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
4. Cut them out and place them around your class / school.
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!
4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.
Question | Answer |
1. Which country did Miss Fitzpatrick go swimming with sharks and dolphins? | Bahamas | 2. What is a tangent (tangente) and what is its relationship with the radius(rayon)? | The tangent is a line that touches the circle at the point of tangency (point where the radius and tangent meet) together they create a 90 degree angle. | 3. What is a perpendicular bisector (médiatrice)? | A perpendicular bisector is i line that cuts a chord in two equal halves creating a 90 degree angle and passes through the center of a circle. | 4. How are central angles and inscribed angles (angles inscrits) related? | If both angles share a common arc; the central angle will be twice the size of the inscribed angle. | 5. What happens if two inscribed angles share the same arc? | The inscribed angles will be congruent. | 6. What is an isosceles triangle (triangle isocèle) and what particularity does it have concerning its angles? | An isosceles triangle has two equal sides and the angles on the opposing equal sides are congruent. | 7. How can you locate the center of a circle? | draw two opposing chords and draw their perpendicular bisectors. The point where the perpendicular bisectors intersect is the center. | 8. Jackie works for a realtor photographing houses that are for sale. She photographed a house two months ago using a camera lens that has a 70° field of view. She has returned to the house to update the photo, but she has forgotten her lens. Today she only has a telephoto lens with a 35° field of view. From what location(s) could Jackie photograph the house with the telephoto lens, so that the entire house still fills the width of the picture?(Hint: think of arcs and angles) | Draw different 35 degree angles that share the same arc, they are congruent and will ensure the width of the house is included in the picture. | 9. The following scenario describes the level of in a pipe. The surface of the water from one side of the pipe to the other measures 30 mm and the inner diameter of the pipe 44 mm. What is the depth of the water to the nearest mm (at the deepest level)? | 6mm | 10. Mike has a rock tied to the end of a 5 m rope and is swinging it over his head to form a circle with him at the center. The rock comes free of the rope and flies along a tangent from the circle until it hits the side of a building that is 14 m away from Mike. How far along the tangent did the rock travel? Determine the answer to the nearest meter. | 13m |
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