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Learn Primary Primary 2 Mathematics 2D and 3D Shapes

2D and 3D Shapes

Identify and classify common geometric shapes.

~10 min Mathematics Aligned with NERDC
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2D and 3D Shapes

2D Shapes (Flat)

A 2D shape is flat and has only width and height.

ShapeSidesVertices
Triangle33
Square4 (equal)4
Rectangle44
Circle0 (curved)0
Pentagon55
Hexagon66

3D Shapes (Solid)

A 3D shape has width, height, and depth.

  • Cube — 6 square faces
  • Sphere — perfectly round like a ball
  • Cylinder — circular top and bottom
  • Cone — one circular face, one point
  • Pyramid — triangular faces meeting at a point
💡 Tip

A square is a special rectangle where all sides are equal!

🤖

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Contents

Course contents

Shapes and Patterns

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