Learning Map

Ratio & Proportion

Scaling, rates and comparison — 18 skills across 5 years. Every skill below shows what it builds on and how to tell your child has it.

Mathematics18 skillsages 9–14

Grouped by the age children typically start each skill. Ages are typical, not deadlines — follow your child’s pace.

Around age 9

Bar Models for Ratiosages 9–12AC ✓ Percentages (age 9+)ages 9–11AC ✓

Around age 10

Calculating Percentagesages 10–11AC ✓ Ratio Problemsages 10–11AC ✓ Scale and similar shapesages 10–11AC ✓ Understanding fractionsages 10–11AC ✓

Around age 11

Compound Unitsages 11–14AC ✓ Dividing Quantities by Ratioages 11–13AC ✓ One Quantity as a Fractionages 11–12AC ✓ Percentages as Fractionsages 11–13AC ✓ Proportion Graphsages 11–14AC ✓ Proportional Reasoning Vocabularyages 11–14AC ✓ Ratio Notationages 11–12AC ✓ Scale and similar shapes (age 11+)ages 11–13AC ✓ Unit Conversionsages 11–12AC ✓

Around age 12

Percentages (age 12+)ages 12–14 Proportionages 12–14 Ratio Notation and Relationshipsages 12–14

← Probability · more Mathematics domains