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QR Challenge: Integers, Opposites & Absolute Value

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. a debt of $60 -$60
2. 10 strokes under par-10
3. 400 feet above sea level+400
4. Compare >, < -4 ____-10>
5. Compare >, < |-2| ____ |-6|<
6. Compare >, < 0 ____ |-9|<
7. Order least to greatest -5,|-3|, -9, |2|, -1-9, -5,-1,2,3
8. Order least to greatest -2, 11, |-20|, |5|, -1 -2, -1,5,11,20
9. Order least to greatest |15|, -8, |-3|, 0, -|-6|-8,-6,0,3,15
10. the opposite of -1515
11. the opposite of -4040
12. the opposite of -|-12|12
13. Simplify the expression -|6b| b=5-30
14. Simplify the expression -|19-3b| b=5-4
15. Simplify the expression |c|+ 5 x |a| a=-3 c=-823

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=a_debt_of_$60

Question 1 (of 15)

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=10_strokes_under_par

Question 2 (of 15)

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=400_feet_above_sea_level

Question 3 (of 15)

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Compare_>,_<____-4_____-10

Question 4 (of 15)

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Compare_>,_<___|-2|______|-6|

Question 5 (of 15)

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Compare_>,_<___0______|-9|

Question 6 (of 15)

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Order_least_to_greatest__-5,|-3|,_-9,_|2|,_-1

Question 7 (of 15)

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Order_least_to_greatest__-2,_11,_|-20|,_|5|,_-1

Question 8 (of 15)

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Order_least_to_greatest__|15|,_-8,_|-3|,_0,_-|-6|

Question 9 (of 15)

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=the_opposite_of_-15

Question 10 (of 15)

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=the_opposite_of_-40

Question 11 (of 15)

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=the_opposite_of_-|-12|

Question 12 (of 15)

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Simplify_the_expression_-|6b|_b=5

Question 13 (of 15)

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Simplify_the_expression_-|19-3b|_b=5

Question 14 (of 15)

 


Integers, Opposites & Absolute Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Simplify_the_expression_|c|+_5_x_|a|__a=-3_c=-8

Question 15 (of 15)