3D Shapes
⭐ Mastered3D shapes have faces, edges and vertices (corners). A cube has 6 faces, 12 edges and 8 vertices.
A sphere has no edges or vertices.
All about 3D Shapes
3D shapes are solid objects with length, width and height. They have faces (flat surfaces), edges (where two faces meet) and vertices (corners where edges meet). A cube has 6 faces, 12 edges and 8 vertices.
Common 3D shapes include the cuboid, sphere, cylinder, cone, pyramid and triangular prism. Some have curved surfaces, while others have only flat faces. Sorting them by faces and edges is a great way to describe them.
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Real-life uses of 3D Shapes
- Packing boxes efficiently in a removal van
- Designing buildings and packaging
- Identifying shapes in food, such as a cylindrical tin of beans
Frequently asked questions about 3D Shapes
What is the difference between a 2D and a 3D shape?
A 2D shape is flat and has only length and width. A 3D shape is solid and also has depth or height.
How many faces does a pyramid have?
A square-based pyramid has five faces: one square base and four triangular sides.
What shape is a ball?
A sphere. It has no faces, edges or vertices because its surface is curved.