GCSE Maths Topics – Complete Guide for 2026
17 August 2026
A detailed breakdown of all GCSE Maths topics, exam boards, tiers, and revision tips for 2026. Ideal for UK students sitting AQA, Edexcel, or OCR.
What Are the Main GCSE Maths Topics?
The GCSE Maths curriculum in the UK covers five core areas: Number, Algebra, Ratio and Proportion, Geometry and Measures, and Probability and Statistics. These areas are consistent across all major exam boards (AQA, Edexcel, and OCR) but the weighting can vary slightly. For example, algebra typically makes up 20–30% of the exam, while statistics is usually the smallest section. Understanding the full scope of topics is essential for building a revision plan. The exam is tiered into Foundation (grades 1–5) and Higher (grades 4–9), with some topics appearing only on the Higher tier.
Number and Algebra: Core Building Blocks
Number topics include place value, factors, multiples, primes, powers, roots, standard form, fractions, decimals, percentages, and approximation. Algebra introduces expressions, equations, inequalities, sequences, graphs, and functions. On the Higher tier, you’ll also encounter surds, iteration, and algebraic proof. These skill-based topics underpin much of the rest of the paper. Exam questions often combine numeracy with problem-solving, so you need to show clear working. Practising basic arithmetic and algebraic manipulation until they become second nature is the best way to improve speed and accuracy.
Ratio, Proportion and Rates of Change
This strand focuses on the relationships between quantities. Key subtopics include ratios, direct and inverse proportion, percentage change, compound measures such as speed and density, and growth and decay which often appears as compound interest. On the Higher tier, you will also need to handle unit conversions, gradients as rates of change, and graphs of related quantities. Questions in this area frequently appear in ‘wordy’ contexts like recipes, currency exchange, and real-world scenarios. The key is to identify the multiplicative relationship early. Drawing clear tables or ratio charts can help you stick to the logic and avoid common pitfalls with mixed units.
Geometry, Measures and Trigonometry
Geometry covers properties of shapes, angles, perimeter, area, volume, and transformations. You’ll also study circle theorems, vectors, and construction on Higher tier. Trigonometry (using sine, cosine, and tangent) is essential for right-angled triangles and the sine/cosine rules on Higher. Many students find this area the most visual, so practice drawing diagrams accurately and labelling sides clearly. Remember that formulas like Pythagoras’ theorem and area of a circle are not given in the exam — you must learn them. For 2026, expect questions that link geometry to algebra, such as forming expressions for perimeters and solving for unknown variables.
Probability and Statistics: Interpreting Data
Statistics includes sampling, averages, range, and representing data through charts, tables, and frequency diagrams. Probability covers probability scales, tree diagrams, Venn diagrams, conditional probability, and expected frequency. On Foundation tier, you’ll focus on simple outcomes and relative frequency, while Higher adds independent events and conditional probability with notation. Many students overlook the importance of statistical definitions — knowing the difference between mean, median, and mode is crucial. For the 2026 exams, there’s a greater emphasis on interpreting and comparing data from real-world sources. Always answer questions in context, not just with a number, to score those ‘explain’ marks.
FAQ
Students sit three written papers, each lasting 1 hour 30 minutes. Paper 1 is non-calculator, while Papers 2 and 3 allow a calculator. All papers carry equal weight (33.3%). The exams are available in both Higher and Foundation tiers, and you study all topics across the three papers.