This exam tips covers Exam Tips within Basic Probability for GCSE Mathematics. Revise Basic Probability in Probability for GCSE Mathematics with 13 exam-style questions and 20 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 5 of 6 in this topic. Treat this as a marking guide for what examiners are looking for, not just a fact list.
Topic position
Section 5 of 6
Practice
13 questions
Recall
20 flashcards
Exam Tips
- Always simplify fractions - write 1/2 instead of 3/6
- Check your answer makes sense - probability cannot be negative or greater than 1
- Read the question carefully - "at least one" is different from "exactly one"
- Use clear notation - write P(A) for "probability of event A"
- Show your working - write the fraction before converting to decimal
- Be careful with units - some questions want decimals, others want percentages or fractions