Shape, Space, and Geometric Reasoning · Geometry

Classifying Polygons

Using side and angle properties to categorize triangles and quadrilaterals.

Key Questions

  1. 1What is the minimum number of properties needed to uniquely identify a shape?
  2. 2How can a square also be classified as a rectangle and a rhombus?
  3. 3Why do the internal angles of any triangle always sum to 180 degrees?

NCCA Curriculum Specifications

NCCA: Primary - Shape and SpaceNCCA: Primary - 2D Shapes
Class/Year: 5th Year
Subject: Mathematical Mastery: Exploring Patterns and Logic
Unit: Shape, Space, and Geometric Reasoning
Period: Geometry

Suggested Methodologies

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