What grades are you talking about? There was a very large experiment done over 80 years ago that showed kids who weren't taught arithmetic until 6th grade did j

What grades are you talking about? There was a very large experiment done over 80 years ago that showed kids who weren't taught arithmetic until 6th grade did just as well as their peers after just a year of instruction. They even performed better than their peers on word problems. https://www.psychologytoday.com/blog/freedom-learn/201003/when-less-is-more-the-case-teaching-less-math-in-school https://www.psychologytoday.com/blog/freedom-learn/201003/wh...