Perimeter and area (Edexcel GCSE Maths): Flashcards

Total distance around outside edge of a shape

Add all side lengths together

How much space a shape covers

Square units like cm² or m²

Equal in length

Count squares inside the shape

1 cm²

1 cm²

$\frac{1}{2}$ cm²

Whole $\times 1$ + part $\times \frac{1}{2}$

cm or m

Only 2 side lengths (opposite sides equal)