About the Author & Catalyst Learning Center

These PDF solutions for IGCSE Extended Mathematics have been created by Aladeen Wadia, an educator with over 15 years of experience teaching IGCSE, IB, and A-Level Physics and Mathematics. Most of his teaching career was spent at Wadia International School in North Africa, where he taught IB Physics and all levels of high school mathematics.

Aladeen holds a B.Sc. and an M.Sc. in Postgraduate Physics from the University of Wadia.

Our Mission at Catalyst Learning Center

We are dedicated to helping students master IGCSE, IB, and A-Level Mathematics through clear, well-structured resources. These PDF answers are designed to:

• Present concise yet thorough step-by-step solutions

• Highlight common mistakes to avoid during exams

• Include occasional deeper insights to spark curiosity and understanding

Currently, we are expanding this series to include complete solution sets for IGCSE International Mathematics and other IGCSE Mathematics editions. In addition to printable notes and worked solutions, Catalyst Learning Center is building interactive websites for MCQ practice — allowing students to crack exam-style questions in the shortest possible time before their tests.

A Personal Note

Lastly, but most importantly, my wife and I are raising one wonderful child — who reminds me every day why clear, patient teaching matters.

I sincerely hope these resources help you succeed in your IGCSE journey.

— Aladeen Wadia
Catalyst Learning Center