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Measurement Unit Conversions

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Measurement Unit Conversions

Ruler and measuring tools illustration

📏 Part 1: Metric Unit Conversions

1. Convert the following metric measurements:

a) 3.5 kilometres = _________ metres

b) 2500 millimetres = _________ metres

c) 1.8 litres = _________ millilitres

d) 750 grams = _________ kilograms

2. Which unit would be most appropriate for measuring each item? Circle your answer.

Height of a person:

millimetres

centimetres

metres

kilometres

Distance between Auckland and Wellington:

millimetres

centimetres

metres

kilometres

📐 Part 2: Imperial to Metric Conversions

Conversion factors: 1 inch = 2.54 cm, 1 foot = 30.48 cm, 1 pound = 0.45 kg

3. Convert these imperial measurements to metric:

a) 6 inches = _________ centimetres

b) 3 feet = _________ centimetres

c) 10 pounds = _________ kilograms

4. A model car is 15 inches long. What is its length in centimetres?

Answer: _________ centimetres

5. Sarah's recipe calls for 2 pounds of flour, but her kitchen scales show grams. How many grams of flour does she need?

Answer: _________ grams

🎯 Part 3: Real-World Applications

6. A rugby field is 100 metres long. Convert this to:

a) Centimetres: _________

b) Kilometres: _________

7. Which measurement system (metric or imperial) would you choose for each situation in New Zealand? Explain your reasoning.

Measuring ingredients for baking:

Measuring the height of Mount Cook:

8. Challenge: A scale drawing uses the scale 1:50. If a real door is 2 metres tall, how tall should it be drawn on the scale drawing?

Answer: _________ centimetres on the drawing

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