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Number and place value
ACMNA055 – Recall addition facts for single-digit numbers and related subtraction facts to develop increasingly efficient mental strategies for computation
Samples: Adding three numbers. Add three numbers - each under 6. Adding three single-digit numbers.
4.NA.1 – Apply basic addition and subtraction facts, simple multiplication facts, and knowledge of place value and symmetry to:
4.NA.1.a – Combine or partition whole numbers
Samples: Ordinal Numbers. Odd or Even amounts. Even numbers to 20 - equations. Place Values. Place value 100.
You can go to an overview of all the curricula here.