"This book will be an invaluable aid for any teacher who is teaching K-8 math online or may be called upon to teach either wholly online or in blended classrooms with student in physical classrooms part time and learning from home part time to limit physical class sizes. This new book will feature Marian's special brand of lucid explanation of difficult concepts, engaging teaching examples, guidance for teachers about what to expect, troubleshooting tips, and formative assessments. This book will be a wonderful supplement to Marian's Differentiating text, and a stand-alone aid for new readers. It can be used with any program that schools may be using. This resource will show how materials teachers already have might be appropriately adapted to help enrich mathematics instruction in the virtual environment. It shows how teachers can have students use their home environment and materials as the basis for engaging open questions and tasks. It shows teachers how to build and maintain community with students online, explores the logistics of independent meetings with students and parents, and setting up "office hours" for individual help It provides samples and directionsfor duplicationg or creating tools like number lines and manipulatives at home. It provides exemplar videos available either on the TCP website or a YouTube channel, that teachers can use or recreate for communicating with parents about goals, methods, and materials, or to provide students spoken instruction that they can save and replay"--