaluate_the_expression_-6m^2_for_m_=_2

Question 6 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Simplify_40ab^2/5ab

Question 7 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Simplify_15+(4+6)^2÷5

Question 8 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=State_whether_the_number_is_divisible_by_2,_3,_4,_5,_6,_9,_10_and/or_none.4805

Question 9 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_the_Greatest_Common_Divisor_of_cd^3f^4__and_c^2df^3

Question 10 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_using_exponents:_(r)(r)(r)(s)(s)

Question 11 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Is_27_prime_or_composite?_Explain_your_choice.

Question 12 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Simplify_-3^2+5(2)^3

Question 13 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Simplify_3c^2d^3/15c

Question 14 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_the_Greatest_Common_Divisor_of_40ab^2_and_15ab

Question 15 (of 16)

 


Factors, Divisibility, Exponents, Fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=Evaluate_4(2y-3)^2_for_y_=_5

Question 16 (of 16)