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Bisectors – Mixed – Relay Race In this competitive activity, students work in teams to answer

Bisectors – Mixed – Relay Race In this competitive activity, students work in teams to answer questions provided on small pieces of paper.

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Bisectors – Mixed – Relay Race In this competitive activity, students work in teams to answer

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  1. Bisectors – Mixed – Relay Race In this competitive activity, students work in teams to answer questions provided on small pieces of paper. Students should check their answers with the teacher (who can be anywhere in the room with their answer sheet). If students are correct they can collect the next numbered sheet (easily placed in piles face-up on a desk at the front). If students are wrong they can skip the question or be given 1 or more chances.

  2. Printing To print handouts from slides - Select the slide from the left. Then click: File > Print > ‘Print Current Slide’ To print multiple slides - Click on a section title to highlight all those slides, or press ‘Ctrl’ at the same time as selecting slides to highlight more than one. Then click: File > Print > ‘Print Selection’ To print double-sided handouts - Highlight both slides before using ‘Print Selection’. Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.

  3. Relay Race! Line & Angle Bisectors

  4. Construct a perpendicular bisector of the line AB. Which letter does the line pass through? Construct a line perpendicular to AB that passes through C. (First step: mark two places on the line equidistant from C.) 1 2 3 4 X Y A B B A C Z W Construct a line perpendicular to AB that passes through C. Construct an angle bisector at A. C A B A

  5. Construct an angle bisector for each angle of the triangle. 5 6 7 8 Construct a perpendicular bisector of each side of the triangle Construct a 45° angle at A. Construct a triangle with angles of 60°, 90° and 30°. A

  6. Answer Sheet

  7. Construct a perpendicular bisector of the line AB. Which letter does the line pass through? Construct a line perpendicular to AB that passes through C. (First step: mark two places on the line equidistant from C.) 1 2 3 4 X Y A B B A C Z W Construct a line perpendicular to AB that passes through C. Construct an angle bisector at A. C A B A

  8. Construct an angle bisector for each angle of the triangle. 5 6 7 8 Construct a perpendicular bisector of each side of the triangle Construct a 45° angle at A. Construct a triangle with angles of 60°, 90° and 30°. A

  9. Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths.co.uk

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