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Year 1 Mathematics in the Australian Curriculum

15 content descriptions from Version 9.0. Choose "Plan this" to open a lesson plan set up for that content description.

Content descriptions

Number

  • AC9M1N01

    recognise, represent and order numbers to at least 120 using physical and virtual materials, numerals, number lines and charts

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  • AC9M1N02

    partition one- and two-digit numbers in different ways using physical and virtual materials, including partitioning two-digit numbers into tens and ones

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  • AC9M1N03

    quantify sets of objects, to at least 120, by partitioning collections into equal groups using number knowledge and skip counting

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  • AC9M1N04

    add and subtract numbers within 20, using physical and virtual materials, part-part-whole knowledge to 10 and a variety of calculation strategies

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  • AC9M1N05

    use mathematical modelling to solve practical problems involving additive situations including simple money transactions; represent the situations with diagrams, physical and virtual materials, and use calculation strategies to solve the problem

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  • AC9M1N06

    use mathematical modelling to solve practical problems involving equal sharing and grouping; represent the situations with diagrams, physical and virtual materials, and use calculation strategies to solve the problem

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Algebra

  • AC9M1A01

    recognise, continue and create pattern sequences, with numbers, symbols, shapes and objects, formed by skip counting, initially by twos, fives and tens

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  • AC9M1A02

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

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Measurement

  • AC9M1M01

    compare directly and indirectly and order objects and events using attributes of length, mass, capacity and duration, communicating reasoning

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  • AC9M1M02

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

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  • AC9M1M03

    describe the duration and sequence of events using years, months, weeks, days and hours

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Space

  • AC9M1SP01

    make, compare and classify familiar shapes; recognise familiar shapes and objects in the environment, identifying the similarities and differences between them

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  • AC9M1SP02

    give and follow directions to move people and objects to different locations within a space

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Statistics

  • AC9M1ST01

    acquire and record data for categorical variables in various ways including using digital tools, objects, images, drawings, lists, tally marks and symbols

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  • AC9M1ST02

    represent collected data for a categorical variable using one-to-one displays and digital tools where appropriate; compare the data using frequencies and discuss the findings

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Other Year 1 learning areas

Questions teachers ask

What do students learn in Year 1 Mathematics?
The Australian Curriculum v9 has 15 Mathematics content descriptions for Year 1. They are listed on this page with their codes.
How do I plan a Year 1 Mathematics lesson for a content description?
Choose "Plan this" next to the content description. Heapso opens a lesson plan set to Year 1 Mathematics with that code linked, so the plan is built around it. You can change anything before Pip writes.

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© Australian Curriculum, Assessment and Reporting Authority (ACARA) 2010 to present, unless otherwise indicated. This material was downloaded from the Australian Curriculum website (accessed 18 October 2026) and was not modified. The material is licensed under CC BY 4.0.

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