Provide systematic and scaffolded instruction to support your learners' mastery of addition and subtraction. This extensive resource is designed to break down the skills needed to discriminate between addition and subtraction operations into manageable pieces. The carefully structured Scope and Sequence ensures a step-by-step progression that builds on previously mastered skills and gradually increases in complexity. With a baseline assessment planning tool, curriculum map, 8 leveled units featuring flashcards, worksheets, and end-of-unit assessments, along with visual anchor charts for regrouping, this packet has everything you need for year-long instruction! Featuring over 115 worksheets, it is an indispensable tool for effective and engaging addition and subtraction instruction.