IBDP AI HL Maths The IB Mathematics Applications and Interpretation HL course consists of four assessment items that contribute to a students overall score for the course. There are three exam papers, combined to be worth 80%. Paper 1 (short response questions), Paper 2 (long response questions) and Paper 3 (Long response – problem solving questions) all encourage students to utilize their graphical display calculators. The fourth assessment item, worth the remaining 20% of the marks, is a ‘Mathematical Exploration’, where students complete a written assignment involving the investigation of an area of mathematics that interests them