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LO: To use informal units to measure mass.


  • Use language such as heavier than and lighter than to describe or compare objects and events

  • Find objects heavier/lighter/equal to a given object or unit of measure

  • Estimate and compare objects to make judgements of comparison relating to mass by hefting

  • Use informal units; for example, handfuls, counters; to estimate, measure and compare masses

  • Use ‘between’ to describe measurements; for example, it weighs between 7 and 8 marbles

  • Select and use the appropriate attribute when responding to measurement questions and select units of measure suitable for measuring mass

  • Understand that different attributes can lead to different results when ordering; for example, this bottle is taller than but weighs less than this bottle