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AC9M1A02: Year 1 Mathematics Content Descriptor – Algebra
AC9M1A02 Year 1 Mathematics

AC9M1A02 – Year 1 Mathematics: null

Strand
Algebra
Substrand
Algebra

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

recognise, continue and create repeating patterns with numbers, symbols, shapes and objects, identifying the repeating unit

Elaborations

  • • interpreting a repeating pattern sequence created by someone else, noticing and describing the repeating part of the pattern and explaining how they know what comes next in the sequence
  • • generalising a repeating pattern by identifying the unit of repeat and representing the elements using numbers, letters or symbols; for example, representing the repeating pattern of stamp, stamp, clap, stamp clap, stamp, stamp, clap, stamp, clap as SSCSC SSCSC SSCSC... recognising the elements that are repeating, describing the unit of repeat as SSCSC and continuing the pattern
  • • recognising within the sequencing of natural numbers that \(0 – 9\) digits are repeated both in and between the decades and using this pattern to continue the sequence and name two-digit numbers beyond \(20\)
  • • collaboratively creating a repeating geometric pattern using dynamic geometric software or a generative artificial intelligence tool, discussing as a class what instructions they would need to input to produce a repeating pattern
  • • identifying the repeating patterns in First Nations Australians’ systems of counting, exploring different ways of representing numbers including oral and gestural language
  • • considering how the making of shell or seed necklaces by First Nations Australians’ includes practices such as sorting shells and beads based on colour, size and shape, and creating a repeating pattern sequence

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.