The Geometry of Our World · Geometry

Properties of 2D Polygons

Classifying shapes by their number of sides, vertices, and lines of symmetry.

Key Questions

  1. 1What is the minimum number of sides a shape must have to be a closed polygon?
  2. 2How can we prove that a shape has a line of symmetry?
  3. 3Can a shape have more vertices than it has sides?

National Curriculum Attainment Targets

KS1: Mathematics - Geometry: Properties of Shapes
Year: Year 2
Subject: Mathematics
Unit: The Geometry of Our World
Period: Geometry

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