Small masses are measured in grams (g)
A drawing pin has a mass of 1 g.
Large masses are measured in kilograms (kg)
A bag of sugar has a mass of 1 kg.
Small lengths are measured in millimetres (mm) or centimetres (cm)
We would measure the length of an ant in mm
We would measure the length of a book in cm
Longer lengths are measured in metres (m)
We would measure the length of a classroom in m
Longer distances are measured in kilometres (km)
We would measure the distance between towns in km
Small capacities are measured in millilitres (ml)
We would measure a glass of milk in ml
Larger capacities are measured in litres (l)
We would measure a bucket of water in l