This home instructor's guide accompanies Singapore Math's Standards Edition 4B student curriculum. Lessons are explained with mathematical background information for the teacher, objectives for each chapter, step-by-step teaching activities, reinforcement ideas, textbook and workbook exercise answers, games, and a list of any materials needed to teach the lesson. Reproducible blackline masters include mental math drills and manipulatives to reproduce and cut out. Help your students develop an understanding of the concepts and problem-solving strategies that come with actual problem solving rather than simply working through a given series of steps! 150 pages, softcover, spiral-bound.