This NO PREP digital activity includes 16 self-correcting questions on adding and subtracting mixed numbers with like denominators, with and without regrouping (renaming). As students solve each problem, a piece of the puzzle will be colored in. After all 16 questions are solved, the complete puzzle will be colored in and revealed! Boom Cards are my favorite resource for independent practice during math centers, test prep, and whole group review. Students love them too. They never complain about