Students should have learnt Basic Probability (P1, P4 and P7 ) in Year 10
P1: Frequency Trees
P4: Mutually exclusive events sum to one
P7: Theoretical Probabilities & Relative Frequency
Suggestion:
Find opportunity to test starting point and consolidate prior knowledge
The specifications for Probability are almost the same for Foundation and Higher Tiers.
The only 'Higher-ONLY' topic is P9 'conditional probability through two-way tables, tree diagrams and Venn Diagrams'.