Length and distance
What are metric measurements?
Discover the different uses of metric measures from tiny mm to massive km.
What are imperial measurements?
Before we started using metric measurements, we used imperial measurements with feet, pounds and stones.
What is the perimeter?
Discover how to work out the area of a 2D shape, by adding the length of its sides together.
Imperial to metric
Find out about the standard units of measurement used around the world today.
