What probability means
What probability means

Probability describes how likely an event is when the result is random. It is always a number from 0 to 1, where 0 means impossible and 1 means certain.
Step-by-step lessons on AQA GCSE Maths Probability. Each one builds up to exam-style questions. Build fluency with number, ratio and algebra first, since geometry, probability and statistics topics rely on them, and leave extra time nearer the exam for Higher-tier problem-solving and multi-step reasoning questions.