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A pyramid has a square face and four triangular faces.
Shapes (Year 3)
In Year 3 Maths, pupils explore different shapes and learn how to describe them by their sides, corners, and angles — from everyday objects to mathematical patterns.
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Fascinating Fact:
Traffic signs use shapes to share messages, like triangles for warnings and circles for orders.
In KS2 Maths, pupils study 2D and 3D shapes, learning how to name and describe them using properties like edges, faces, and vertices. Recognising shapes helps in geometry, design, and understanding the world around us.
Key Terms
Polygon: A flat 2D shape made up of straight sides, such as a triangle or square.
Vertex: A point where two or more sides of a shape meet (plural: vertices).
Edge: The line where two faces of a 3D shape meet or the side of a 2D shape.
Frequently Asked Questions (Click to see answers)
What are 2D and 3D shapes in Year 3 Maths?
2D shapes are flat, like squares and circles. 3D shapes are solid, like cubes and spheres, with faces, edges, and vertices.
How do you describe a shape’s properties?
You describe a shape by counting its sides, corners, faces, and edges, and by noticing if its sides are straight, curved, equal, or different.
Why do we learn about shapes in KS2 Maths?
Learning about shapes helps children recognise patterns, understand symmetry, and apply geometry in art, architecture, and everyday problem-solving.