Puzzle Detail
Classic Mathdoku Classic 8×8 Medium — Set 82
| 4+ | 8=8 | 4- | 5= | ||||
| 6x2 | 14+3 | 15+ | 1= | ||||
| 40x | 168x | 1= | 15+ | 5=5 | 4= | ||
| 24x | 11+ | 1=1 | 3= | ||||
| 1- | 2= | 24x | 8= | 7= | |||
| 11+ | 6+ | 3 | 16+ | 20x | 6= | 2= | |
| 6= | 3 | 24x | |||||
| 8= | 8+ | 10+ | 1-5 | 6=6 |
Show solution
| 1 | 3 | 8 | 7 | 4 | 6 | 2 | 5 |
| 2 | 5 | 4 | 6 | 3 | 8 | 7 | 1 |
| 3 | 8 | 7 | 1 | 6 | 2 | 5 | 4 |
| 5 | 4 | 6 | 2 | 8 | 7 | 1 | 3 |
| 6 | 2 | 5 | 4 | 1 | 3 | 8 | 7 |
| 7 | 1 | 3 | 8 | 5 | 4 | 6 | 2 |
| 4 | 6 | 2 | 5 | 7 | 1 | 3 | 8 |
| 8 | 7 | 1 | 3 | 2 | 5 | 4 | 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.