Puzzle Detail
Classic Mathdoku Classic 8×8 Hard — Set 32
| 1= | 7= | 3= | 20+ | 60x | 15x | ||
| 4= | 5x | ||||||
| 18+ | 2= | 13+ | 18+ | 8= | |||
| 5= | 14+ | 4= | |||||
| 29+ | 1- | 3=3 | 7= | ||||
| 7 | 30x | 24x | |||||
| 4- | 8+ | 2= | |||||
| 336x | 20x | 6=6 | 224x | 1= |
Show solution
| 1 | 7 | 3 | 4 | 8 | 6 | 2 | 5 |
| 4 | 8 | 5 | 1 | 7 | 2 | 6 | 3 |
| 6 | 4 | 7 | 2 | 1 | 3 | 5 | 8 |
| 5 | 6 | 1 | 3 | 2 | 8 | 7 | 4 |
| 2 | 1 | 8 | 6 | 4 | 5 | 3 | 7 |
| 7 | 5 | 2 | 8 | 3 | 4 | 1 | 6 |
| 8 | 3 | 6 | 7 | 5 | 1 | 4 | 2 |
| 3 | 2 | 4 | 5 | 6 | 7 | 8 | 1 |
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.