Year 3 maths Australian curriculum - Algebra

AC9M3A01

Addition and Subtraction Undo Each Other

recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences

AC9M3A02

Mental Strategies from Facts

extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator

AC9M3A03

Times Tables and Their Division

recall and demonstrate proficiency with multiplication facts for 3, 4, 5 and 10; extend and apply facts to develop the related division facts