2D and 3D Shapes

In Year 1, children learn to recognise and name common 2D shapes (circles, squares, rectangles, triangles) and 3D shapes (cubes, cuboids, cylinders, spheres, cones, pyramids). They describe shapes using language like "sides", "corners" (vertices), "edges" and "faces".

Children sort shapes by their properties -- for example, grouping all shapes with 4 sides together, or separating shapes that can roll from those that cannot. They begin to spot shapes in the real world: a door is a rectangle, a tin of beans is a cylinder, a dice is a cube.

They also learn the difference between 2D (flat) and 3D (solid) shapes, and understand that 3D shapes have faces that are themselves 2D shapes -- the face of a cube is a square.

Geometry develops spatial awareness, which is linked to success in science, technology, engineering and everyday problem solving. Children who can visualise shapes find it easier to understand symmetry, angles, area and volume later on.

Shape work also builds mathematical vocabulary. Learning to describe and classify shapes teaches logical thinking and precise communication -- skills that extend well beyond maths.

1. 1

   Go on a shape hunt around the house or on a walk -- how many rectangles can you spot?

2. 2

   Build with blocks and name the shapes as you go: 'Let's put a cube on top of the cuboid.'

3. 3

   Sort household objects by shape: tins (cylinders), boxes (cuboids), balls (spheres).

4. 4

   Draw shapes together and count sides and corners.

5. 5

   Play 'Guess my shape': describe a shape's properties and let your child name it.

6. 6

   Use playdough to make 3D shapes and then press them flat to see their 2D faces.