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Geometry and Spatial Reasoning · Spring Term

Types of Angles and Angle Measurement

Students will identify and classify angles (acute, obtuse, right, straight, reflex) and measure them using a protractor.

Key Questions

  1. Analyze how to accurately measure an angle using a protractor.
  2. Differentiate between acute, obtuse, and reflex angles.
  3. Explain why a straight line is considered an angle of 180 degrees.

NCCA Curriculum Specifications

NCCA: Junior Cycle - Geometry and Trigonometry - G.4NCCA: Junior Cycle - Geometry and Trigonometry - G.5
Class/Year: 3rd Class
Subject: Mathematical Explorers: Building Number and Space
Unit: Geometry and Spatial Reasoning
Period: Spring Term

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