This is a bundle of our 3 digit addition worksheets without regrouping and with regrouping. It includes seventeen different types of activities such as missing addend or sum, showing solution, coloring the correct answer, vertical standard algorithm, adding three addends, and more. You can use these math worksheets as a review, homework, quiz, pre test, assessment, drill, or practice for your students in the 2nd, 3rd, or 4th grades. *** View our Addition Bundle to save and get more activities!