IB Mathematics AA HL – Vectors (Module 7)

What you'll learn
Define and use vectors to describe position, direction, and geometry in IB Mathematics.
Apply scalar products to find angles, test perpendicularity, and justify geometric relationships.
Work confidently with vector equations of lines, including parallel and perpendicular cases.
Find distances using vector projection, including point-to-line and line-to-line problems.
Solve multi-step IB-style vector problems with clear structure and examiner-acceptable notation.
Write full vector solutions that reflect IB marking criteria, not shortcuts or intuition.
Requirements
Students should be enrolled in IB Mathematics AA (SL or HL), or an equivalent pre-university maths course.
A solid understanding of algebra, coordinate geometry, and basic functions is required.
Students should be comfortable with mathematical notation and multi-step problem solving.
No prior knowledge of vectors is required — all vector concepts are built from first principles.
A scientific calculator suitable for IB examinations is recommended.
Description
IB Mathematics AA HL – Vectors (Module 7) is a complete, structured course designed to teach vectors exactly as they are expected to be understood, written, and assessed in the IB examinations.This is not a collection of shortcuts or formula-based tricks.Vectors in IB Mathematics are a language for geometry, and this course focuses on building that language from first principles to full exam-level applications.The course begins with the foundations of vectors: position vectors, direction vectors, and vector notation. From there, it develops the geometric structure behind vectors, including vector equations of lines, parallel and perpendicular relationships, and the use of the scalar product to find angles and justify geometric conditions.A major emphasis is placed on distance problems, including distance from a point to a line and distance between parallel lines, using vector projection rather than coordinate shortcuts. These topics are a common source of lost marks in IB exams, and the course addresses them with clear reasoning and examiner-acceptable structure.As the module progresses, students work through IB-style vector applications that combine multiple ideas into multi-step problems, exactly as they appear in Paper 2 and Paper 3. Each worked example is written with attention to method marks, notation, and logical flow.The final part of the course functions as an exam workshop, where students learn how to write full vector solutions clearly, efficiently, and in a way that aligns with IB marking criteria.This course is ideal for students who want to move beyond mechanical manipulation and develop real control over vector geometry. By the end of the module, vectors become a scoring topic rather than a risk.
Who this course is for
IB Mathematics AA students who want a structured and examiner-aware approach to vectors.
Students who understand basic vector techniques but struggle with IB-style reasoning and exam writing.
IB candidates aiming for high grades who want to turn vectors into a scoring topic.
Teachers or tutors looking for a clear, structured reference for teaching IB vectors.
Homepage

https://www.udemy.com/course/ib-mathematics-aa-hl-vectors-module-7/

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