Not the OP. I assume the public school teachers don't want to answer when the student says "my Russian math teacher said to do this" instead of the common core

Not the OP. I assume the public school teachers don't want to answer when the student says "my Russian math teacher said to do this" instead of the common core math that is being taught. https://www.mathschool.com/blog/parent-resources/what-is-russian-math-anyway https://www.mathschool.com/blog/parent-resources/what-is-rus...