Solving area problems (Edexcel GCSE Maths): Flashcards

Shapes made of several simpler shapes joined together

Break down complex shapes into simpler parts

When shape is made of separate parts joined together

When a shape has a section cut out or removed

$\text{length} \times \text{width}$

$\frac{1}{2} \times \text{base} \times \text{height}$

Finding missing lengths first

Write them on your diagram

Draw dotted lines to divide into simpler shapes

Add up all the outside edges

Diagrams aren't drawn to scale; use given measurements

$m^2$, $cm^2$, etc.