Increases in school school funding don't change the way math is taught nor many other things. I taught at one of he richest Universities in the world and saw up close what math anxiety does to people including my engineering students.
Great argument for providing technology for all students...and most students now have access to smartphones-rich, poor, native or foreign doesn't matter access is ubiquitous.https://www.factfreaks.com/ Challenge every kid you know and every arithmetically challenged person to play and get out of the way.