This is a collection of our adding with regrouping worksheets. It has seventeen different types of activities to help your students and supplement your lessons. You can use these math sheets as a review, homework, quiz, assessment, drill, pre test, or practice for your students in the 2nd, 3rd, or 4th grades. *** View our Addition Bundle to save and get more activities. Here are all the sets included in this bundle. Each set includes ten worksheets with answer keys for each type of problem. 2