Because fluency practice is not a worksheet. The landmark book Figuring Out Fluency in Mathematics Teaching and Learning offered educators the inspiration to develop a deeper understanding of procedural fluency, along with a plethora of pragmatic tools for shifting classrooms toward a fluency approach. Now, teachers have the chance to apply that inspiration through explicit instruction and practice every day with the classroom companion Figuring Out Fluency: Addition and Subtraction with Whole Numbers. With this book, teachers can: - Dive deeper into the Significant Strategies for fluency explained in the anchor book - Learn how these strategies grow from and relate to the basic fact strategies children learn - Access over 100 strategy-aligned and classroom-ready activities for fluency instruction and practice in adding and subtracting multi-digit whole numbers, including worked examples, routines, games, and centers - Find activities for assessing all components of addition and subtraction fluency plus support for engaging families - Download all of the needed support tools, game boards, and other resources from the companion website for immediate implementation.