North Carolina Standard Course of Study
NC.4.MD. Measurement and Data
Understand concepts of angle and measure angles.
NC.4.MD.6. Develop an understanding of angles and angle measurement.
NC.4.MD.6.a. Understand angles as geometric shapes that are formed wherever two rays share a common endpoint, and are measured in degrees.
NC.4.MD.6.b. Measure and sketch angles in whole-number degrees using a protractor.
Classify shapes based on lines and angles in two-dimensional figures.
NC.4.G.1. Draw and identify points, lines, line segments, rays, angles, and perpendicular and parallel lines.