ACMNA030

Solve simple addition and subtraction problems using a range of efficient mental and written strategies

Elaborations

• 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 (Skills: Numeracy, Critical and Creative Thinking)
• modelling and representing simple additive situations using materials such as 10 frames, 20 frames and empty number lines (Skills: Numeracy, Critical and Creative Thinking)

(View this topic on www.australiancurriculum.edu.au )