Three-dimensional Geometry



solids enclose volume. the solids such as cubes, cuboids, pyramids, cones, cylinders and spheres are frequently seen and used.

the cross section of a solid is a "slice" of a solid through a given direction.

prism is a solid with the same cross section for all of its length.

Key Skills


  • recognise and name solid shapes.
  • recognise solids from different views and nets.
  • draw solids on isometric paper.


three-dimensional, cross sectionprismcuboid, rectangular prismcube,
triangular prismpyramidconecylinderspherenet, isometric paper