Browsing by The Australian Curriculum

Solve simple addition and subtraction problems using a range of efficient mental and written strategies (ACMNA030) * becoming fluent with a range of mental strategies for addition and subtraction problems, such as commutativity for addition, building to 10, doubles, 10 facts and adding 10 * modelling and representing simple additive situations using materials such as 10 frames, 20 frames and empty number lines