Basically, CORE Math is the basic course of  IGCSE Math. EXTENDED Math is in depth and it gets a little bit more complex, and teaches some new aspects of the course, that CORE Math does not teach. When you take the EXTENDED Math,  you ALSO learn the CORE Math syllabus. The extended Math exam tests you Read more about What is the difference between IGCSE 0580 Core Math & Extended Math?[…]