Make 2-digit addition and subtraction practice exciting with this Under the Sea Grid Puzzle Math set! Students solve each equation, find the matching puzzle piece, and reveal adorable ocean animals. This resource supports differentiated learning for Grades 1–3 with three skill levels (no regrouping, regrouping, and mixed review). Perfect for math centers, early finishers, small groups, morning work, and independent practice. ✨ What’s Included 12 Grid Puzzle Worksheets 6 Addition pages 6 Subt