IB study guides, exam tips and resources for Hong Kong students across Maths, Physics, Chemistry, Biology, Economics, English and Business.
IB grade boundaries are the marks needed for each grade from 1 to 7. They move between subjects, levels and sessions, so they are best used as context, not a prediction.
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IB Mathematics Analysis & Approaches and Applications & Interpretation suit different thinkers and different university courses. This guide compares content, assessment and how to choose.
Read Full ArticleThe IB Maths IA is a mathematical exploration. This guide covers topic choice, structure, what makes the mathematics strong, common mistakes and reflection for AA and AI students.
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Paper 1 tests your understanding of the course under exam conditions. This guide covers the skills it tests, preparation, question strategy, timing and common mistakes for AA and AI.
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Paper 2 rewards calculator fluency and clear written working. This guide covers using technology well, multi-step questions, timing and common mistakes for AA and AI.
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Paper 3 is the HL-only paper that tests extended problem solving. This guide covers approaching unfamiliar problems, reasoning, practice strategy and common mistakes for AA and AI HL.
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A 7 in IB Maths comes from understanding, targeted practice, error review and exam consistency. This guide sets out a practical approach for AA and AI, HL and SL, without guarantees.
Read Full ArticleThe IB Physics IA is a scientific investigation. This guide covers research questions, variables, data collection, analysis, uncertainty, evaluation and common mistakes.
Read Full ArticlePhysics revision rewards understanding and application. This guide covers weak-topic mapping, rebuilding concepts, problem types, error analysis and timed practice.
Read Full ArticleA 7 in IB Physics comes from understanding, application, error review and exam consistency. This guide sets out a practical strategy for HL and SL, without guarantees.
Read Full ArticleData analysis is a distinctive part of IB Physics. This guide covers reading tables and graphs, choosing graphs, relationships, uncertainty and evaluating evidence.
Read Full ArticleA practical IB Physics revision guide: active recall, a revision map, efficient problem practice, past papers, an error log and a framework for the final weeks.
Read Full ArticleThe IB Chemistry IA is a scientific investigation. This guide covers research questions, variables, experimental design, data, analysis, evaluation and common mistakes.
Read Full ArticleChemistry revision rewards understanding, calculation and application. This guide covers weak-area mapping, concepts, calculations, data questions, error analysis and timing.
Read Full ArticleA 7 in IB Chemistry comes from understanding, calculation fluency, application, error review and exam consistency. This guide sets out a practical strategy for HL and SL, without guarantees.
Read Full ArticleData analysis is a distinctive part of IB Chemistry. This guide covers reading tables and graphs, relationships, uncertainty, evaluation and turning data into explanations.
Read Full ArticleA practical IB Chemistry revision guide: active recall, a revision map, efficient calculation practice, application, data questions, past papers and an error log.
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The IB Biology IA is a scientific investigation. This guide covers research questions, variables, experimental design, data, analysis, evaluation and common mistakes.
Read Full ArticleBiology revision rewards understanding, application and data interpretation. This guide covers weak-area mapping, active recall, data questions, extended responses and timing.
Read Full ArticleA 7 in IB Biology comes from understanding, application, data interpretation, scientific reasoning and exam consistency. This guide sets out a practical strategy for HL and SL, without guarantees.
Read Full ArticleData analysis is a distinctive part of IB Biology. This guide covers reading tables and graphs, trends, anomalies, uncertainty, evaluation and turning data into biological explanations.
Read Full ArticleA practical IB Biology revision guide: active recall, a revision map, application, data questions, extended responses, past papers and an error log.
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The IB Economics IA rewards applied economic reasoning. This guide covers topic selection, the research focus, diagrams, evidence, analysis vs evaluation, structure and common mistakes.
Read Full ArticlePaper 1 rewards applied economic reasoning. This guide covers reading the question, diagrams, chains of analysis, evaluation, structure, timing and preparation.
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Paper 1 rewards close analysis of an unseen text. This guide covers reading, finding analytical points, building a thesis, using evidence, structure, timing and common mistakes.
Read Full ArticlePaper 2 is a comparative essay. This guide covers choosing a question, building a comparative thesis, selecting evidence, comparing rather than summarising, structure and preparation.
Read Full ArticleThe Individual Oral is an analytical oral assessment. This guide covers the global issue, extract selection, line of argument, close analysis, delivery and preparation.
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The IB Business IA rewards applied business reasoning. This guide covers topic selection, the research question, business tools, evidence, analysis vs evaluation, structure and common mistakes.
Read Full ArticleA 7 in IB Business comes from understanding, application, analysis, evaluation and exam consistency. This guide sets out a practical strategy for HL and SL, without guarantees.
Read Full ArticleBusiness and Economics overlap but differ in focus, quantitative work and assessment. This guide compares them to help you choose the better fit.
Read Full ArticleCase-study application is the core of IB Business. This guide covers reading for evidence, choosing concepts, building analysis, evaluating options and common mistakes.
Read Full ArticleExam technique turns knowledge into marks. This guide covers reading the question, command terms, case application, analysis, evaluation, calculations and timing.
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The TOK Essay is an argument about knowledge. This guide covers prescribed titles, knowledge arguments, claims, counterclaims, examples, implications and structure.
Read Full ArticleThe TOK Exhibition explores a prompt through three objects. This guide covers prompt selection, object choice, commentary, analysis, structure and common mistakes.
Read Full ArticleImproving in TOK means building stronger arguments, using examples well, challenging assumptions and communicating with precision. This guide sets out a practical approach.
Read Full ArticleClaims and counterclaims are the engine of a TOK argument. This guide explains how to build, challenge and refine them with relevant real-world examples.
Read Full ArticleReal-world examples are the evidence of TOK. This guide covers choosing relevant examples, explaining their significance, and connecting them to claims and counterclaims.
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