In this practical guide, authors Wessman-Enzinger and Gerstenschlager provide a foundation for celebrating mathematical mistakes and offer several strategies and task structures that encourage creative and flexible mathematical reasoning. Part of the Growing the Mathematician in Every Student collection, this book moves beyond the correct–incorrect paradigm by acknowledging the beauty, power, and ubiquity of mistakes, supporting more meaningful student learning. Introduction Chapter 1: Shifting Our Views of Mistakes Chapter 2: Beautiful and Powerful Mistakes Chapter 3: Factual, Procedural, and Conceptual Mistakes Chapter 4: Mistakes by Mathematicians Chapter 5: Two Foundational Instructional Strategies for Examining Mistakes Chapter 6: Changing Minds in Mathematics Chapter 7: This or That Tasks Chapter 8: Invented Notation and Language Chapter 9: Mathematical Games Chapter 10: Mistakes in Action Epilogue References and Resources Index