# Pre-Geometry

Pre-Geometry Flipper®-Topics - CLP-199W
Dimensions, segments, rays, lines, polygons, parallelograms, prisms, solids, cubes, symmetry, perimeter and area. Grades 8–9.
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Dimensions, segments, rays, lines, polygons, parallelograms, prisms, solids, cubes, symmetry, perimeter and area. Grades 8–9.

## Pre-Geometry Flipper®-Topics - CLP-199W

 Dimensions Dimensions: Solids Dimensions: Plane Figures Dimensions: Lines, Segments, and Rays Undefined Term: Points Undefined Term: Lines Undefined Term: Planes Segments Rays Opposite Rays Intersecting Lines Parallel Lines Skew Lines Perpendicular Lines Number Line Coordinate Grid Vertical Line (y-axis) Horizontal Line (x-axis) Midpoint of a Line Segment Absolute Value Distance Sets: Intersection Sets: Union Sets: Subset Angles Angles: Vertex Angles: Sides Measuring Angles Acute Angle Right Angle Obtuse Angle Straight Angle Reflex Angle Pairs of Angles: Adjacent Angles Pairs of Angles: Vertical Angles Pairs of Angles: Complementary Angles Pairs of Angles: Supplementary Angles Pairs of Angles: Linear Pair of Angles Parallel Lines Cut by a Transversal Polygons Polygons: Vertices Polygons: Sides Convex Polygon Concave Polygon Regular Polygon Irregular Polygon Classifying Polygons Congruent Figures Similar Figures Acute Triangle Right Triangle Obtuse Triangle Equiangular Triangle Scalene Triangle Isosceles Triangle Equilateral Triangle Sum of the Angles of a Triangle Pythagorean Theorem Equilateral Triangle Equiangular Triangle Congruent Triangle Quadrilaterals Quadrilaterals: Parallelogram Characteristics Quadrilaterals: Rectangle Characteristics Quadrilaterals: Square Characteristics