We measure using the right tool and unit.
| What we measure | Unit |
|---|---|
| Length | centimetre (cm), metre (m) |
| Mass | gram (g), kilogram (kg) |
| Volume of liquid | millilitre (mL), litre (L) |
| Time | second, minute, hour |
| Temperature | degree Celsius (°C) |
Remember
- Use the correct tool: ruler for length, scale for mass, thermometer for temperature.
- Always write the unit with the number.