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Shapes (Year 3)
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.

  • 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.
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.

1 .
How many sides does a hexagon have?
5
6
7
8
One way to remember this is that both heXagon and siX have a letter X in them
2 .
Which 3D shape has three faces and two edges?
Cube
Cylinder
Prism
Cone
A cylinder is like a tube with circles at each end
3 .
Which shape has a square face and four triangular faces?
Prism
Cylinder
Pyramid
Sphere
The pyramids in Egypt are ancient buildings which are the shape of a pyramid
4 .
What is the name of the shape with five sides?
Pentagon
Hexagon
Octagon
Cylinder
Pentagons have 5 sides and a pentagram is a 5 pointed star
5 .
Which shape is half of a circle?
Semicircle
Hemisphere
Oval
Prism
A hemisphere is half of a sphere
6 .
How many faces does a cube have?
2
4
6
8
Every face is a square
7 .
What are the corners of a shape also known as?
Faces
Angles
Edges
Vertices
The singular term for vertices is vertex
8 .
What is the name for all polygons with 4 sides?
Square
Cube
Rectangle
Quadrilateral
A square and a rectangle are both quadrilaterals
9 .
Which shape has only one edge?
Square
Circle
Triangle
Pentagon
A circle has no vertices
10 .
What is the name of the shape that resembles a ball?
Hemisphere
Cone
Sphere
Semicircle
A sphere is like a 3 dimensional circle
You can find more about this topic by visiting BBC Bitesize - 2D shapes

Author:  Amanda Swift (Primary School Teacher & Educational Content Developer)

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