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IB Papers

IB Papers Explained: Structure, Types & Preparation

IB papers are the written examination components that sit alongside internal assessment in every IB subject. Each paper has a defined format, weighting and set of command terms that shape how you demonstrate knowledge and skills. This guide breaks down paper structures by subject group, common question types, marking principles and practical ways to use past papers in your revision.

Read the FAQs

What Are IB Papers?

IB papers are the externally assessed written examinations that form part of the final grade in each IB subject. They complement internal assessments such as investigations, oral work and portfolios, which are marked by teachers and moderated by the IB.

Every subject typically has two or three papers, each with a distinct focus, duration and weighting. Together they test breadth and depth of the syllabus under timed conditions.

Papers are set and marked by IB examiners using published markschemes. Raw marks from all papers and internal assessment are combined, then converted to the 1–7 grade scale through subject-specific grade boundaries.

Paper Structure by Subject Group

Sciences: MCQ, data-response, optionsMaths: non-calculator, calculator, HL optionsLanguage A: analysis, comparative essayLanguage B: writing, listening/readingHumanities: source, structured, essay

Common Paper Types and What They Test

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Multiple-Choice

Test breadth of knowledge and quick discrimination between plausible options. They reward secure recall and the ability to eliminate distractors under time pressure.

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Data-Response

Assess interpretation of stimulus material, application of concepts to unfamiliar contexts and concise communication. Command terms such as “analyse”, “evaluate” and “calculate” signal the depth required.

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Essay

Require sustained argument, structured use of evidence and engagement with the question’s key terms. They test synthesis across topics and the ability to write clearly within a strict time limit.

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Problem-Solving

Involve multi-step reasoning, selection of appropriate methods and clear presentation of working. Marks are often awarded for method as well as the final answer.

How Papers Are Marked and Grade Boundaries Work

  1. External marking with published markschemesEach paper is marked externally by trained IB examiners using a detailed markscheme that allocates marks for specific points, correct reasoning and appropriate terminology. Markschemes are published after each session and are a primary tool for understanding examiner expectations.
  2. Raw marks combined across componentsRaw marks from all papers and the internal assessment component are summed to give a total subject mark. Grade boundaries (the minimum raw mark for each 1–7 grade) are set after each examination session using statistical and judgemental procedures. Boundaries can shift between sessions to maintain standards.
  3. Assessment objectives guide revision focusUnderstanding how marks are distributed across assessment objectives helps you allocate revision time to the skills that carry the most weight in each paper.

Using Past Papers Effectively

Start with Markscheme-Supported Practice

Start with untimed practice using the markscheme alongside the question paper to learn how marks are awarded for each command term. Progress to timed full-paper attempts under exam conditions to build stamina and pacing.

Honest Self-Marking and Error Logs

After each timed attempt, mark your work honestly using the markscheme. Note where marks were lost: missing key terms, incomplete working, misreading command terms or time pressure. Group these errors by topic and skill to prioritise further study.

Track Recurring Question Patterns

Look for recurring question patterns across sessions. Many subjects revisit core concepts in predictable formats. Building a personal bank of model answers for frequent question types improves speed and confidence.

Regular Sessions Before Mocks and Finals

Schedule past-paper sessions regularly in the months before mocks and final exams, increasing frequency as the exam period approaches.

Build Stamina with Timed Full Papers

Progress to timed full-paper attempts under exam conditions to build stamina and pacing. Regular sessions in the months before mocks and final exams, increasing frequency as the exam period approaches.

Paper-Specific Preparation Timeline

  1. November: cumulative revision startsIn the months leading up to mock exams, focus on completing syllabus coverage and practising individual paper sections. Use November of the final year to begin cumulative revision while keeping coursework on track, as the academic calendar notes that students often feel everything becomes important at once.
  2. December: close criterion gapsDecember is a key window to close gaps in criterion-level understanding and paper technique before the final semester. The calendar highlights that winter break should be used carefully if project documentation or report sections still need attention, while also reviewing weak criteria and upcoming assessment requirements.
  3. January–April: weekly timed papersFrom January to April, shift to full timed papers weekly, rotating subjects to mirror the exam schedule. Prioritise papers with the highest weighting or those where your error logs show persistent gaps.
  4. Final weeks: exam-day routinesFinal weeks should focus on exam-day routines, command-term precision and managing multi-step questions under time pressure.

Common Challenges Students Face with IB Papers

Challenges

  • Time allocation across sections
  • Command-term misinterpretation
  • Cascading errors in multi-step work
  • Essay stamina under timed conditions

How Support Helps

  • Practising with a strict timer per section builds allocation discipline
  • Learning the precise meaning of each command term for your subjects reduces this risk
  • Setting out working clearly and checking intermediate results limits carry-through mistakes
  • Building up to full essay length under timed conditions maintains quality across the whole paper

How Tutoring Supports Paper Preparation

1

Targeted Paper and Question-Type Focus

One-to-one tutoring targets the specific papers and question types where a student loses the most marks. Tutors use markschemes to model examiner-standard responses and give immediate feedback on practice attempts.

2

Markscheme-Based Modelling and Feedback

Sessions can focus on command-term drills, timed mini-sections, and structured debriefs of past-paper attempts. This creates a tight feedback loop that accelerates improvement in exam technique.

3

Command-Term and Timed Drills

Tutors also help students build personalised revision plans that align with the academic calendar, ensuring paper-focused practice intensifies at the right moments relative to mocks and final exams.

4

Calendar-Aligned Revision Planning

Tutors also help students build personalised revision plans that align with the academic calendar, ensuring paper-focused practice intensifies at the right moments relative to mocks and final exams.

Getting Started with Paper-Focused Support

The consultation process begins with a conversation about the student’s subjects, levels and the specific papers they find most difficult. This information is used to match the student with a tutor who specialises in those papers.

An initial diagnostic using recent past-paper attempts or mock results helps the tutor design a focused plan. The plan sets clear short-term goals for each paper and schedules regular check-ins to track progress.

Families can start by submitting the consultation form on the website. The team then arranges a suitable tutor match and outlines the first steps for paper-specific preparation.

FAQ

How many papers does each IB subject have?

Most IB subjects have two or three written papers. The exact number, duration and weighting are set out in the current subject guide for each course and level (SL or HL).

What is the difference between Paper 1, Paper 2 and Paper 3?

Paper numbers denote different examination components with distinct formats. For example, in Sciences Paper 1 is often multiple-choice, Paper 2 data-response and short-answer, and Paper 3 covers option topics. The pattern varies by subject group.

How are IB papers marked?

Papers are marked externally by IB examiners using published markschemes. Raw marks from all papers and internal assessment are combined, then converted to the 1–7 grade scale through subject-specific grade boundaries set each session.

When should I start doing past papers?

Begin with untimed, markscheme-supported practice once syllabus coverage is underway. Move to regular timed full papers from January of the final year, increasing frequency as mocks and final exams approach.

Can tutoring help with a specific paper I struggle with?

Yes. One-to-one tutoring can target individual papers, question types and command terms. Tutors use markschemes to model examiner-standard answers and build timed practice into a calendar-aligned plan.

Start Paper-Focused Preparation

Submit the consultation form to match with a tutor who specialises in the IB papers you need most support with. We’ll design a plan aligned to your exam timeline.