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Related topic
Mathematics / Year 3 / Number and Algebra / Number and place value
Curriculum content descriptions
Recall addition facts for single-digit numbers and related subtraction facts to develop increasingly efficient mental strategies for computation (ACMNA055)
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
- combining knowledge of addition and subtraction facts and partitioning to aid computation (for example 57 + 19 = 57 + 20 – 1)
General capabilities
ScOT terms
Mental arithmetic, Subtraction, Addition, Associativity