This book sheds light on the hidden connections between everything in mathematics so teachers can explain it while fully understanding it themselves.

The bestselling essential guide for mathematics teachers and those training to teach, Yes, but why? answers all your questions, and sheds light on the hidden co

Studies of teachers in the U.S. often document insufficient subject matter knowledge in mathematics. Yet, these studies give few examples of the knowledge teach

What is understanding and how does it differ from knowledge? How can we determine the big ideas worth understanding? Why is understanding an important teaching

Empower your students as they reimagine the world around them through mathematics Culturally relevant mathematics teaching engages and empowers students, helpin