Teaching double digit subtraction without regrouping? Strategies include place value models, expanded form, partial products, number line, counting back, standard algorithm, tens and ones, different ways to solve, and quiz, test, or assessment for subtracting two digit numbers. These 18 activities are ideal for reviewing or introducing the conceptual strategies that allow for easy differentiation and scaffolding. Pre-loaded and ready to use with Seesaw™ and Google Slides™, as well as in PPT™