Shape

A fancy name for shapes with straight sides

When line segments, angles, or shapes are the same

When they have the same shape, but different sizes

Tricks for finding the distance around a shape

Comparing shapes to find areas of the unusual ones

Add and subtract the ares of simpler shapes!

Learn the names and features of 3D shapes

This lesson will look at generalizations and how to answer questions regarding what is true of certain objects.

In this video lesson we will understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles.