Puzzle Detail
Classic Mathdoku Classic 9×9 Medium — Set 10
| 16+ | 40x | 1=1 | 108x | 8= | 6= | |||
| 1= | 7=7 | 5=5 | 9 | 15+ | 112x | |||
| 9= | 18x | |||||||
| 16+ | 3= | 56x | 2/ | |||||
| 23+ | 7 | 1=1 | 2= | 14+ | 5- | 9+ | ||
| 4= | 1=1 | 20+9 | 30x | 2- | ||||
| 7= | 6= | 8= | 8/1 | 3= | ||||
| 13+ | 6+ | 210x | 27x | |||||
| 5= | 18+ | 6 | 7 | 9= | 13+ | 2=2 |
Show solution
| 3 | 7 | 5 | 1 | 9 | 4 | 2 | 8 | 6 |
| 1 | 6 | 8 | 7 | 5 | 3 | 9 | 4 | 2 |
| 2 | 5 | 1 | 9 | 3 | 6 | 4 | 7 | 8 |
| 6 | 9 | 3 | 2 | 4 | 7 | 8 | 1 | 5 |
| 9 | 8 | 7 | 5 | 1 | 2 | 3 | 6 | 4 |
| 4 | 1 | 9 | 3 | 2 | 8 | 6 | 5 | 7 |
| 7 | 2 | 4 | 6 | 8 | 1 | 5 | 3 | 9 |
| 8 | 3 | 2 | 4 | 6 | 5 | 7 | 9 | 1 |
| 5 | 4 | 6 | 8 | 7 | 9 | 1 | 2 | 3 |
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.