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Understanding Units of Measurement

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Understanding Units of Measurement

Measurement tools including ruler, scales and measuring jug

📏 Part 1: Choosing the Right Unit

1. What is the best unit to measure the length of a pencil?

kilometres

metres

centimetres

millimetres

2. What is the best unit to measure the weight of an apple?

kilograms

grams

litres

millilitres

3. Which units would you use to measure the capacity of a swimming pool?

millilitres

litres

grams

metres

4. Which of these are imperial units? (Tick all that apply)

inches

centimetres

pounds

kilograms

🔄 Part 2: Unit Conversions

5. Convert these measurements. Show your working:

a) 2500 millilitres = _______ litres

b) 3.5 metres = _______ centimetres

c) 1500 grams = _______ kilograms

6. Fill in the missing numbers:

1 metre = _______ centimetres = _______ millimetres

1 kilogram = _______ grams

1 litre = _______ millilitres

💭 Part 3: Real-World Applications

7. Read each scenario and choose the most appropriate unit of measurement:

a) Measuring the height of your classroom door: _____________

b) Weighing ingredients for baking a cake: _____________

c) Measuring medicine for a sick child: _____________

d) Distance from Auckland to Wellington: _____________

8. Explain why we use different units for different measurements. Give an example:
9. Where might you still see imperial units used in New Zealand today?

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