ATAR Notes: HSC Year 11 Mathematics Extension 1 Notes (2026-2028)

This set of Notes includes everything you need to know for the Year 11 Mathematics Extension 1 course, including copious worked examples, step-by-step explanations, diagrams, and tips from a high-achieving past student. As Maths Extension 1 content is entirely assessable in the HSC exams, these Notes are the perfect tool to help you get a grasp on the foundational knowledge so you can succeed in Year 11 and beyond.

Xin completed her HSC with an excellent ATAR of 98.85 and currently works as a tutor, helping students achieve their best. Brooke completed her HSC with top bands in every subject, achieving a 97 in Maths Extension 1 and a 91 in Maths Extension 2. With her thorough knowledge of the updated content, she is passionate about providing the best advice to help students excel in Mathematics. Brooke has since gone on to study Civil and Environmental Engineering at The University of Technology.