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Measurement Matters

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Measurement Matters

Choose suitable units and tools, convert between metric units, and solve measurement problems. Show your working where asked.

Choosing Units and Tools

1.Which unit is the most suitable for recording the length of a small building brick: millimetres (mm), centimetres (cm), or metres (m)?

millimetres (mm)
centimetres (cm)
metres (m)

2.Which unit would be most appropriate for the mass of a handful of potting mix: grams (g) or kilograms (kg)?

grams (g)
kilograms (kg)

3.Choose the better unit for the capacity of a household watering can: millilitres (mL) or litres (L).

millilitres (mL)
litres (L)

4.For a lump of clay, select every tool that could help measure it: ruler, kitchen scales, measuring jug, or tape measure. Consider measuring its mass, dimensions, or volume.

Metric Conversions and Estimates

Measurement

Equivalent amount in centimetres

Equivalent amount in millimetres

5.Convert 3.4 kilograms to grams.

6.Convert 625 millilitres to litres.

7.Convert 2.6 metres first to centimetres and then to millimetres.

8.A drink dispenser contains 3.6 litres of juice. How many millilitres of juice does it hold? Show your calculation.

9.A small handful of dry wood shavings is being weighed. Which estimates could be sensible: 8 g, 80 g, or 800 g? Select every reasonable answer.

8 g
80 g
800 g

Measurement in Everyday Problems

10.A bucket of sand and a bucket of woodchips have the same volume. Explain why their masses may be different.

11.A student needs to measure the width of a tiny tile as precisely as possible. Name a suitable metric unit and a suitable measuring tool.

12.A project needs 0.45 kg of modelling clay, but the scale displays grams only. How many grams should the student measure out? Explain the conversion.