Puzzle Detail
Classic Mathdoku Classic 9×9 Medium — Set 84
| 1 | 1- | 2 | 3 | 120x | 5 | |||
| 9+ | 4= | 63x | 30x | 3= | 2 | |||
| 80x | 45x | 1= | 7= | 9= | 12+ | |||
| 2= | 6=6 | 3 | 192x | 8/ | ||||
| 2-9 | 2= | 40x | 5 | 42x | 5- | |||
| 8= | 4- | 2= | 16+ | 35x | 18x | |||
| 14+ | 7= | 1= | 2= | 15x | 72x | |||
| 2-6 | 1= | 28x | 8= | 2=2 | ||||
| 3= | 4= | 6= | 1= | 9=9 | 8= | 2= | 7= |
Show solution
| 7 | 1 | 8 | 9 | 2 | 3 | 6 | 4 | 5 |
| 1 | 4 | 9 | 7 | 8 | 5 | 3 | 6 | 2 |
| 2 | 8 | 3 | 5 | 6 | 1 | 7 | 9 | 4 |
| 5 | 2 | 6 | 3 | 4 | 7 | 9 | 8 | 1 |
| 9 | 7 | 2 | 8 | 5 | 6 | 4 | 1 | 3 |
| 8 | 9 | 5 | 2 | 3 | 4 | 1 | 7 | 6 |
| 4 | 6 | 7 | 1 | 9 | 2 | 5 | 3 | 8 |
| 6 | 3 | 1 | 4 | 7 | 8 | 2 | 5 | 9 |
| 3 | 5 | 4 | 6 | 1 | 9 | 8 | 2 | 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.