The teacher’s manual comes in two hardcover volumes, Units 1 and 2 in Book 1, and Units 3 and 4 in Book 2. The manual is essential for class time instructions and for directions for workbooks, practice sheets, and supplemental items. A reduced copy of the pupil’s lessons, speed drills, quizzes, and practice sheets are Memoria Press product: https://www.memoriapress.com/curriculum/math/rod-staff-grade-2-math-teachers-manual-units-3-4-third-edition/