Lines and Angles

Topics

• Geometric objects

  • Points and endpoints
  • Segments, lines and rays
  • Naming an angle and its arms

• Angles

  • Comparing angle openings
  • Right, acute, obtuse, straight and reflex angles
  • Using a protractor
  • Constructing a given angle

Learning objectives

1. Identify geometric objects and draw an angle of a specified measure with a protractor.