Puzzle Detail
Classic Mathdoku Classic 9×9 Hard — Set 14
| 7= | 54x | 8= | 14+ | |||||
| 48x | 450x | 16+ | 7= | 72x | ||||
| 72x | 8= | |||||||
| 7= | 3+ | 9 | 32x | 1= | 14+ | |||
| 36x4 | 10+ | 9= | 540x | |||||
| 336x | 1= | 5= | 3= | 36x | ||||
| 2= | 10+ | 16+9 | 32x | |||||
| 45x | 24x | 7= | 3=3 | |||||
| 144x | 20+ | 5= | 10+ | 7= |
Show solution
| 3 | 4 | 7 | 9 | 6 | 8 | 5 | 1 | 2 |
| 4 | 5 | 2 | 3 | 1 | 7 | 8 | 9 | 6 |
| 1 | 9 | 5 | 6 | 7 | 4 | 3 | 2 | 8 |
| 7 | 2 | 9 | 8 | 4 | 1 | 6 | 5 | 3 |
| 6 | 1 | 4 | 2 | 8 | 3 | 9 | 7 | 5 |
| 8 | 7 | 1 | 5 | 3 | 6 | 2 | 4 | 9 |
| 2 | 6 | 3 | 7 | 5 | 9 | 1 | 8 | 4 |
| 5 | 8 | 6 | 4 | 9 | 2 | 7 | 3 | 1 |
| 9 | 3 | 8 | 1 | 2 | 5 | 4 | 6 | 7 |
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.