Teaching double digit addition with regrouping or two digit addition without regrouping during Distance Learning? Part-part whole, expanded form, standard algorithm, place value models, break apart, and number line strategies are taught and reviewed, along with a quiz and different ways to solve activity are all included in this interactive digital bundle. In total, there are 18 products and over 300 slides. Pre-loaded and ready to use with Seesaw™ and Google Slides™, students develop the co