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QR Challenge: Absolute Value Inequlities

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. Solve and graph: use graph
2. Solve: use number
3. Solve and graph: use graph
4. Solve: use number
5. Write an Inequality using absolute value for the following: The height of a plant must be within 2 inches of the standard 13-inch show size. Use inequality
6. Write an open sentence involving absolute value for this graph
7. Solve and graph: use graph
8. Solve: use words
9. Express this expression using an inequality involving absolute value. The weatherman predicted that the temperature today would be within 3 degrees of 52 degrees Fahrenheit. use number
10. Solve and graph: use graph

 


Absolute Value Inequlities: QR Challenge

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

Question 1 (of 10)

 


Absolute Value Inequlities: QR Challenge

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

Question 2 (of 10)

 


Absolute Value Inequlities: QR Challenge

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

Question 3 (of 10)

 


Absolute Value Inequlities: QR Challenge

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

Question 4 (of 10)

 


Absolute Value Inequlities: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_an_Inequality_using_absolute_value_for_the_following:__The_height_of_a_plant_must_be_within_2_inches_of_the_standard_13-inch_show_size.

Question 5 (of 10)

 


Absolute Value Inequlities: QR Challenge

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

Question 6 (of 10)

 


Absolute Value Inequlities: QR Challenge

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

Question 7 (of 10)

 


Absolute Value Inequlities: QR Challenge

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

Question 8 (of 10)

 


Absolute Value Inequlities: QR Challenge

https://www.classtools.net/QR/decode.php?text=Express_this_expression_using_an_inequality_involving_absolute_value._The_weatherman_predicted_that_the_temperature_today_would_be_within_3_degrees_of_52_degrees_Fahrenheit.

Question 9 (of 10)

 


Absolute Value Inequlities: QR Challenge

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

Question 10 (of 10)