3D Shapes

Scheme of work: GCSE Foundation: Year 9: Term 2: 3D Shapes

Prerequisite Knowledge

  • Draw 2-D shapes and make 3-D shapes using modelling materials; recognise 3-D shapes in different orientations and describe them
  • recognise angles as a property of shape or a description of a turn
  • compare and classify geometric shapes, including quadrilaterals and triangles, based on their properties and sizes
  • identify acute and obtuse angles and compare and order angles up to two right angles by size
  • identify lines of symmetry in 2-D shapes presented in different orientations

Success Criteria

  • Use conventional terms and notations: points, lines, vertices, edges, planes, parallel lines, perpendicular lines, right angles, polygons and regular polygons.
  • rotation symmetries; use the standard conventions for labelling and referring to the sides and angles of triangles; draw diagrams from written description
  • identify properties of the faces, surfaces, edges and vertices of: cubes, cuboids, prisms, cylinders, pyramids, cones and spheres
  • construct and interpret plans and elevations of 3D shapes.

Key Concepts

  • Understanding and applying the keywords is essential throughout this topic.
  • Students need to understand the geometrical difference between a prism and pyramid.
  • Horizontal lines are not drawn on isometric paper.

Common Misconceptions

  • Students often get confused about which elevation to draw and how to include hidden detail.
  • Some students find it very difficult to draw 3D shapes on isometric paper.

3D Shapes Resources

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