Different Types of Angles Chart

Different Types of Angles Chart
You can find this storyboard in the following articles and resources:
Introduction to Angles Lesson Plans

Introducing Angles

Lesson Plans by Anna Warfield

The basics of angles are so important for students to understand! Angles play a critical role in geometry and are the foundation for trigonometry and geometry. Students should eventually be able to read a protractor, but even just understanding if an angle is big (obtuse or reflex) or small (acute) makes a difference in elementary geometry. The following activities are a great way to provide visual aids to students and help them understand how different angles affect polygons.

Introducing Angles

Storyboard Description

Create a chart describing the different types of angles.

Storyboard Text

  • Angle j is an acute angle because it is less than 90, but greater than 0.
  • j
  • m∠ b = 90°
  • b
  • 90°
  • m∠ s
  • s
  • 180°
  • An angle measuring greater than 0 degrees, but less than 90 degrees
  • u
  • An angle whose legs are perpendicular to one another
  • 180°
  • m∠ w
  • 360°
  • An angle measuring greater than 90 degrees, but less than 180 degrees
  • r
  • An angle measuring 180 degrees; a line
  • m∠ u = 180°
  • An angle measuring greater than 180 degrees, but less than 360 degrees
  • w
  • An angle measuring 360 degrees
  • m∠ r = 360°
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