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AC9M3M01: Year 3 Mathematics Content Descriptor – Measurement
AC9M3M01 Year 3 Mathematics

AC9M3M01 – Year 3 Mathematics: null

Strand
Measurement
Substrand
Measurement

This Content Descriptor from Year 3 Mathematics provides the specific knowledge and skills students should learn. Use it to plan lessons, create learning sequences, and design assessments that align with the Australian Curriculum v9.

Content Descriptor

identify which metric units are used to measure everyday items; use measurements of familiar items and known units to make estimates

Elaborations

  • • examining the packaging on supermarket items to determine the metric unit used to describe the mass or capacity of the contents
  • • identifying items that have a mass of one kilogram or \(500\) grams, or a capacity of one litre or \(500\) millilitres and using these benchmarks to estimate the mass or capacity of other things, explaining their reasoning
  • • estimating the height of a tree by comparing it to the height of their friend and quoting the result as “the tree is about \(3\) times as tall”; estimating the capacity of a fish tank by using a litre milk carton as a benchmark
  • • choosing and using metres to estimate the dimensions of the classroom

Achievement Standard This Supports

This Content Descriptor contributes to the following Achievement Standard:

Year 3 ASMATY3
Year 3 Mathematics Achievement Standard
By the end of Year 3, students order and represent natural numbers beyond 10 000. They partition, rearrange and regroup two- and three-digit numbers in different ways to assist in calculations. Students extend and use single-digit addition and related subtraction facts and apply additive strategies to model and solve problems involving two- and three-digit numbers. They use mathematical modelling to solve practical problems involving single-digit multiplication and division, recalling multiplication facts for twos, threes, fours, fives and tens, and using a range of strategies. Students represent unit fractions and their multiples in different ways. They make estimates and determine the reasonableness of financial and other calculations. Students find unknown values in number sentences involving addition and subtraction. They create algorithms to investigate numbers and explore simple patterns. Students use familiar metric units when estimating, comparing and measuring the attributes of objects and events. They identify angles as measures of turn and compare them to right angles. Students estimate and compare measures of duration using formal units of time. They represent money values in different ways. Students make, compare and classify objects using key features. They interpret and create two-dimensional representations of familiar environments. Students conduct guided statistical investigations involving categorical and discrete numerical data and interpret their results in terms of the context. They record, represent and compare data they have collected. Students use practical activities, observation or experiment to identify and describe outcomes and the likelihood of everyday events explaining reasoning. They conduct repeated chance experiments and discuss variation in results.