Measurement: Units & Conversion
Measurement: Units & Conversion is about understanding how we measure length, mass, capacity, and time — and how to switch between different units. This skill is essential for solving 11+ word problems and for everyday life.
📏 Length
- • 1 kilometre (km) = 1000 metres (m)
- • 1 metre (m) = 100 centimetres (cm)
- • 1 centimetre (cm) = 10 millimetres (mm)
⚖️ Mass
- • 1 kilogram (kg) = 1000 grams (g)
- • 1 gram (g) = 1000 milligrams (mg)
🧪 Capacity
- • 1 litre (L) = 1000 millilitres (ml)
- • 1 centilitre (cl) = 10 millilitres (ml)
⏱️ Time
- • 1 hour = 60 minutes
- • 1 minute = 60 seconds
🔄 How to Convert
- To go to a smaller unit (e.g., km to m): Multiply.
- To go to a larger unit (e.g., g to kg): Divide.
Examples:
- 3 km = 3000 m (× 1000)
- 2500 g = 2.5 kg (÷ 1000)
- 1500 ml = 1.5 L (÷ 1000)
✅ Learning to use units correctly and convert between them helps you solve word problems accurately and check your answers with confidence.
Practice Papers
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