IB Mathematics IA

IB Mathematics IA Examples & Guidance

A strong Mathematics Internal Assessment begins with a clear aim, coherent reasoning, and mathematics that matches the course level. Reviewing IB Mathematics IA examples helps you see how these elements come together in a finished exploration.

Read the FAQs

Why IB Mathematics IA Examples Matter

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See criteria applied in real work

Example explorations show what the assessment criteria look like in practice. They illustrate how a focused aim drives the entire investigation and how mathematical reasoning is communicated step by step.

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Understand expected mathematical depth

Seeing a range of topics helps you understand the breadth of suitable investigations, from modelling and statistics to pure mathematics and applications.

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Learn clear structure and notation

You learn how much background to include, where to place technology output, and how to reference sources cleanly.

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Identify effective use of technology

Examples also reveal common presentation patterns: clear section headings, labelled diagrams, consistent notation, and a reflective conclusion that ties back to the aim.

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Recognise reflective conclusions

Reflection appears throughout, not only at the end, showing awareness of limitations and alternative approaches.

What Strong Explorations Demonstrate

  1. Precise, sustained aimA high-quality IA states a precise aim and keeps every section connected to it. The mathematics chosen is appropriate for the course level and is applied correctly, not just quoted.
  2. Course-level mathematics used correctlyReasoning flows logically: definitions lead to methods, methods produce results, and results are interpreted in context. Reflection appears throughout, not only at the end, showing awareness of limitations and alternative approaches.
  3. Logical reasoning with ongoing reflectionPresentation supports the mathematics. Graphs, tables, and code snippets are labelled and explained. Citations follow a consistent style and acknowledge every external idea or dataset.
  4. Labelled visuals and explained codeEach visual element is clearly labelled and its purpose explained within the argument.
  5. Consistent citation styleReferences are complete and follow a single citation style throughout the exploration.

Common Pitfalls to Avoid

Unfocused aims that are too broad or descriptive lead to unfocused explorations. Superficial analysis occurs when calculations are shown without interpretation or when the mathematics does not match the course level.

Poor presentation makes strong mathematics hard to follow: missing labels, inconsistent notation, unexplained technology output, and references that are incomplete or absent.

Leaving reflection to a final paragraph limits its impact. Reflection works best when it appears at decision points, such as why a model was chosen, what assumptions were made, and how results might change with different parameters.

Choosing a Suitable Topic

Match interest to mathematical depthEnsure data or theory is accessibleNarrow to a clear research questionConfirm feasibility with a teacher or tutorAllow room for independent extension

Structuring Your Exploration

Introduction with aim and plan

A logical structure guides the reader from context to conclusion. Begin with an introduction that states the aim, provides necessary background, and outlines the plan.

Development with justified methods

Follow with a development section where mathematics is defined, methods are justified, and results are derived.

Technology integrated and explained

Integrate technology purposefully: include code, spreadsheet extracts, or grapher output only when they advance the argument, and always explain what the output shows.

Discussion with limitations

A discussion section interprets results, addresses limitations, and compares alternative approaches.

Conclusion tied to the aim

Conclude by returning to the aim, summarising findings, and reflecting on the process. Appendices hold raw data, full code, or lengthy derivations. Cite every source in a consistent style throughout.

Meeting the Assessment Criteria

1

Presentation: structure, notation, labels

For Presentation, use clear headings, consistent notation, and labelled visuals.

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Communication: definitions, steps, terminology

For Mathematical Communication, define terms, explain steps, and use appropriate terminology.

3

Engagement: independent choices, creativity

Personal Engagement is shown through independent choices, creative approaches, and reflection embedded in the work.

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Reflection: evaluate, discuss, extend

Reflection means evaluating methods, discussing assumptions, and considering extensions at relevant points.

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Mathematics: course-level, correct, explained

Use of Mathematics requires mathematics commensurate with the course, applied correctly and with understanding. Demonstrate why each technique fits the problem and what the results mean in context.

Timeline and Milestones

  1. Early DP yearFinalise your topic and outline. Align your IA schedule with the school year.
  2. Mid-yearComplete a first draft of the development section so your teacher can give substantive feedback while there is time to revise.
  3. School breaksUse school breaks for deeper mathematical work or data collection.
  4. Before internal deadlineAim to submit a polished draft before the internal deadline, leaving a buffer for final formatting, citation checks, and a last reflection pass.
  5. WeeklyProtect regular IA time each week so the exploration progresses steadily alongside other commitments. The academic calendar shows that October and November often bring competing demands such as Personal Project work and subject planning.

How Tutoring Supports Your IA

Experienced tutors help refine your topic so it is mathematically rich and appropriately scoped. They guide you in selecting and applying course-level mathematics, checking each step for correctness and clarity.

Tutors provide criterion-focused feedback on drafts: structure, communication, engagement, reflection, and use of mathematics. They show how to integrate technology effectively and how to cite sources consistently.

Regular sessions keep momentum, clarify doubts early, and help you meet internal deadlines with confidence.

Getting Started with Support

  1. Initial consultation on ideas and timelineBegin with a consultation where we discuss your current ideas, timeline, and the criteria you want to strengthen.
  2. Matched with experienced Mathematics tutorFrom there, we match you with a tutor experienced in IB Mathematics explorations.
  3. Sessions fit your school scheduleSessions are scheduled around your school commitments.
  4. Drafts reviewed before each meetingYou share drafts, outlines, or questions in advance so each meeting focuses on the next concrete step for your IA.
  5. Focus on next concrete IA stepEach session targets the immediate next action to move your exploration forward.

FAQ

Can I see full example IAs on this page?

This page explains what strong explorations look like and how to build your own. Full example documents are not published here, but tutors can share annotated extracts during sessions to illustrate specific criteria.

How do I know if my topic has enough mathematical depth?

A tutor can review your research question and outline against the course syllabus to confirm the mathematics is at the right level and that there is room for independent reasoning.

When should I start working on my Mathematics IA?

Many students finalise topics early in the DP year and aim for a first draft by mid-year. Starting earlier gives more time for feedback cycles and reduces pressure during busy periods.

What if my school has an early internal deadline?

Tutors can help you plan a compressed timeline, prioritise the most critical criteria, and structure drafting sessions to meet your school's schedule.

Do tutors write any part of the IA for me?

No. Tutors provide guidance, feedback, and mathematical support. All writing, calculations, and decisions remain your own work, in line with IB academic honesty requirements.

Start Your Mathematics IA with Expert Guidance

Book a consultation to discuss your topic, timeline, and the criteria you want to strengthen. We will match you with a tutor who knows the IB Mathematics exploration inside out.