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7.NA.1 – Apply additive and multiplicative strategies flexibly to whole numbers, ratios, and equivalent fractions (including percentages)
Samples: Large numbers presented in tables. Reading large numbers. Write numbers – over one million (common).
Number and place value
ACMNA054 – Recognise and explain the connection between addition and subtraction
Samples: Place value - 'Adding On' single digit numbers. Place value - Two digit addition without trading.
You can go to an overview of all the curricula here.