Domain 4.G, Geometry

Cluster 4.G.A, Draw and identify lines and angles, and classify shapes by properties of their lines and angles.

Additional Cluster

Standard 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.

11 Lessons

26 Activities

Standard 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.

7 Lessons

16 Activities

Standard 4.G.A.3

Recognize a line of symmetry for a two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts. Identify line-symmetric figures and draw lines of symmetry.

7 Lessons

13 Activities