Puzzle Detail
Classic Mathdoku Classic 9×9 Medium — Set 100
| 3= | 4=4 | 16+ | 7 | 10x | 14+ | |||
| 12+ | 2- | 9= | 3= | 7+1 | 8= | |||
| 168x | 9+ | 8= | 9x | |||||
| 7 | 16x | 60x | 70x | |||||
| 96x8 | 7= | 2- | 6 | 13+4 | 9= | |||
| 8=8 | 30x | 2= | 7= | 2- | ||||
| 7- | 10+9 | 5= | 72x | 19+7 | 6= | |||
| 3- | 324x | 9 | 16+ | 4= | 2= | |||
| 4+ | 3 | 2= | 19+ | 5= | 4= |
Show solution
| 3 | 4 | 9 | 7 | 5 | 2 | 1 | 8 | 6 |
| 7 | 5 | 4 | 2 | 9 | 3 | 6 | 1 | 8 |
| 4 | 6 | 1 | 5 | 8 | 9 | 3 | 2 | 7 |
| 6 | 7 | 3 | 8 | 2 | 1 | 4 | 9 | 5 |
| 8 | 2 | 7 | 1 | 3 | 6 | 5 | 4 | 9 |
| 9 | 1 | 8 | 4 | 6 | 5 | 2 | 7 | 3 |
| 2 | 9 | 5 | 3 | 4 | 7 | 8 | 6 | 1 |
| 5 | 8 | 6 | 9 | 1 | 4 | 7 | 3 | 2 |
| 1 | 3 | 2 | 6 | 7 | 8 | 9 | 5 | 4 |
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.