Puzzle Detail
Classic Mathdoku Classic 8×8 Medium — Set 4
| 2= | 4= | 4- | 18+ | 6 | 6+ | ||
| 3= | 8x | 4 | 60x | 8+ | |||
| 7= | 16+ | 9+ | 4 | ||||
| 3= | 8= | 13+2 | |||||
| 11+ | 21+ | 60x | 4= | 12+ | 6x | 8=8 | |
| 5= | 4/ | 3 | 4=4 | ||||
| 7+ | 7= | 2/1 | 6= | 5- | |||
| 8= | 4x | 3= | 7=7 | 14+ |
Show solution
| 2 | 4 | 3 | 7 | 8 | 6 | 1 | 5 |
| 3 | 5 | 1 | 8 | 4 | 2 | 6 | 7 |
| 7 | 3 | 8 | 6 | 2 | 5 | 4 | 1 |
| 4 | 6 | 5 | 3 | 1 | 8 | 7 | 2 |
| 1 | 7 | 6 | 4 | 5 | 3 | 2 | 8 |
| 6 | 8 | 2 | 5 | 7 | 1 | 3 | 4 |
| 5 | 2 | 7 | 1 | 6 | 4 | 8 | 3 |
| 8 | 1 | 4 | 2 | 3 | 7 | 5 | 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.