Introduction to the lesson
Being able to identify the key features of shapes can help us in this lesson.
How many edges does each shape have?
An edge is a straight line that makes part of the outside of a shape.
This video looks at prisms, it starts with showing how a prism is made by looking at its net, and then looks at the faces, edges and vertices of a prism.
Here is a rectangular prism.
How many faces does it have?
How many vertices does it have?
How many edges does it have?
A prism can be made with any polygon at its base.
makes, compares, sketches and names three-dimensional objects, including prisms, pyramids, cylinders, cones and spheres, and describes their features