Solids, nets and projections

Recognise the model, justify the rule and solve independently.

Count the unit cubes in a stack layer by layer, including cubes hidden in the drawing.

Distinguish the volume $abc$ of a cuboid from its surface area $2(ab+bc+ca)$, using cubic units for volume and square units for area.

Explain why different solids can have the same views, and use the views to find the least or greatest possible number of cubes.

Classify the small cubes of a painted $n\times n\times n$ cube by the number of painted faces: corner, edge, face or interior cubes.