https://www.psychologytoday.com/us/blog/freedom-learn/201003/when-less-is-more-the-case-teaching-less-math-in-school https://www.psychologytoday.com/us/blog/fre

https://www.psychologytoday.com/us/blog/freedom-learn/201003/when-less-is-more-the-case-teaching-less-math-in-school https://www.psychologytoday.com/us/blog/freedom-learn/201003... (Additional references at the end of the article.) Good to see someone trying it.