This book is an extensive guide to the IB Mathematics Applications and Interpretation Internal Assessment component. It provides IB Diploma students with tips, resources, and ideas to help them maximize their marks on their IA. Our guide makes frequent reference to the grading matrix and the format that your IA should follow, as well as highlighting details which you must bear in mind when carrying out your investigation. There is a 50-page introductory section which includes step-by-step advice on: - Structure: how to plan your Math IA the ideal way - Ideas: an exhaustive list of excellent sources and inspirational websites - Assessment: maximizing your marks with one eye on the grading criterion - Technology: which tools can be used to improve your IA Alongside the extensive guide, we have included SEVEN excellent student IA which have scored near-perfect marks after being moderated, including several 20/20 explorations.