We measure and compare length, mass and volume.
Length
We measure length in centimetres (cm) and metres (m). Remember: 100 cm = 1 m. A longer object has a bigger measurement.
Mass and volume
Mass (how heavy) is measured in kilograms (kg); the volume of a liquid is measured in litres (L).
Remember
- 100 cm = 1 m.
- Length: cm/m · Mass: kg · Volume of liquid: L.