1 kilometre = 1000 metres
1 metre = 100 centimetres
1 kilogram = 1000 grams
1 litre = 1000 millilitres
They should also begin to recognise simple fractions and convert between units, such as that 3 and a half kilometres is 3500 metres.
Rulers should be used to a fair degree of accuracy.
This worksheet covers some aspects of this and would be a good assessment or homework sheet.
- Free Year 3 Maths Worksheets
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