Puzzle Detail
Classic Mathdoku Classic 9×9 Medium — Set 9
| 9= | 9+ | 1- | 8+ | 1 | 6= | |||
| 11+ | 108x | 5= | 4= | 56x | 5/ | |||
| 6= | 9= | 1- | 7 | 4= | 3= | 1= | 5 | |
| 3= | 20+5 | 16+ | 9= | 2= | ||||
| 12+ | 8= | 5 | 63x | 4= | ||||
| 5= | 252x | 9+ | 1 | 1- | 360x8 | 3= | 3/9 | |
| 1- | 8 | 7- | 6= | 9 | 5 | 4= | ||
| 12+ | 9= | 2- | 12+ | 4/ | ||||
| 60x | 8= | 9= | 1= | 5 | 6= | 7= |
Show solution
| 9 | 5 | 4 | 2 | 3 | 7 | 1 | 8 | 6 |
| 8 | 3 | 9 | 6 | 2 | 5 | 4 | 7 | 1 |
| 6 | 9 | 2 | 7 | 8 | 4 | 3 | 1 | 5 |
| 4 | 7 | 1 | 3 | 5 | 8 | 6 | 9 | 2 |
| 1 | 8 | 6 | 5 | 7 | 9 | 2 | 4 | 3 |
| 5 | 6 | 7 | 4 | 1 | 2 | 8 | 3 | 9 |
| 7 | 2 | 8 | 1 | 6 | 3 | 9 | 5 | 4 |
| 3 | 1 | 5 | 9 | 4 | 6 | 7 | 2 | 8 |
| 2 | 4 | 3 | 8 | 9 | 1 | 5 | 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.