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Measurement Unit Conversions

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Measurement Unit Conversions

Convert each measurement to the unit shown. Include units in your answers. Use the conversion facts provided where needed.

Metric conversions

Use metric place-value relationships to convert each measurement.

1.Convert 4.2 kilometres to metres.

2.Convert 3,600 millimetres to metres.

3.A science museum display contains 2.35 litres of liquid. How many millilitres is that?

4.Convert 680 grams to kilograms.

5.A museum visitor's height is about 1.7. Which unit is most suitable: millimetres, centimetres, metres or a unit used for long journeys?

millimetres
centimetres
metres
a unit used for long journeys

6.A long-distance trip between two New Zealand cities is about 650. Which unit is most suitable: millimetres, centimetres, metres or a large-distance unit?

millimetres
centimetres
metres
a large-distance unit

Imperial and metric units

Use these approximate conversion facts: 1 inch = 2.54 cm; 1 foot = 30.48 cm; 1 pound = 0.45 kg; 1 kg = 1,000 g.

7.Convert 8 inches to centimetres.

8.Convert 4 feet to centimetres.

9.Convert 12 pounds to kilograms, using 1 pound = 0.45 kg.

10.A model waka in a museum case is 18 inches long. What is its length in centimetres?

11.A recipe demonstration uses 3 pounds of flour. Using 1 pound = 0.45 kg, how many grams of flour is that?

Measurement in context

Apply unit conversions to everyday and scale-drawing situations.

12.A corridor through a science museum is 85 metres long. Convert its length to centimetres.

13.The same 85-metre museum corridor is how many units of 1,000 metres long?

14.For measuring ingredients in a New Zealand baking class, would metric or imperial units be the more practical choice? Give one reason.

15.A scale model is drawn at a scale of 1:40. A museum doorway is 2.4 metres tall in real life. How tall should the doorway be on the drawing? Give your answer in centimetres.