In 2020, I received 45 points in IB, including 3 core points. This Extended Essay allowed me to achieve that grade. Understanding its style, structure and presentation will help boost EE marks considerably. The essay’s title is, ‘What is modular arithmetic, and how can it be applied to solve problems in the field of number theory?’. It involves introducing the concept, rigorously defining its key properties, showing examples of its problem-solving capabilities and then producing original solutions to number theory problems. Its structure is well-defined and would provide a good example for any Mathematics Extended Essay. This essay is to be used as an exemplar ONLY, to show an example of what a high-scoring EE looks like. Academic honesty is extremely important in the IB, and any plagiarism will risk the entire qualification.

In 2020, I received 45 points in IB, including a 7 in HL Mathematics. This IA allowed me to achieve that grade. Understanding this essay’s style, structure and presentation will help boost IA marks considerably. The essay’s title is, ‘Investigating the relationship between UK national lockdowns and daily COVID-19 cases, and modelling the pandemic under different governmental proposals’. It involves mathematically modelling and detailing different lockdown proposals through exponential regression, integration and functions. This essay is to be used as an exemplar ONLY, to show an example of what a high-scoring IA looks like. Academic honesty is extremely important in the IB, and any plagiarism will risk the whole qualification.