Properties of 2D and 3D shapes and symmetry

Properties of 2D and 3D shapes and symmetry

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Why this why now

This unit revisits known properties of shapes and extends pupils' knowledge to identify, sort and classify different types of triangles. They then investigate symmetry by creating and completing patterns and looking at symmetry in 2D shapes. This will prepare pupils for future work with 2D shapes including area.

Prior knowledge requirements

  • Identify lines of symmetry
  • Reflect shapes across an axis
  • Classify shapes using symmetry

Threads

Why this why now

This unit revisits known properties of shapes and extends pupils' knowledge to identify, sort and classify different types of triangles. They then investigate symmetry by creating and completing patterns and looking at symmetry in 2D shapes. This will prepare pupils for future work with 2D shapes including area.

Prior knowledge requirements

  • Identify lines of symmetry
  • Reflect shapes across an axis
  • Classify shapes using symmetry

Properties of 2D and 3D shapes and symmetry

In this unit pupils will complete and compose symmetrical shapes from two congruent shapes and investigate lines of symmetry in 2D shapes.