[Revealed by a Former JVM Developer] Why Can a 3rd Grader Reach High School Math II (Calculus/Complex Numbers) by 7th Grade Without Strain? Empirical Curricu…

"Even though I had my child advance to high school math (Math I/Math II) through Kumon while in elementary school, they can't ...

[Revealed by a Former JVM Developer] The 'Geometric Image of Functions' Decided Between Grades 4-6: Why Do Children Who Memorize Formulas Suddenly Stall in Hi…

"I was good at math until middle school, and I always scored over 90 on regular tests.""Yet, as soon as I entered high school ...