# Geometry

Mathemania Series (X) - Geometry (X)

## Geometric Transformations (2006)

Icon: The program uses everyday situations and examples to explain the major types of geometric transformations: translations, rotations, reflections and dilations. Teacher Guide available: www.veavideo.com

Middle
High
Length:
00:30 ## Geometric Constructions (2006)

Icon: The program demonstrates the following constructions in the context of a student creating a mobile to hang above a baby's cot: * Bisecting an angle * Perpendicular bisector of a line * Constructing a triangle using three known side lengths * Determine the center of gravity by constructing medians * Determine the inscribed circle of a triangle by constructing the angle bisectors * Determine the

Elementary
Middle
Length:
00:30 ## Coordinate Geometry (2006)

Icon: This program explores the first quadrant of the Cartesian plane in the context of a city grid, then looks at using coordinates, graphing relationships and how slope is measured. Student guide available from the VEA website. www.veavideo.com (under "teacher notes").

Middle
High
Length:
00:30 ## Similarity, Ratio and Proportion (2006)

Icon: This program presents the ideas of similarity, ratio and proportion in a refreshing and informal style. Examples are drawn from everyday life using familiar objects with on-screen graphics producing clear well defined diagrams. Thorough explanations are provided with worked examples and student practice is also included.

Middle
High
Length:
00:22 ## Triangles and Quadrilaterals (2006)

Icon: The program explains how triangles can be classified by side length and by angles, introducing the mathematical names. It then names and illustrates the different types of convex quadrilaterals. Study guides are available from VEA website. www.veavideo.com

Middle
High
Length:
00:24 ## Naming and Measuring Angles (2006)

Icon: This program provides students with a lively introduction to key concepts involved with angles, such as how we define and write information about an angle, mathematical notation for rays, line segments and lines, and how to use a protractor. 