Volume of a cuboid

Length times width times height counted as layers of unit cubes.

Volume of a prism

Cross-section area times length for any prism.

Volume of a cylinder

πr²h as a circular prism, left in terms of π unless a decimal is demanded.

Surface area of a cuboid

Adding the areas of the three pairs of matching faces.

Surface area of a prism

Adding every face of the net so none is missed.

Surface area of a cylinder

The curved face unrolled into a rectangle 2πr long.

Practice

Volume of a prism

Cross-section area times length for any prism.

Practice

Volume of a cylinder

πr²h as a circular prism, left in terms of π unless a decimal is demanded.

Practice

Area, surface area and volume review

Circles, sectors, prisms, cones, spheres and frustums, exact in terms of π.

Mixed review