Identify, understand and calculate lines and shapes!
This video addresses the following standards:
4.G (Draw and identify lines and angles, and classify shapes by properties of their lines and angles.)
3.G (Understand that shapes in different categories (e.g. rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals.)