During the past two decades, Chris Confer and Marco Ramirez have worked to deepen and improve mathematics instruction at schools around the country. The authors identify eight tested principles that transform what can be an overwhelming process into a set of comprehensible and concrete steps. Each phase of the change process is brought to life through the stories and perspectives of teachers, coaches, and principals.

Keep the end in mind -- Understanding the problem -- The stance of a researcher -- The 80/20 rule -- Patterns of talk -- Patterns in content -- Patterns in instruction -- Intentionality.