《國際文憑中學計畫（IB MYP）5（拓展版）數學10E》第三版專為IB中學計畫（IB MYP）數學框架設計編寫，全面涵蓋了該框架中概述的標準和擴展內容。本書推薦給計劃升讀IB文憑課程高級程度（HL）課程的學生。

本書各章節均穿插討論、活動、探究和研究練習，以幫助學生建立概念理解。教材內容以清晰易懂的方式呈現，方便理解和記憶，特別適合英語學習者。

「全球背景」計畫著重強調數學在理解歷史、文化、科學、社會和環境方面的應用。我們力求提供豐富多元的主題和風格，以激發所有學生的學習興趣，並展現數學在現實世界中的應用。

本書的編寫得到了國際IB數學資深教師的指導，但獨立於國際文憑組織（IBO）之外。本書未獲得IBO的認可。

我們致力於出版一本引人入勝、內容全面的教科書和配套數位資源，以培養學生對數學的理解和熱愛。

Mathematics 10E MYP 5 (Extended) third edition has been designed and written for the International Baccalaureate Middle Years Programme (IB MYP) Mathematics framework, providing complete coverage of both the Standard and Extended content outlined in the framework. This book is recommended for students intending to progress to one of the Higher Level (HL) courses in the Diploma Programme. 

Discussions, Activities, Investigations, and Research exercises are used throughout the chapters to develop conceptual understanding. Material is presented in a clear, easy-to-follow style to aid in comprehension and retention, especially for English Language Learners. Each chapter ends with extensive review sets and an online multiple-choice quiz. 

We have developed this book in consultation with experienced teachers of IB Mathematics internationally but independent of the International Baccalaureate Organisation (IBO). It is not endorsed by the IBO. 

We have endeavored to publish a stimulating and thorough textbook and digital resource to develop and encourage student understanding and nurture an appreciation of mathematics.