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POLYGONS AND SOLIDS

This unit is about polygons such as triangles, quadrilaterals, and multi-sided polygons.  In addition, the properties of solids are examined.  Nets are used to show how to lay out solids in two dimensions.  The unit concludes with solving problems in a logical and systematic method.

Introduction (01:43)
General Definitions (03:43)
Polygons and the Pentagon (04:35)
	Practice Worksheet: Identify Polygons
	Answer Key (Password Protected)
Definitions and Basic Facts (09:35)
	Practice Worksheet: Classify Triangles by Length
	Answer Key (Password Protected)
	Practice Worksheet: Classify Triangles
	Answer Key (Password Protected)
Quadrilaterals and Their Secret Information (07:48)
Properties of Cubes and Spheres (01:43)
Properties of Rectangular Prisms and Cylinders (01:55)
Properties of Pyramids and Cones (02:23)