4This consumable student workbook is part of the Math in Focus: The Singapore Approach curriculum series. Book 3A, this workbook accompanies Math in Focus' Math in Focus Singapore Grade 3, Book A, and provides opportunities for practice, assessment, and skill-development. Cheery illustrations and easy-to-understand text give kids a fun atmosphere to work in. This book's exercises focus on numbers/addition/subtraction to 10,000, mental math & estimation, bar models, multiplication tables, and division . Each chapter includes "Put on Your Thinking Cap" problem solving exercises and often a math journal exercise. 200 perforated pages, softcover. Grade 3. Student Book A.