Oklahoma Academic Standards
OK.4.GM. Geometry & Measurement (GM)
4.GM.1. Name, describe, classify and construct polygons, and three-dimensional figures.
4.GM.1.1. Identify points, lines, line segments, rays, angles, endpoints, and parallel and perpendicular lines in various contexts.
4.GM.2. Understand angle, length, and area as measurable attributes of real-world and mathematical objects. Use various tools to measure angles, length, area, and volume.
4.GM.2.1. Measure angles in geometric figures and real-world objects with a protractor or angle ruler.