Puzzle Detail
Classic Mathdoku Classic 9×9 Medium — Set 13
| 1- | 6- | 2= | 8= | 1= | 5=5 | |||
| 2/ | 9= | 4= | 54x6 | 5= | 2- | 3 | 3- | |
| 5= | 6- | 2= | 4- | 3= | ||||
| 2/4 | 5- | 405x | 3= | 5= | 48x8 | |||
| 280x | 3= | 1-1 | 7= | 6+ | ||||
| 8= | 16+ | 7x | ||||||
| 27x | 12x | 5- | 5= | 24x | 4=4 | 80x | 9=9 | |
| 7= | 3=3 | |||||||
| 1=1 | 5= | 11+ | 4= | 8=8 | 1-7 | 2= | 3- |
Show solution
| 6 | 7 | 9 | 3 | 2 | 8 | 1 | 5 | 4 |
| 2 | 9 | 4 | 6 | 7 | 5 | 8 | 3 | 1 |
| 4 | 8 | 5 | 9 | 1 | 2 | 6 | 7 | 3 |
| 7 | 4 | 1 | 2 | 9 | 3 | 5 | 6 | 8 |
| 8 | 3 | 6 | 1 | 5 | 9 | 7 | 4 | 2 |
| 5 | 6 | 2 | 8 | 3 | 4 | 9 | 1 | 7 |
| 3 | 2 | 7 | 5 | 6 | 1 | 4 | 8 | 9 |
| 9 | 1 | 8 | 7 | 4 | 6 | 3 | 2 | 5 |
| 1 | 5 | 3 | 4 | 8 | 7 | 2 | 9 | 6 |
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.