Metric Units and Conversions

Convert between adjacent metric units of length, mass, and capacity (e.g. mm/cm/m, g/kg, mL/L) using the prefix scale.

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Learning objective overview

Master Teaching Guide coverage for this objective.

Current NZC (2007)
  • GM4-2
New NZC (2026)
  • NZC26-P4-MEA-MEA-P-Y9-02
  • NZC26-P4-MEA-MEA-P-Y10-01
  • NZC26-P4-MEA-MEA-K-Y9-03
  • NZC26-P4-MEA-MEA-K-Y9-04
  • NZC26-P4-MEA-MEA-P-Y10-02
  • NZC26-P4-MEA-MEA-K-Y9-02
  • NZC26-P4-MEA-MEA-K-Y10-06

Resources

Terminology

  • Millimetre (mm)
  • Centimetre (cm)
  • Metre (m)
  • Kilometre (km)
  • Milligram (mg)
  • Gram (g)
  • Kilogram (kg)
  • Tonne (t)
  • Millilitre (mL)
  • Litre (L)
  • Kilolitre (kL)
  • Hectare (ha)
  • Significant figures
  • Imperial units

Task goals

  • Convert between adjacent metric units of length, mass, and capacity (e.g. mm/cm/m, g/kg, mL/L) using the prefix scale.
  • Convert across multiple steps and unit types, including hectares, tonnes, and litres/kilolitres.
  • Choose an appropriate metric unit for a given measuring context.
  • Solve multi-step problems that combine metric conversion with rounding to significant figures.
  • State limits of accuracy for a rounded or converted measurement.
  • Compare metric measures to their approximate imperial equivalents.

Where this fits

What leads into this objective, and where it goes next.

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Metric Units and Conversions

Metric Units and Conversions

Do

Selecting and using appropriate measurement units for a given context, converting between metric units if necessary and using appropriate prefixes

Statement▸
Year 9 · Measurement · Measuring
NZC26-P4-MEA-MEA-P-Y9-02
Know

The metric prefixes kilo–, mega–, giga–, and tera– signify a unit that is one thousand, one million, one billion, and one trillion times larger than the base unit.

Statement▸
Year 9 · Measurement · Measuring
NZC26-P4-MEA-MEA-K-Y9-03

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