Provide systematic and scaffolded instruction to support your learners' mastery of addition. This substantial resource is meticulously crafted to deconstruct subtraction number operations into digestible pieces. The carefully structured Scope and Sequence ensures a step-by-step progression that builds on previously mastered skills and gradually increases in complexity. The packet includes a baseline assessment planning tool, curriculum map, 13 leveled units featuring flashcards, worksheets, and end-of-unit assessments, along with data sheets and visual anchor charts for regrouping. With over 230 included worksheets, this resource is a must-have for effective and progressive addition instruction.