If you are looking for an interactive, fun, and engaging way to practice adding 4-digit numbers without regrouping or carry over to achieve mastery, this set of task cards is definitely best for your students. This can be used in your class discussion, as an online activity, as a formative assessment, as a review, or in math centers. There are 11 task cards on this deck that cover: a) addition of 4-digit numbers without regrouping b) solving word problem involving addition of 4-digit numbers All