Sean Nank is a math expert who is helping teachers to implement the Common Core standards. He’s a professor at the American College of Education, created in 2005 to provide online graduate programs ...

This is part two of my analysis of instruction and Common Core’s implementation. I dubbed the three-part examination of instruction “The Good, The Bad, and the Ugly.” Having discussed “the “good” in ...

Long a staple of the high school curriculum, the mathematics-course sequence of Algebra 1, geometry, and Algebra 2 is facing a budding challenge as schools transition to the Common Core State ...