High school

Years 911, Angle Geometry LessonThis PowerPoint covers angle definitions and properties for Year 9, 10 and 11. It includes angles on a straight line, in a triangle, interior and exterior angles of a polygon and parallel lines. The lesson should take approximately an hour from start to finish. All the answers are included in the PowerPoint and there should be time to discuss and explain each concept as you work through the slides. Ideal as a wrap up to an angles or geometry unit of work.

Coordinate Geometry (NCEA Level 2)AS91256 is a Year 12, Level 2 Standard worth 2 credits. This 40 page booklet provides a number of situations and problems that require you to find distances, lengths, gradients, midpoints, equations and perpendiculars. The questions contain scope for Achievement, Merit and Excellence type questions. There are many worked examples with lots of hints and tips. Full answers are supplied.

Straight LinesIf you donâ€™t the understand the Level 2 Coordinate Geometry achievement standard then you should look at this booklet. It does not contain any exercises but does have a lot of worked examples to help you understand: The Distance Between Points, The Midpoint Formula, Gradients, Collinearity, Gradients of Perpendicular Lines, The Equation of a Straight Line, Medians, Altitudes, Perpendicular Bisectors, Intersection of Lines and Concurrency.