2-D Shapes


Curved and Straight Sides


The Definition of a Polygon


Naming Polygons: Part 1


Naming Polygons: Part 2


“Special” Quadrilaterals


Naming Polygons: Part 3


Regular and Irregular Polygons: Part 1

Regular and Irregular Polygons: Part 2


Parts of an Angle

The Size of an Angle

Right Angles


"Smaller than” or “Bigger than” a Right Angle