Edexcel IGCSE Maths B specification (4MB1)

Understanding the exam specification is key to doing well in your Edexcel IGCSE Maths B exam. It lays out exactly what you need to learn, how you'll be assessed, and what skills the examiners seek. Whether you're working through the course for the first time or revising for your final exams, the specification helps you stay focused and confident in your preparation.

We've included helpful revision tools to support you in putting the specification into practice. Wherever you're starting from, you'll find everything you need to feel prepared, from the official specification to high-quality resources designed to help you succeed.

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In the next section, you'll find a simplified summary of the official Edexcel IGCSE Maths B specification, along with a breakdown of key topics, assessment structure, and useful study resources. We've also included links to topic-level guides and revision tools to help you put the specification into practice.

Disclaimer

This page includes a summary of the official Edexcel IGCSE Maths B (4MB1) specification, provided to support your revision. While we've made every effort to ensure accuracy, Save My Exams is not affiliated with the awarding body.

For the most complete and up-to-date information, we strongly recommend consulting the official Edexcel specification PDF.

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Specification overview

The Edexcel International GCSE in Mathematics (Specification B), also known as Maths B, is designed to extend and deepen students’ mathematical skills beyond standard GCSE content. It supports learners with strong mathematical aptitude and prepares them for A Level and further study. The course builds logical thinking, analytical techniques, and creative problem-solving. Learners apply skills in abstract and real-life contexts, promoting a mastery of algebra, geometry, trigonometry, statistics, and calculus. It emphasises both rigour and accessibility within a global context:contentReference[oaicite:0]{index=0}.

Subject content breakdown

1. Number

  • Operations, factors, multiples, indices (including fractional/negative), surds, rational/irrational numbers.
  • Standard form, bounds, proportion, currency conversion.

2. Sets

  • Notation, union, intersection, Venn diagrams, complements, subsets.

3. Algebra

  • Expressions, equations, formulae, sequences, inequalities.
  • Quadratics and cubics (solution by various methods), algebraic fractions, factor theorem, simultaneous and quadratic equations.

4. Functions

  • Function notation, domain/range, composites, inverses.
  • Graphs: linear, polynomial, rational; tangents, gradients, intersections.
  • Variation (direct/inverse), coordinate geometry, differentiation and application to kinematics.

5. Matrices

  • Basic operations (addition, multiplication, scalar), identity and inverse (2×2 only), matrix transformations, determinants.

6. Geometry

  • Angle properties, triangle congruence/similarity, cyclic quadrilaterals, loci, constructions.
  • Circle theorems, symmetry, Pythagoras in 2D/3D.

7. Mensuration

  • Area, volume (cones, spheres, prisms), arc length, sector area.

8. Vectors and transformation geometry

  • Vector notation, addition, scalar multiplication, collinearity, matrix transformations.

9. Trigonometry

  • Sine, cosine, tangent rules and graphs; bearings, elevation/depression; 2D/3D problems.

10. Statistics and probability

  • Bar/pie/histogram graphs, mean/median/mode, grouped data.
  • Probability rules, expected frequency, conditional and independent events, tree diagrams.

Assessment structure

Paper 1 (4MB1/01)

  • 1 hour 30 minutes; 100 marks; 33⅓% of qualification.
  • ~26–30 questions from full content range.
  • Calculator allowed; questions may require knowledge across multiple content areas.
  • Approx. 40% of marks aimed at grades 4–5; 60% at grades 6–9.

Paper 2 (4MB1/02)

  • 2 hours 30 minutes; 100 marks; 66⅔% of qualification.
  • ~11–12 longer questions covering all topics.
  • Formulae sheet included where required; calculator allowed.

Assessment Objectives

  • AO1 (Number & Algebra): 57–63%
  • AO2 (Shape & Space): 27–33%
  • AO3 (Data Handling): 7–13%
  • Problem solving and reasoning skills contribute 30% and 20% to each paper respectively.

Grading

  • Awarded on 9–1 scale; grade 3 also allowed.
  • Linear structure; both papers must be taken in same series:contentReference[oaicite:1]{index=1}.

Key tips for success

Doing well in your Edexcel IGCSE Maths B isn't just about how much you study, but how you study. Here are a few proven tips to help you stay on track

  • Start with a clear plan: Break the subject into topics and create a revision schedule that allows enough time for each. Start early to avoid last-minute stress.
  • Focus on understanding, not memorising: Use our revision notes to build a strong foundation in each topic, making sure you actually understand the material.
  • Practise regularly: Attempt past papers to familiarise yourself with the exam format and timing. Mark your answers to see how close you are to full marks.
  • Be strategic with your revision: Use exam questions by topic to focus on weaker areas, and flashcards to reinforce important facts and terminology.
  • Learn from mistakes: Whether it's from mock exams or practice questions, spend time reviewing what went wrong and why. This helps prevent repeat mistakes in the real exam.
  • Stay balanced: Don't forget to take regular breaks, eat well, and get enough sleep, a healthy routine makes revision much more effective.

With the right approach and consistent practice, you'll build confidence and improve your chances of exam success.

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Frequently Asked Questions (FAQs)

You can download the official specification directly from the Edexcel website, or right here on this page using the PDF Specification Download button. Alongside the specification, we've made it easy to access all the essential revision resources you'll need, including topic summaries, past papers, and exam-style practice questions, all matched to the current specification.
Treat the specification like a checklist. Use it to track your progress, identify areas that need more work, and ensure you're covering everything that might appear in the exam. Our linked resources for each topic will help you revise more effectively.
Always refer to the Exam Code and First Teaching Year shown at the top of this page. These details confirm which version of the specification you're studying. If your course or materials refer to a different code, double-check with your teacher or exam centre.