First few pages of book A are filled on with pencil. The rest is pristine The Singapore Math Intensive Practice 6A & 6B Workbook is a comprehensive resource for elementary school students looking to improve their mathematics skills. Published by Singapore Math Inc. in 2020, this workbook contains 94 pages of practice exercises focused on mathematics. Specifically designed for intermediate level students, this paperback workbook is a valuable tool for reinforcing mathematical concepts and enhancing problem-solving abilities. With a focus on the subject area of mathematics and written in English by the authors at Singapore Math, this workbook is a key resource for students looking to excel in their math studies.