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Year 2 · Mathematics · Algebra

AC9M2A02

recall and demonstrate proficiency with addition facts to 20; extend and apply facts to develop related subtraction facts

The content description above is Australian Curriculum, Assessment and Reporting Authority (ACARA)’s own wording, reproduced unmodified from the Australian Curriculum v9.0, read in August 2026, and licensed CC BY 4.0.

© Australian Curriculum, Assessment and Reporting Authority (ACARA) 2010 to present, unless otherwise indicated. This material was downloaded from the Australian Curriculum website and was not modified. ACARA does not endorse this product and is not affiliated with it.

Taught alongside it

The rest of Algebra in Year 2.

AC9M2A01

recognise, describe and create additive patterns that increase or decrease by a constant amount, using numbers, shapes and objects, and identify missing elements in the pattern

AC9M2A03

recall and demonstrate proficiency with multiplication facts for twos; extend and apply facts to develop the related division facts using doubling and halving

The same idea, year by year

Where AC9M2A02 comes from and where it goes, for a student working below or above Year 2.

  1. Year 1AC9M1A01recognise, continue and create pattern sequences, with numbers, symbols, shapes and objects, formed by skip counting, initially by twos, fives and tens
  2. Year 1AC9M1A02recognise, continue and create repeating patterns with numbers, symbols, shapes and objects, identifying the repeating unit
  3. Year 3AC9M3A01recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences
  4. Year 3AC9M3A02extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator
  5. Year 3AC9M3A03recall and demonstrate proficiency with multiplication facts for \(3, 4, 5\) and \(10\); extend and apply facts to develop the related division facts

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