Puzzle Detail
Classic Mathdoku Classic 9×9 Medium — Set 11
| 13+ | 14+ | 5=5 | 10+ | 9+ | ||||
| 13+ | 3= | 1 | ||||||
| 6= | 4= | 5= | 1= | 13+ | 7= | 21+ | 54x | |
| 7-9 | 13+ | 8= | 5 | 1= | 4 | |||
| 48x | 9+ | 10x | 84x | |||||
| 70x | 24x | 15+ | 16+ | 3- | 5 | |||
| 24x3 | 6 | 4= | 42x | 9=9 | ||||
| 15+ | 288x | 3= | 7= | 6 | ||||
| 8= | 12+ | 1 | 30x | 8+6 |
Show solution
| 1 | 3 | 9 | 2 | 7 | 5 | 6 | 4 | 8 |
| 7 | 6 | 3 | 5 | 2 | 4 | 8 | 9 | 1 |
| 6 | 4 | 5 | 1 | 8 | 7 | 9 | 2 | 3 |
| 9 | 2 | 7 | 6 | 3 | 8 | 5 | 1 | 4 |
| 2 | 8 | 6 | 4 | 5 | 9 | 1 | 3 | 7 |
| 4 | 7 | 1 | 3 | 9 | 6 | 2 | 8 | 5 |
| 3 | 5 | 2 | 8 | 6 | 1 | 4 | 7 | 9 |
| 5 | 1 | 8 | 9 | 4 | 3 | 7 | 6 | 2 |
| 8 | 9 | 4 | 7 | 1 | 2 | 3 | 5 | 6 |
Solver Notes
Our classic mathdoku puzzles mix all four operations (addition, subtraction, multiplication, division) just like the original KenKen format.
What makes a mathdoku puzzle classic?
Classic mathdoku uses cages with any of the four arithmetic operations, matching the original KenKen-style puzzle format.
Are classic mathdoku puzzles good for beginners?
Start with the 4x4 classic grid — it's the easiest entry point into the full mathdoku experience.
Where can I print classic mathdoku?
Every puzzle page on Freemathdoku.com has a Print button that generates a clean PDF with the answer key.