30 May 2022
Impressive work from 2017 by Scott Farrar, May-Li Khoe and Andy Matuschak exploring how to build digital tools to help manipulate and understand math concepts:
What if you had some new way to represent numbers in your head—and manipulate them in your hands—that made certain thoughts easier to think? We’ve designed new interactive representations of numbers to attempt just that.
Many of the ideas have been implemented on Khan Academy today.