Puzzle Detail
Classic Mathdoku Classic 8×8 Hard — Set 33
| 11+ | 10+4 | 80x | 7= | 2= | |||
| 3= | 1= | 672x | 13+ | ||||
| 1- | 2- | 2= | 7= | ||||
| 2 | 4= | 3- | 6= | 16+ | |||
| 7= | 11+ | 630x | 4= | 1= | 48x | ||
| 16+ | 3= | 12+ | |||||
| 40x | 96x | ||||||
| 8= | 8+ | 1= | 7=7 | 5= |
Show solution
| 6 | 5 | 3 | 4 | 8 | 7 | 2 | 1 |
| 3 | 1 | 7 | 6 | 2 | 5 | 4 | 8 |
| 1 | 4 | 8 | 5 | 3 | 2 | 7 | 6 |
| 2 | 3 | 4 | 8 | 5 | 6 | 1 | 7 |
| 7 | 8 | 5 | 3 | 4 | 1 | 6 | 2 |
| 4 | 7 | 6 | 2 | 1 | 3 | 8 | 5 |
| 5 | 2 | 1 | 7 | 6 | 8 | 3 | 4 |
| 8 | 6 | 2 | 1 | 7 | 4 | 5 | 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.