This lesson assumes knowledge of basic shapes. It builds on this knowledge by identifying and naming a number of the more common polygons.
• to show that polygons are named for the number of angles in the figure;
to help the children identify the more common polygons by name;
to have the children demonstrate their understanding by drawing polygons on a grid.
Today we are going to meet the polygons. What is a polygon?
The word polygon is made up of two Greek words:
? poly, meaning many;
? gonia, meaning angle.