Puzzle Detail
Classic Mathdoku Classic 8×8 Medium — Set 50
| 6 | 11+ | 7x1 | 8x | ||||
| 7+ | 12+ | 18+ | 140x | 2= | |||
| 6= | 8= | 2= | 5= | 3= | |||
| 9+ | 7 | 1= | 6 | 180x | 1- | ||
| 7- | 3=3 | 5+ | 6 | 56x | 60x | ||
| 5= | 3= | 16+7 | 4= | ||||
| 9+ | 5= | 8x | 1 | 3= | 96x | ||
| 6+ | 8=8 | 3= | 6= | 11+ |
Show solution
| 4 | 6 | 2 | 3 | 7 | 5 | 1 | 8 |
| 3 | 8 | 6 | 5 | 4 | 2 | 7 | 1 |
| 6 | 4 | 7 | 8 | 2 | 1 | 5 | 3 |
| 2 | 7 | 1 | 6 | 5 | 8 | 3 | 4 |
| 8 | 3 | 4 | 1 | 6 | 7 | 2 | 5 |
| 1 | 5 | 3 | 7 | 8 | 4 | 6 | 2 |
| 7 | 2 | 5 | 4 | 1 | 3 | 8 | 6 |
| 5 | 1 | 8 | 2 | 3 | 6 | 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.