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Australian Curriculum Teaching Resources

ACMNA055

Mathematics > Year 3 > Number and Algebra > Number and place value > ACMNA055

Recall addition facts for single-digit numbers and related subtraction facts to develop increasingly efficient mental strategies for computation

Elaborations

  • recognising that certain single-digit number combinations always result in the same answer for addition and subtraction, and using this knowledge for addition and subtraction of larger numbers (Skills: Numeracy, Critical and Creative Thinking)
  • combining knowledge of addition and subtraction facts and partitioning to aid computation (for example 57 + 19 = 57 + 20 - 1) (Skills: Numeracy, Critical and Creative Thinking)

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

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