Visualizing three-dimensional objects presented on the flat surface of a piece of paper or computer screen is challenging for many of us. For people with math disabilities this sort of spatial ...

Each small cube has a volume of 1 cm 3. The volume of the cuboid is 12 cm 3. The surface area of a 3D shape is the total area of all the faces. A cube has six faces which are all squares.

The area of a 2D shape is the space inside the shape. 3-dimensional shapes - Edexcel 3-dimensional shapes have faces, edges and vertices. Volume is the space contained within a 3D shape.