Understand the criteria
Know what the assessment is asking you to demonstrate before you begin writing.
Internal Assessment
Build an IA you understand and can explain.
Mr Flynn IB's IA guidance is used by students and teachers around the world. Start with the complete free guide, explore mathematical ideas and use the book when you want the whole process beside you.
320pages of practical IA guidance
Choose purposeful mathematics
Develop an idea that gives you room to explore, interpret and communicate mathematics well.
Explain your decisions
Make the exploration genuinely yours by showing the reasoning behind each mathematical choice.
Free video guidance
Two ways into the IA.
Follow the complete guide when you want the whole process, or use the ideas playlist to explore how mathematics can become an investigation.
Complete guide
From introduction to final exploration
Work through the IA in a clear sequence and understand the role of each stage.
Open the playlist on YouTubeIdeas and modelling
See possible explorations take shape
Use worked ideas to understand the difference between a broad topic and a focused mathematical investigation.
Open the playlist on YouTube
Go deeper
Keep the complete IA process on your desk.
The 320-page book brings Mr Flynn IB's guidance into one structured reference, with clear strategies, examiner-informed insight and mathematical examples.