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AC9M1M02: Year 1 Mathematics Content Descriptor – Measurement
AC9M1M02 Year 1 Mathematics

AC9M1M02 – Year 1 Mathematics: null

Strand
Measurement
Substrand
Measurement

This Content Descriptor from Year 1 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

measure the length of shapes and objects using informal units, recognising that units need to be uniform and used end-to-end

Elaborations

  • • using \(2\) different units; for example, pop sticks and pencils, to measure the length of an object such as a desk, and explaining why the number of units used may be different
  • • comparing the length of \(2\) objects such as a desk and a bookshelf by laying multiple copies of a unit and counting to say which is longer and how much longer; explaining why they shouldn’t have gaps or overlaps between the units as this will change the length of the unit
  • • measuring the distance between \(2\) locations using footsteps, comparing the results and explaining why there may be different results; for example, referring to the different length of footsteps as using different units
  • • measuring and comparing the length of objects using blocks; for example, comparing the height of \(2\) toys by stacking blocks one on top of the other and counting how many it takes to reach the height of each object to decide which is taller

Achievement Standard This Supports

This Content Descriptor contributes to the following Achievement Standard:

Year 1 ASMATY1
Year 1 Mathematics Achievement Standard
By the end of Year 1, students connect number names, numerals and quantities, and order numbers to at least 120. They demonstrate how one- and two-digit numbers can be partitioned in different ways and that two-digit numbers can be partitioned into tens and ones. Students partition collections into equal groups and skip count in twos, fives or tens to quantify collections to at least 120. They solve problems involving addition and subtraction of numbers to 20 and use mathematical modelling to solve practical problems involving addition, subtraction, equal sharing and grouping, using calculation strategies. Students use numbers, symbols and objects to create skip counting and repeating patterns, identifying the repeating unit.They compare and order objects and events based on the attributes of length, mass, capacity and duration, communicating reasoning. Students measure the length of shapes and objects using uniform informal units. They make, compare and classify shapes and objects using obvious features. Students give and follow directions to move people and objects within a space. They collect and record categorical data, create one-to-one displays, and compare and discuss the data using frequencies.