There are real problems with the way it is taught and the premise that the PROCESS of getting an answer for a math problem is MORE important than getting the right answer. Those are real problems, but the goal of common core is to indoctrinate kids to the leftist way of thinking and behaving.
I agree, that is a bit much for a fourth grader, and so did the the administartion. I am not quite sure how you think that indicts the entire concept of Common core. Do you think similar mistakes were ever made prior to common core?