The time it takes for the bar model method, the heart and soul of Singapore math, to become a common feature in most math curriculums around the world, which implicitly means that it no longer holds the competitive edge over other developed nations in math education.
With pirates from both developing and developed countries leveraging on AI, the half-life of Singapore math is getting exponentially shorter, and the “fine” city of Singapore risks being innovated away if local math educators don’t act now.