Puzzle Detail
Classic Mathdoku Classic 8×8 Medium — Set 87
| 6= | 8/ | 4-3 | 40x | 4 | |||
| 120x | 4= | 5- | 4+ | 8= | |||
| 8= | 6x | 5= | 7= | 1 | |||
| 10+ | 280x | 4= | 6= | 5- | 3/ | ||
| 5= | 144x6 | 3 | 8 | 2= | |||
| 3- | 3= | 11+ | 1 | ||||
| 2- | 13+ | 1- | 17+ | 210x | |||
| 1- | 6= | 8=8 | 9+ | 4= | 7 |
Show solution
| 6 | 8 | 1 | 7 | 3 | 2 | 5 | 4 |
| 5 | 6 | 4 | 2 | 7 | 1 | 3 | 8 |
| 8 | 4 | 2 | 3 | 5 | 7 | 6 | 1 |
| 2 | 7 | 5 | 8 | 4 | 6 | 1 | 3 |
| 4 | 1 | 7 | 5 | 6 | 3 | 8 | 2 |
| 7 | 3 | 6 | 4 | 1 | 8 | 2 | 5 |
| 3 | 5 | 8 | 1 | 2 | 4 | 7 | 6 |
| 1 | 2 | 3 | 6 | 8 | 5 | 4 | 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.