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QR Challenge: Rational Numbers and Properties

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. Name the property: a + (b + 12) = (b + 12) + a Commutative Property
2. Name the property: 16 + (c + 17) = (16 + c) + 17 Associative Property
3. Name the property: 4 x 0 = 0 Multiplicative Property of Zero
4. Name the property: (9 + m)8 = 72 + 8m Distributive Property
5. Name the property: 22 + 0 = 22 Additive Identity
6. (-25.5)/(.5) = -51
7. (.6)(-.3)(-.3) = .054
8. (35.77)/(-.07) = - 511
9. Calculate the average temperature: -12.5, -3.5, 0, 5, -10.5 -4.3
10. (-2.1)(-3.3)(-10) = -69.3
11. (3.5 - 9.5) x (-.44 - 33) =4.63
12. -88.24/.4 = 220.6
13. Change the fraction 8/9 to a decimal and a fraction.
14. Is a repeating decimal a rational number? Why or why not?
15. 16 + -3.15=12.85
16. Rewrite using the additive inverse and solve. 11.8 - 22.3 -10.5
17. What is the distance between -11.7 and -99.5 on the number line? 87.8 units
18. The side of a square measures 11.5 inches. What is the perimeter of the square?46 inches

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=Name_the_property:_a_+_(b_+_12)_=_(b_+_12)_+_a

Question 1 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=Name_the_property:_16_+_(c_+_17)_=_(16_+_c)_+_17

Question 2 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=Name_the_property:_4_x_0_=_0

Question 3 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=Name_the_property:_(9_+_m)8_=_72_+_8m

Question 4 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=Name_the_property:_22_+_0_=_22

Question 5 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=(-25.5)/(.5)_=

Question 6 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=(.6)(-.3)(-.3)_=

Question 7 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=(35.77)/(-.07)_=

Question 8 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=Calculate_the_average_temperature:_-12.5,_-3.5,_0,_5,_-10.5

Question 9 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=(-2.1)(-3.3)(-10)_=

Question 10 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=(3.5_-_9.5)_x_(-.44_-_33)_=

Question 11 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=-88.24/.4_=

Question 12 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=Change_the_fraction_8/9_to_a_decimal_and_a_fraction.

Question 13 (of 18)

 


Rational Numbers and Properties : QR Challenge

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

Question 14 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=16_+_-3.15=

Question 15 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=Rewrite_using_the_additive_inverse_and_solve.__11.8_-_22.3

Question 16 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_distance_between_-11.7_and_-99.5_on_the_number_line?

Question 17 (of 18)

 


Rational Numbers and Properties : QR Challenge

https://www.classtools.net/QR/decode.php?text=The_side_of_a_square_measures_11.5_inches.__What_is_the_perimeter_of_the_square?

Question 18 (of 18)