Wait... What Is The Maths IA?

The DP Maths Internal Assessment (IA) often feels like a mystery to many students starting the Diploma Programme. What exactly is it? Why does it matter? And how can you approach it to make the most of your effort? This post breaks down the essentials of the DP Maths IA, helping you understand its purpose, structure, and how to succeed.

The DP Maths IA is a project that forms part of the International Baccalaureate (IB) Diploma Programme’s mathematics courses. It requires students to explore a mathematical topic of their choice in depth, applying concepts learned in class to a real-world or theoretical problem.

Unlike exams, the IA allows you to work independently, showing your creativity and understanding of mathematics. It is a written report, usually around 12 to 20 pages, where you explore, investigate, analyse, and reflect on your chosen topic.

Why the IA Matters

The IA counts for 20% of your final grade in the DP Maths course. Your exams make up the other 80%. This means it has a significant impact on your overall performance. More importantly, it offers a chance to:

• Demonstrate your mathematical skills beyond standard tests

• Explore topics that interest you personally

• Develop research and communication skills by writing a clear, logical report

• Practice problem-solving in a less pressured environment

  
  

Teachers and examiners look for evidence of understanding, originality, and clear mathematical reasoning in your IA.

Choosing a Topic

Picking the right topic is crucial. It should be something you find interesting and that allows you to apply mathematical concepts meaningfully. Here are some tips:

• Focus on a specific question or problem. For example, instead of “Statistics,” try “How does the distribution of heights in my school compare to a normal distribution?”

• Use real data when possible. This could be data you collect yourself or from reliable sources.

• Choose a topic that matches your course level. For example, if you are in Mathematics: Analysis and Approaches, your topic might involve calculus or algebra. If you are in Mathematics: Applications and Interpretation, you might focus on statistics or modelling.

• Avoid overly broad or simple topics. The IA should challenge you but remain manageable.

  
  

Structure of the IA

A well-organised IA report helps communicate your ideas clearly. Most reports follow this general structure:

1. Introduction

   Briefly explain your topic and why you chose it. State the question or problem you will explore and make sure you have a clear aim.

   
   

2. Mathematical Exploration

   Present your mathematical work here. This includes definitions of key variables and terms, formulas, calculations, graphs, and models. Show your reasoning and calculations step by step. Make sure to use proper mathematical formatting.

   
   

3. Analysis, Discussion And Reflection

   Interpret your results. What do they mean? Are there any patterns or conclusions? Discuss any limitations or assumptions. Make sure to reflect on all of your results not just at the end but throughout!

   
   

4. Conclusion

   Summarise your findings and reflect on the process. Mention what you learned and any possible extensions.

   
   

5. References and Appendices

   List any sources you used and include extra material like raw data or detailed calculations.

   
   

Tips for Writing a Strong IA

• Start early. Give yourself plenty of time to explore, write, and revise.

• Use clear and precise language. Avoid unnecessary jargon or overly complex sentences. Write in first person, e.g. "I found that...".

• Include diagrams and graphs. Visuals help explain your points and make your report more engaging.

• Show all your work. Don’t skip steps in your calculations or reasoning.

• Reflect on your process. Explain why you chose certain methods and what you learned.

• Check IB criteria. Make sure your IA meets the assessment requirements.

  
  

Common Mistakes to Avoid

• Choosing a topic that is too broad or too simple

• Failing to explain the mathematics clearly

• Ignoring the reflection and analysis part

• Relying too much on copied material or external sources without proper understanding

• Leaving the IA until the last minute

  
  

Examples of Good IA Topics

• Investigating the mathematics behind the spread of a virus using exponential models

• Analysing the geometry of a famous building or landmark

• Studying the probability of winning in a particular game or lottery

• Exploring patterns in prime numbers or Fibonacci sequences

• Modelling traffic flow using differential equations

  
  

If you're overwhelmed with choosing a topic or would like feedback on your draft, get in touch and book a free consultation!