Maths

The Gap Between Knowing Maths and Being Good at It Most adults who went through mainstream education have a complicated relationship with maths. They were taught it, they passed it (or did not), and then they mostly stopped doing it. Somewhere between primary school and the end of formal education, the subject either clicked or it did not - and for a significant majority, it did not. The consequences of that tend to surface slowly. You take a data science course and realise you cannot follow the linear algebra. You try to understand how a model is actually working under the hood and the notation stops you cold. You sit in a finance meeting and the numbers float past you. You always meant to go back and fill the gaps. You never quite did. ...