I’ll be writing about the elements of mathematics, from pre-school to grad school, for anyone out there who’d like to have a second chance at the subject — but this time from an adult perspective. It’s not intended to be remedial. The goal is to give you a better feeling for what math is all about and why it’s so enthralling to those who get it.
His first post starts with preschool and includes a video from Sesame Street that addresses the question, "Why do we need numbers?" You can read his post here