🧩 KenKen

Fill the grid so each row and column contains 1–N, while satisfying arithmetic cage constraints. Combines logic with math practice.

Choose Difficulty

3×3 grid, addition only, with pre-filled cells

4×4 grid, addition & subtraction

5×5 grid, three operations, no hints

6×6 grid, all four operations

7–9×9 grid, all operations, large cages