Addition with regrouping (within 1,000) is a concept typically taught in second and third grade math classes. It is a critical skill that builds upon both addition fact fluency and place value understanding. Students can be taught this skill through a variety of strategies such as number lines, hundreds charts, and base 10 blocks to build conceptual understanding. The eventual goal, however, is that students will be able to fluently and efficiently solve addition with grouping problems, typica