Step 7 Objective

Know and use the formula for the volume of a cuboid; calculate volumes and surface areas of cuboids and shapes made from cuboids.


Probing questions

How do you go about finding the volume of a cuboid?

How do you go about finding the surface area of a cuboid?

'You can build a solid cuboid using any number of interlocking cubes.' Is this statement always, sometimes or never true? If it is sometimes true, when is it true and when is it false?

For what numbers can you only make one cube? For what numbers can you make several different cubes?