This consumable student workbook is part of the Math in Focus: The Singapore Approach curriculum series. Book 4B, this workbook accompanies Math in Focus\' Student Book Grade 4, Part B, 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 decimals, angles, perpendicular & parallel line segments, squares & rectangles, area & perimeter, symmetry and tessellations. Each chapter includes \"Put on Your Thinking Cap\" exercises and often a math journal exercise. Two-chapter cumulative reviews for some chapters and an end-of-year review test are also included. 170 perforated pages, softcover. Grade 4. Student Book B.