Puzzle Detail
Classic Mathdoku Classic 9×9 Easy — Set 26
| 3/6 | 5=5 | 16+ | 8x8 | 1 | 15x | 2/ | ||
| 2 | 9=9 | 4= | 42x | 5+ | 7-1 | |||
| 3=3 | 5 | 13+ | 24x | 10+1 | 3- | |||
| 8+ | 4 | 8= | 5=5 | 9= | 7= | 3 | ||
| 8=8 | 5+1 | 3= | 2-4 | 9= | 6= | 2 | 2-5 | |
| 9= | 6= | 2= | 5=5 | 3/3 | 8= | 5- | 5+ | |
| 2-5 | 7 | 3= | 4= | 8= | 2= | |||
| 2/ | 2 | 6/ | 9= | 5= | 7= | 6= | 72x | |
| 5-8 | 7= | 1- | 9= | 4= | 3- | 5= |
Show solution
| 6 | 5 | 9 | 7 | 8 | 1 | 3 | 4 | 2 |
| 2 | 9 | 4 | 6 | 7 | 3 | 5 | 8 | 1 |
| 7 | 3 | 5 | 8 | 4 | 2 | 1 | 9 | 6 |
| 1 | 4 | 8 | 2 | 6 | 5 | 9 | 7 | 3 |
| 8 | 1 | 3 | 4 | 9 | 6 | 2 | 5 | 7 |
| 9 | 6 | 2 | 5 | 3 | 8 | 7 | 1 | 4 |
| 5 | 7 | 6 | 3 | 1 | 4 | 8 | 2 | 9 |
| 4 | 2 | 1 | 9 | 5 | 7 | 6 | 3 | 8 |
| 3 | 8 | 7 | 1 | 2 | 9 | 4 | 6 | 5 |
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.