Subjects
Grades
Solids - Cycle 1
| Mathematics
Table of contents
What is a solid?
A solid is an object with one or more curved or plane (flat) surfaces. It can be held, gripped or even rolled around.
To learn about plane (flat) and curved surfaces, read the concept sheet Faces, Edges and Vertices.
A cube, a sphere, and a cone are solids.
The different faces of a solid can have the shape of plane figures.
To learn about plane figures, read the Plane Figures concept sheet.
The square-based pyramid is made up of plane figures: a square and triangles.
What are the main solids?
The main solids are: spheres, cones, cylinders, cubes, prisms, and pyramids.
You can compare everyday objects in your environment to the different types of solids.
