MA 01.G.A.1 Distinguish between defining attributes versus non-defining attributes; build and draw shapes to possess defining attributes.
Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size) ; build and draw shapes to possess defining attributes.
Good Projects here: Illustrative Mathematics https://www.illustrativemathematics.org/1