Ed Southall

Ed Southall is the mathematics curriculum manager at Oak National Academy, and the mathematics lead for teacher training at the University of Huddersfield n the UK. He is the author of "Yes But Why? Teaching for Understanding in Mathematics", 'Geometry Snacks' and "Geometry Juniors". Ed has taught mathematics for 17 years in secondary schools both in the UK and the Middle East. He has developed a large following online as @edsouthall on Twitter where he regularly posts mathematical puzzles.