The Nat 5 prelim is usually around November time and covers all topics taught up to that point. It is a full length prelim which mirrors the format of the final exam with a non-calculator paper (Paper 1) followed by a calculator (Paper 2). The questions vary in difficulty with roughly 65% grade C and 35% grade A and are a mix of straight forward and problem solving.
The following topics can be in the S4 prelim. Expect at least one question from each topic. Click on each topic for the past paper questions: