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Wyatt's Notes — DSE

DSE Mathematics

DSE Mathematics

Complete revision notes for HKDSE Mathematics (Compulsory Part), covering the full curriculum with worked examples, common pitfalls, and exam-style problems. All topics are structured for systematic revision and drill practice.

Algebra and Functions

  • Functions — Domain and range, function notation, linear functions, quadratic functions, and graph sketching techniques
  • Functions (Advanced) — Composite functions, inverse functions, exponential functions, logarithmic functions, and function transformations
  • Quadratics — Factorisation, completing the square, quadratic formula, discriminant, and graphs of quadratic functions
  • Polynomials — Polynomial division, factor theorem, remainder theorem, roots of equations, and polynomial graphs
  • Inequalities — Linear inequalities, quadratic inequalities, absolute value inequalities, systems of inequalities, and optimisation problems
  • Sequences and Series — Arithmetic sequences, geometric sequences, series summation, sigma notation, and convergence tests
  • Logarithms — Logarithmic laws, solving exponential and logarithmic equations, change of base formula, and real-world applications

Geometry and Trigonometry

  • Coordinate Geometry — Straight lines, circles, equations of curves, distance formula, midpoint formula, and locus problems
  • Trigonometry — Trigonometric ratios, sine and cosine rules, trigonometric identities, solving equations, and 3D problems
  • Geometries — 2D and 3D geometry, circle theorems, trigonometric identities, vector geometry, and coordinate ./1-number-and-algebra/3_proof-and-logics

Probability and Statistics

  • Probability — Sample spaces, events, conditional probability, addition and multiplication rules, and probability distributions
  • Dispersion — Range, interquartile range, variance, standard deviation, and box-and-whisker plots
  • Combinatorics — Permutations, combinations, counting principles, binomial theorem, and probability applications
  • Permutations and Combinations — Factorial notation, arrangement problems, selection problems, and the binomial expansion

Related Content

Topics with substantial overlap with IB/A-Level content are noted in individual pages where applicable.

Overview

This section provides comprehensive Dse Maths content, covering all specification points with detailed explanations, worked examples, and practice questions.

Content Structure

Each page in this section includes:

  • Definitions: Clear, precise explanations of key concepts
  • Worked Examples: Step-by-step solutions with annotations
  • Practice Questions: Examination-style questions with detailed solutions
  • Common Pitfalls: Errors to avoid and how to fix them
  • Exam Tips: Strategies for maximising marks

How to Use These Notes

  1. Read the introductory page to understand the topic overview
  2. Work through each sub-topic in order
  3. Attempt the practice questions before checking solutions
  4. Use the flashcards to revise key terminology
  5. Complete the diagnostic test to identify remaining gaps

Key Topics

  • Core definitions and principles
  • Application to examination-style questions
  • Links to related topics across the specification
  • Assessment objective alignment

Revision Strategies

  • Active Recall: Test yourself regularly rather than re-reading notes
  • Spaced Practice: Revisit this topic at increasing intervals
  • Interleaving: Mix with other topics during revision sessions
  • Elaboration: Explain concepts in your own words

Exam Preparation

Focus on command word interpretation and mark scheme analysis. Practice timing yourself on questions to build speed and accuracy. Review examiner reports for this topic to understand common student errors.

Overview

This landing page provides comprehensive coverage of Maths content for the Dse qualification, with detailed explanations, worked examples, and practice questions aligned to the specification.

Content Structure

This page includes:

  • Key Definitions: Precise explanations of essential concepts
  • Core Concepts: Detailed treatment of fundamental principles
  • Worked Examples: Step-by-step solutions demonstrating application
  • Practice Questions: Examination-style questions with mark schemes
  • Common Pitfalls: Frequent errors and how to avoid them
  • Exam Tips: Strategies for maximising marks

How to Use This Content

  1. Read through the introductory material to establish context
  2. Study the definitions and core concepts carefully
  3. Work through the worked examples, following each step
  4. Attempt the practice questions independently
  5. Review your answers against the provided solutions
  6. Note any areas requiring further revision

Key Concepts

  • Foundational definitions and terminology
  • Application of principles to examination contexts
  • Connections to related topics within the specification
  • Assessment objective alignment

Revision Strategies

  • Active Recall: Test yourself on the material rather than passively re-reading
  • Spaced Repetition: Review this content at increasing intervals
  • Interleaving: Mix this topic with others during study sessions
  • Elaborative Interrogation: Ask yourself why each concept works

Exam Preparation

Practise applying these concepts under timed conditions. Focus on understanding what each question is asking and how marks are allocated. Review examiner reports to learn from common mistakes made by other students.