Help students distinguish between geometrically defining attributes (triangles are closed and three-sided) versus non-defining attributes (color, orientation, overall size) of TRIANGLES. Students will use their electronic device to view, analyze and sort (click, drag, & drop) provided images as they move them into the graphic organizer. As students drag images down, a "Remember..." note that outlines the defining attributes of a triangle will be revealed to provide gentle assistance and lear