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

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

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

“Witty, compelling, and just plain fun to read . . ." —Evelyn Lamb, Scientific American The Freakonomics of math—a math-world superstar unveils the hidden

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