Puzzle Detail
Classic Mathdoku Classic 8×8 Hard — Set 4
| 1= | 14+ | 735x5 | |||||
| 6/ | 2- | 21x | |||||
| 7+ | 1= | 3= | 12+ | 12+ | |||
| 3= | 13+ | 240x | 5=5 | 8+ | |||
| 2= | 1= | 8= | |||||
| 24+ | 22+ | ||||||
| 22+ | 8=8 | 18x | 11+ | ||||
| 70x | 8+ | 3= | 6= |
Show solution
| 1 | 6 | 4 | 2 | 8 | 7 | 5 | 3 |
| 5 | 1 | 6 | 8 | 3 | 4 | 2 | 7 |
| 2 | 5 | 1 | 3 | 7 | 6 | 8 | 4 |
| 3 | 8 | 2 | 4 | 6 | 5 | 7 | 1 |
| 6 | 4 | 7 | 5 | 2 | 3 | 1 | 8 |
| 4 | 7 | 3 | 1 | 5 | 8 | 6 | 2 |
| 7 | 3 | 8 | 6 | 1 | 2 | 4 | 5 |
| 8 | 2 | 5 | 7 | 4 | 1 | 3 | 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.