Puzzle Detail
Classic Mathdoku Classic 8×8 Medium — Set 40
| 3= | 28x | 5= | 14x | ||||
| 2=2 | 17+ | 6= | 9+ | 240x | |||
| 5= | 14+ | 18x | 3- | ||||
| 8= | 5 | 2= | 3= | 3- | 4 | 7= | |
| 1=1 | 1-5 | 9+ | 15+3 | ||||
| 7 | 56x | 120x | 6= | 3= | 1= | 2= | |
| 4= | 18x | 2= | 8=8 | 5=5 | |||
| 2/ | 392x | 5= | 7+ |
Show solution
| 3 | 1 | 4 | 8 | 5 | 2 | 7 | 6 |
| 2 | 7 | 8 | 1 | 4 | 6 | 3 | 5 |
| 5 | 2 | 7 | 3 | 1 | 4 | 6 | 8 |
| 8 | 5 | 2 | 6 | 3 | 1 | 4 | 7 |
| 1 | 4 | 6 | 5 | 2 | 7 | 8 | 3 |
| 7 | 8 | 5 | 4 | 6 | 3 | 1 | 2 |
| 4 | 6 | 3 | 2 | 7 | 8 | 5 | 1 |
| 6 | 3 | 1 | 7 | 8 | 5 | 2 | 4 |
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.