Probability

Probability is one of the six areas of Pearson Edexcel GCSE Maths (exam code 1MA1). On the 72 real exam papers on this site (not counting the specimen papers), probability questions carry about 7% of the marks on Foundation and 7% on Higher. The topics asked most often are Probability scale and basic probability (36 questions), Tree diagrams and combined events (33 questions) and Venn diagrams and sets (12 questions).

Each topic below has a revision guide with worked examples, then every past-paper question on it, easiest first, with answers and worked solutions.