Puzzle Detail
Classic Mathdoku Classic 9×9 Easy — Set 85
| 4= | 21x3 | 2= | 1= | 2- | 1- | 6= | ||
| 6= | 1- | 3= | 1= | 1- | 5= | 6- | ||
| 9=9 | 4=4 | 12x | 6 | 7= | 6x | 3= | ||
| 56x | 15x | 1-9 | 4/4 | 6 | 2= | 1= | ||
| 6= | 5- | 2= | 1 | 3=3 | 7 | 2-5 | ||
| 2= | 1= | 6= | 7 | 2- | 14+ | 9 | 4= | |
| 1= | 63x7 | 35x5 | 11+ | 2-2 | 3=3 | |||
| 3=3 | 8= | 1= | 9= | 6x2 | 24x6 | 7= | ||
| 5= | 2= | 48x6 | 9+ | 3 | 7= | 1 | 8-9 |
Show solution
| 4 | 3 | 2 | 1 | 7 | 5 | 9 | 8 | 6 |
| 6 | 7 | 4 | 3 | 1 | 9 | 8 | 5 | 2 |
| 9 | 4 | 5 | 2 | 6 | 7 | 1 | 3 | 8 |
| 7 | 5 | 3 | 8 | 9 | 4 | 6 | 2 | 1 |
| 8 | 6 | 9 | 4 | 2 | 1 | 3 | 7 | 5 |
| 2 | 1 | 6 | 7 | 3 | 8 | 5 | 9 | 4 |
| 1 | 9 | 7 | 5 | 8 | 6 | 2 | 4 | 3 |
| 3 | 8 | 1 | 9 | 5 | 2 | 4 | 6 | 7 |
| 5 | 2 | 8 | 6 | 4 | 3 | 7 | 1 | 9 |
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.