Functional Skills: 3D Shape Basics
Functional Skills: 3D Shape Basics Revision
3D Shape Basics
3D shapes are formed by taking a 2D shape and elongating it, or giving it a depth.
Make sure you are happy with the following topics before continuing.
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Properties of 3D Shapes
All 3D shapes have a countable number of edges, corners and faces – these faces can be flat or curved.
There are three standard 3D shapes to know:
- Cube
- 6 identical faces
- 8 corners
- 12 edges
- All angles at the corners are right angles
- Cuboid
- 6 faces, which can either be squares or rectangles
- 8 corners
- 12 edges
- All angles at the corners are right angles
- Cylinder
- 2 flat sides which are circular
- 1 curved side
- 2 edges
- No corners
Functional Skills: 3D Shape Basics Example Questions
Question 1: Recall the number of faces, edges and corners on a cylinder.
[3 marks]
- Three faces (Two circular, One curved)
- Two edges
- No corners
Question 2: What is the difference between a cube and a cuboid?
[2 marks]
In the same way to comparing a square to a rectangle, a cube is a specific type of cuboid where all faces and edge lengths are the same. A cuboid can have longer or shorter side lengths.
Question 3: This is a piston. Name the 3D shapes in the system.
[3 marks]
Functional Skills: 3D Shape Basics Worksheet and Example Questions
