When working out the surface area of a cuboid (box shape) you need to think that there are three pairs of opposite sides and each side of a pair will have the same area.

Knowing that pi is equal to 3.14 can be very useful. If you know the diameter of a circle you can use it to work out the circumference.

How to find the area of a parallelogram. Note: drawings are not to scale.

Finding the total area of composite shapes by working out the area of rectangles and triangles within them.