Puzzle Detail
Classic Mathdoku Classic 8×8 Hard — Set 6
| 24+ | 5= | 3- | |||||
| 224x | 2= | 2- | 3= | 7= | |||
| 2 | 48x | 6= | |||||
| 120x | 11+ | 240x | 8= | ||||
| 10x | 1= | 1- | |||||
| 3= | 24+ | 256x | |||||
| 3=3 | 5 | 2= | |||||
| 16+ | 5= | 16+ | 7x | 18+ | 7= |
Show solution
| 1 | 4 | 8 | 3 | 6 | 7 | 5 | 2 |
| 8 | 1 | 2 | 6 | 4 | 3 | 7 | 5 |
| 7 | 5 | 3 | 8 | 2 | 1 | 4 | 6 |
| 4 | 6 | 1 | 7 | 3 | 5 | 2 | 8 |
| 5 | 2 | 7 | 1 | 8 | 4 | 6 | 3 |
| 3 | 7 | 6 | 2 | 5 | 8 | 1 | 4 |
| 6 | 3 | 4 | 5 | 7 | 2 | 8 | 1 |
| 2 | 8 | 5 | 4 | 1 | 6 | 3 | 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.