автор: Ed Southall

Ed Southall is a teacher trainer in mathematics working for the University of Huddersfield. He also teaches mathematics in a local 11–16 comprehensive school. Ed has worked in education for 13 years in a variety of roles, starting as a teacher of computing before taking up senior roles leading departments for both computing and mathematics, and working as an Assistant Headteacher. He has also worked abroad in the Middle East as a mathematics education consultant and teacher trainer.