Puzzle Detail
Classic Mathdoku Classic 9×9 Easy — Set 7
| 8x | 4= | 5+3 | 9= | 5= | 6= | 7= | 2= | |
| 3= | 1- | 4= | 9= | |||||
| 7=7 | 45x | 4/ | 4= | 5- | 8+1 | 3= | 8= | |
| 9=9 | 4+ | 2- | 4 | 2= | 13+5 | 7=7 | ||
| 14x7 | 12+5 | 3= | 8x4 | 9=9 | 5+ | |||
| 2- | 9+3 | 72x9 | 5 | 5/1 | ||||
| 2= | 5x1 | 5 | 9= | 7 | 3= | 4= | 14+8 | |
| 9+ | 7= | 1= | 9+2 | 8= | 9= | 9+ | ||
| 2- | 9= | 8x8 | 1 | 4-7 | 3-5 |
Show solution
| 1 | 8 | 4 | 3 | 9 | 5 | 6 | 7 | 2 |
| 3 | 5 | 8 | 2 | 6 | 1 | 7 | 4 | 9 |
| 7 | 9 | 2 | 4 | 5 | 6 | 1 | 3 | 8 |
| 9 | 3 | 1 | 6 | 4 | 2 | 8 | 5 | 7 |
| 8 | 7 | 6 | 5 | 3 | 4 | 2 | 9 | 1 |
| 6 | 2 | 3 | 7 | 8 | 9 | 5 | 1 | 4 |
| 2 | 1 | 5 | 9 | 7 | 3 | 4 | 8 | 6 |
| 5 | 4 | 7 | 1 | 2 | 8 | 9 | 6 | 3 |
| 4 | 6 | 9 | 8 | 1 | 7 | 3 | 2 | 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.