Light shelf wear. Please see all photos. The Dimensions Singapore Math KB Kindergarten B Math Teacher's Guide Spiral is a textbook designed for mathematics instruction in a kindergarten setting. Published by Singapore Math Inc., this spiral-bound guide provides teachers with a thorough curriculum focused on building a strong foundation in arithmetic and problem-solving skills. The guide is written in English and covers various topics within the subject area of mathematics, making it a valuable resource for educators looking to enhance their teaching methods and student learning outcomes.