Teach 2 digit and 3 digit subtraction with regrouping using these strategies, math centers, posters, activities, printables, and games. Students will learn to use open number lines, expanded form, and more to practice double digit and three digit subtraction. This resource includes activities, posters, and centers that focus on strategies beyond the traditional/standard algorithm!2 Formats included:PrintableGoogle SlidesSUBTRACTION STRATEGIES:Base TenNumber LineBreak It Down (Decomposing Numbers