Math made easy: Part D of Mathopedia, Level 2 contains the following skill pages: Geometry–Vocabulary-Point-Line-Line Segment-Ray-Intersecting Lines-Plane, Congruent, Perpendicular and Parallel, Circles, The Protractor, Acute-Right-Obtuse-Straight Angles, Vocabulary-Angles, Triangles Classified by Angles, Triangles Classified by Sides, Polygons, Quadrilaterals, Solids, Perimeter-Area-Volume, Ratio, Proportions, Unit Pricing, Scale DrawingsMathopedia, Levels 1 and 2 contain 118 pages of math skil