Mathematics | Grade : 4
Domain - Geometry
Cluster - Draw and identify lines and angles, and classify shapes by properties of their lines and angles.
[4.G.A.2] - Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles.
[4.G.A.1] -
Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.