Puzzle Detail
Classic Mathdoku Classic 8×8 Hard — Set 17
| 80x | 12x | 7= | 15+ | ||||
| 7= | 1= | 19+ | |||||
| 6 | 1- | 8/ | 5= | ||||
| 6- | 7+ | 3/ | 16+ | ||||
| 30x | 17+ | 26+ | 1= | ||||
| 140x | 8/ | ||||||
| 6= | 1= | 21x7 | 60x | 24x | |||
| 192x | 8= | 5= | 2 | 7x |
Show solution
| 8 | 1 | 3 | 4 | 7 | 5 | 2 | 6 |
| 2 | 5 | 7 | 1 | 8 | 6 | 4 | 3 |
| 7 | 4 | 6 | 2 | 3 | 1 | 8 | 5 |
| 1 | 3 | 2 | 6 | 4 | 7 | 5 | 8 |
| 3 | 2 | 5 | 8 | 6 | 4 | 7 | 1 |
| 5 | 7 | 4 | 3 | 1 | 8 | 6 | 2 |
| 6 | 8 | 1 | 7 | 5 | 2 | 3 | 4 |
| 4 | 6 | 8 | 5 | 2 | 3 | 1 | 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.