The Dimensions Math Textbook 1B by Singapore Math is a beginner-level textbook focusing on mathematics. Published by Singapore Math Inc., the book is written in English and belongs to the subject area of education. It is designed for students looking to build a strong foundation in mathematics, following the curriculum set by Singapore Math. Perfect for those needing a structured and comprehensive approach to learning mathematics, this textbook offers a clear and effective educational resource for anyone looking to improve their math skills.