Open Middle Math: Problems That Unlock Student Thinking, 6-12

This book is an amazing resource for teachers who are struggling to help students develop both procedural fluency and conceptual understanding. –Dr. Margaret (Peg) Smith, co-author of 5 Practices for Orchestrating Productive Mathematical Discussions

Imagine that you assign a math problem and your students, instead of getting discouraged after not solving it on the first attempt, start working harder--as if on a quest to figure out the answer. What could possibly make this scenario come true?...