Puzzle Detail
Classic Mathdoku Classic 9×9 Medium — Set 37
| 3=3 | 2= | 8= | 36x | 11+ | 6 | |||
| 189x | 1-2 | 17+ | 4- | |||||
| 13+ | 1- | 5- | 3 | 252x | ||||
| 4= | 7= | 12+ | 2= | 19+ | ||||
| 24x | 19+ | 3/ | 1 | 8+ | ||||
| 5- | 8= | 9= | 7= | 5= | 8+ | 1=1 | ||
| 1= | 3= | 5=5 | 6 | 2= | 8= | 28x4 | 9 | 16+ |
| 6= | 40x | 12+ | 3= | 2 | 4= | 18x | ||
| 9= | 3- | 6= | 11+ | 3= | 2 |
Show solution
| 3 | 7 | 2 | 8 | 4 | 9 | 1 | 5 | 6 |
| 8 | 9 | 3 | 2 | 7 | 4 | 6 | 1 | 5 |
| 5 | 2 | 6 | 1 | 8 | 3 | 9 | 7 | 4 |
| 4 | 1 | 9 | 7 | 5 | 6 | 2 | 8 | 3 |
| 7 | 6 | 4 | 9 | 1 | 5 | 3 | 2 | 8 |
| 2 | 4 | 8 | 3 | 9 | 7 | 5 | 6 | 1 |
| 1 | 3 | 5 | 6 | 2 | 8 | 4 | 9 | 7 |
| 6 | 8 | 1 | 5 | 3 | 2 | 7 | 4 | 9 |
| 9 | 5 | 7 | 4 | 6 | 1 | 8 | 3 | 2 |
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.