Lesson

Let's go over some of the solids we've looked at. These include:

- prisms
- pyramids
- cones
- cylinders
- spheres

Here is a rectangular prism.

a

How many faces does it have?

Worked Solution

b

How many vertices does it have?

Worked Solution

c

How many edges does it have?

Worked Solution

Here is a square pyramid:

a

How many faces does it have?

Worked Solution

b

How many vertices does it have?

Worked Solution

c

How many edges does it have?

Worked Solution

Here is a cone.

a

How many faces does it have?

Worked Solution

b

How many vertices does it have?

Worked Solution

c

How many edges does it have?

Worked Solution

Idea summary

- Prisms and pyramids have only flat faces.
- Cones, spheres and cylinders have at least one curved face.

Make models of three-dimensional objects and describe key features