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. They talk to each other and enthusiastically share their discoveries. What could possibly make this fantastic scenario come true? The answer is: the Open Middle math problems and strategies in this book.

Open Middle Math by Robert Kaplinsky gives middle and high school teachers the problems and planning guidance that will encourage students to see mathematics in an entirely different light. These challenging and rewarding Open Middle math problems will help you see your students build genuine conceptual understanding, perseverance, and creativity. With these practical and intuitive strategies, extensive resources, and Robert’s own stories about his journey learning to use Open Middle math problems successfully, you will be able to support, challenge, and motivate all your students.