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QR Challenge: Carolina's COOL Game

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. Minimum Network ProblemsThe need to connect all the points so that one can go from any point to any other point, and the desire to make the total cost of the network as small as possible.
2. SubgraphIncludes each and every vertex of the original graph.
3. TreeA graph that is connected and has no circuits.
4. Spanning TreeA continued tree graph.
5. Minimum Spanning Tree (MST)Graph with the least total weight.
6. Shortest NetworkThe network of minimum length connecting the points.
7. Interior Junction PointA junction point in the network that is not one of the original points.
8. Steiner PointA junction point in the network formed by three line segments coming together forming equal 120 degree angles.
9. Interior Junction RuleThe only possible interior junction points in a shortest network.
10. Steiner TreeAny network without circuits in which every interior junction is a Steiner point.
11. Shortest Network RuleThe shortest network connecting a set of points is either a minimum spanning tree or a Steiner tree.
12. Kruskal’s AlgorithmUsed to find the minimum span of a tree graph.
13. Spanning SubgraphEveryone of the vertices of an original graph.
14. Torricelli’s ConstructionFinding the shortest network connecting vertices of a triangle.

 


Carolina's COOL Game: QR Challenge

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

Question 1 (of 14)

 


Carolina's COOL Game: QR Challenge

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

Question 2 (of 14)

 


Carolina's COOL Game: QR Challenge

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

Question 3 (of 14)

 


Carolina's COOL Game: QR Challenge

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

Question 4 (of 14)

 


Carolina's COOL Game: QR Challenge

https://www.classtools.net/QR/decode.php?text=Minimum_Spanning_Tree_(MST)

Question 5 (of 14)

 


Carolina's COOL Game: QR Challenge

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

Question 6 (of 14)

 


Carolina's COOL Game: QR Challenge

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

Question 7 (of 14)

 


Carolina's COOL Game: QR Challenge

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

Question 8 (of 14)

 


Carolina's COOL Game: QR Challenge

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

Question 9 (of 14)

 


Carolina's COOL Game: QR Challenge

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

Question 10 (of 14)

 


Carolina's COOL Game: QR Challenge

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

Question 11 (of 14)

 


Carolina's COOL Game: QR Challenge

https://www.classtools.net/QR/decode.php?text=Kruskal’s_Algorithm

Question 12 (of 14)

 


Carolina's COOL Game: QR Challenge

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

Question 13 (of 14)

 


Carolina's COOL Game: QR Challenge

https://www.classtools.net/QR/decode.php?text=Torricelli’s_Construction

Question 14 (of 14)