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QR Challenge: Quads and Pts of Concurrency

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 point of concurrency that is the center of gravity and is the intersection of the three medians of a triangle.CENTROID
2. Name the quadrilateral with diagonals perpendicular and a 60 degree angle.RHOMBUS
3. Which quadrilateral has diagonals congruent and perpendicular?SQUARE
4. Point O is the center of a circle circumscribing triangle ABC . Point O is the intersection of the _____ of the triangle.PERPENDICULAR BISECTORS OF THE SIDES
5. Which quadrilateral has exactly one pair of opposite sides parallel and diagonals congruent? ISOSCELES TRAPEZOID
6. Name the point of concurrency that is the intersection of the three altitudes?ORTHOCENTER
7. A test asks you to inscribe a circle inside of a triangle by construction. What would be your first step in this construction?BISECT THE ANGLES OF THE TRIANGLE
8. Name the property about the slopes of parallel lines.EQUAL SLOPES
9. Name the property about the slopes of perpendicular linesOPPOSITE RECIPROCAL SLOPES
10.
11. The point of concurrency equally distant from the three sides of a triangle.INCENTER
12. The point of concurrency equally distant from the three vertices of a triangleCIRCUMCENTER
13. Name a line segment drawn from a vertex of a triangle to the midpoint of the opposite side.MEDIAN
14.
15. Name a line segment drawn from a vertex of a triangle perpendicular to the line containing the opposite side.ALTITUDE
16.
17. Name a ray or segment that divides an angle into two congruent angles.ANGLE BISECTOR
18. In an isosceles triangle the altitude, angle bisector, and the _______ are all the same segment.PERPENDICULAR BISECTOR
19. What is the special property about the diagonals of a parallelogram?THEY BISECT EACH OTHER
20. In a parallelogram, consecutive angles are _____.SUPPLEMENTARY

 


Quads and Pts of Concurrency: QR Challenge

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

Question 1 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

https://www.classtools.net/QR/decode.php?text=Name_the_quadrilateral_with_diagonals_perpendicular_and_a_60_degree_angle.

Question 2 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 3 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 4 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 5 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 6 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 7 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 8 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 9 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 10 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 11 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 12 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 13 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 14 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 15 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 16 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 17 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

https://www.classtools.net/QR/decode.php?text=In_an_isosceles_triangle_the__altitude,_angle_bisector,_and_the_________are_all_the_same_segment.

Question 18 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

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

Question 19 (of 20)

 


Quads and Pts of Concurrency: QR Challenge

https://www.classtools.net/QR/decode.php?text=In_a_parallelogram,_consecutive_angles_are______.

Question 20 (of 20)