What are metric measurements?

Discover the different uses of metric measures from tiny mm to massive km.

Comparing mass

A Maths guide on comparing mass in grams and kilograms.

Measuring mass in g and kg

This Maths article shows how to measure mass and weight in grams and kilograms.

Add and subtract mass

A Maths article on how to add and subtract mass.

What are imperial measurements?

Before we started using metric measurements, we used imperial measurements with feet, pounds and stones.