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Probability

Chance, likelihood and simple experiments — 15 skills across 5 years. Every skill below shows what it builds on and how to tell your child has it.

Mathematics15 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

Equally Likely Outcomesages 9–10AC ✓ Likelihood Languageages 9–10AC ✓ Ordering Likelihoodsages 9–10AC ✓ Probability as a Fractionages 9–10AC ✓ Simple Chance Experimentsages 9–10AC ✓

Around age 10

Calculating Simple Probabilityages 10–11AC ✓ Experimental vs Theoreticalages 10–11AC ✓ Probabilities Sum to Oneages 10–11AC ✓ The 0-to-1 Probability Scaleages 10–11AC ✓

Around age 11

Complementary eventsages 11–13 Experimental probabilityages 11–13AC ✓ The Probability Scaleages 11–13AC ✓

Around age 12

Sets & Venn Diagramsages 12–14 Tree diagramsages 12–14 Venn Diagrams and Counting Outcomesages 12–13

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