Puzzle Detail
Classic Mathdoku Classic 9×9 Easy — Set 10
| 6= | 2-3 | 16+ | 2 | 16x | 5= | 4= | 9= | |
| 3-8 | 2= | 6= | 1= | |||||
| 14x2 | 3= | 9+4 | 3- | 6=6 | 72x | 3x | ||
| 3= | 7= | 4=4 | 8= | 13+ | 1= | 3-6 | 2=2 | |
| 5= | 4=4 | 54x | 3= | 1=1 | 9+2 | |||
| 4= | 8=8 | 5- | 7= | 5+2 | 3 | 5= | ||
| 6=6 | 2= | 3=3 | 9/ | 1-4 | 2- | 8= | ||
| 1- | 9 | 1=1 | 2 | 4- | 5 | 1- | 28x7 | |
| 1= | 11+2 | 7= | 5= | 27x | 14+ |
Show solution
| 6 | 1 | 3 | 7 | 2 | 8 | 5 | 4 | 9 |
| 7 | 5 | 8 | 9 | 4 | 2 | 6 | 1 | 3 |
| 2 | 3 | 5 | 4 | 7 | 6 | 8 | 9 | 1 |
| 3 | 7 | 4 | 8 | 5 | 1 | 9 | 6 | 2 |
| 5 | 4 | 9 | 6 | 8 | 3 | 1 | 2 | 7 |
| 4 | 8 | 6 | 1 | 9 | 7 | 2 | 3 | 5 |
| 9 | 6 | 2 | 3 | 1 | 4 | 7 | 5 | 8 |
| 8 | 9 | 1 | 2 | 6 | 5 | 3 | 7 | 4 |
| 1 | 2 | 7 | 5 | 3 | 9 | 4 | 8 | 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.