Based on the International Classroom Lexicon Project, this book will enrich the professional vocabulary of mathematics teachers around the world.

Chapter 1: The International Classroom Lexicon Project. Chapter 2: Naming Aspects of Teaching Practice: Describing and Analysing a Lexicon of Mathematics Teachers in Australia. 3: Australian Lexicon. Chapter 4: What We Can Name in the Classroom: A Chilean Lexicon of Middle School Mathematics Teachers. Chapter 5: Chilean Lexicon. Chapter 6: Exploring the Lexicon of Middle School Mathematics Teachers in China. Chapter 7: Chinese Lexicon. Chapter 8: Understanding Each Other When Speaking About the Mathematics Lesson: The Professional Czech Lexicon. Chapter 9: Czech Lexicon. Chapter 10: The Finnish Mathematics Teachers' Lexicon: A Focus on Organisation and Relationships. Chapter 11: Finnish Lexicon. Chapter 12: Identifying the Professional Lexicon of Middle School Mathematics Teachers: The French Case. Chapter 13: French Lexicon. Chapter 14: Documenting and Developing the Current German Lexicon. Chapter 15: German Lexicon. Chapter 16: The Evolving Nature of the Japanese Lexicon in a Tradition of Lesson Study. Chapter 17: Japanese Lexicon. Chapter 18: Identifying and Documenting Korean Middle School Mathematics Classroom Practices. Chapter 19: Korean Lexicon. Chapter 20: A Lexical Snapshot: An Investigation into the Evolving Terminology of Middle School Mathematics Teachers in the United States. Chapter 21: United States Lexicon.