The common core math standards was designed by a man named Jason Zimba.
Here is how Mr. Zimba answers Dr. Sandra Stotsky’s questions about common core math standards…math standards are not designed to prepare students for STEM (science, technology, engineering, and math) studies, but also that they are not designed to get a student into any selective college, even in a non-STEM discipline.
https://www.youtube.com/watch?v=eJZY4mh2rt8