How can schools around the United States turn "the opportunity of the Common Core into reality in every classroom, school, and district?" This very question occupies the minds at the National Council of Teachers of Mathematics. This thoughtful report gives guidance to teachers, mathematics coaches, administrators, parents, and policy makers. Visitors can learn about eight essential mathematics teaching practices and also learn how educators can engage students in mathematical thinking and reasoning. The site also contains several webcasts, news releases, and helpful reflection guide.