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You can go to an overview of all the curricula here.
ACMNA173 – Recognise and solve problems involving simple ratios
Samples: Simplifying Ratios. Simplifying Ratios Involving Units. Problem Solving - Unitary Method.
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 numbers – very large numbers.
KS2.Y6.RP – Ratio and proportion
Pupils should be taught to:
KS2.Y6.RP.4 – Solve problems involving unequal sharing and grouping using knowledge of fractions and multiples
Samples: Simplifying Ratios Involving Units. Problem Solving - Unitary Method.