Maths

Converting Units with Decimal Notation

Use, read, write and convert between standard units, converting measurements of length, mass, volume and time from a smaller unit to a larger unit and vice versa, using decimal notation to up to three decimal places.

MathsAge 11+25 minutes

What this topic covers

  • Convert with three decimal places: 2.345 km = 2345 m; 0.05 kg = 50 g; 1.005 l = 1005 ml.
  • Convert small to large with decimal answers to three places: 45 m = 0.045 km; 7 mm = 0.007 m.
  • Solve multi-step problems, choosing the unit that makes the arithmetic easiest.

Core concept summaries

Key ConceptsThree Decimal PlacesSmall to Large, Three PlacesChoose the Easier Unit; the Zero Trap

Practice formats pupils may meet

NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.

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