Puzzle Detail
Classic Mathdoku Classic 9×9 Easy — Set 3
| 5- | 72x9 | 1- | 6 | 3= | 7= | 2=2 | ||
| 6- | 4= | 9= | 3= | 4/ | 2= | 8=8 | ||
| 7=7 | 1 | 5= | 4= | 2= | 3- | 6= | 3= | |
| 9= | 3= | 56x7 | 45x | 2= | 1= | 1-6 | ||
| 1-2 | 24x6 | 10+ | 7= | 1- | 5 | |||
| 3 | 4/ | 6- | 13+5 | 54x9 | 32x | 5+ | ||
| 8 | 6=6 | 2=2 | 7= | |||||
| 1-4 | 2= | 3= | 9x | 5-8 | 6= | 7=7 | ||
| 8= | 2- | 7= | 6= | 4=4 | 2/2 | 1 | 4-5 | 9= |
Show solution
| 1 | 9 | 8 | 5 | 6 | 4 | 3 | 7 | 2 |
| 6 | 7 | 4 | 9 | 3 | 1 | 5 | 2 | 8 |
| 7 | 1 | 5 | 4 | 2 | 9 | 8 | 6 | 3 |
| 9 | 4 | 3 | 8 | 7 | 5 | 2 | 1 | 6 |
| 2 | 6 | 9 | 1 | 8 | 7 | 4 | 3 | 5 |
| 3 | 2 | 1 | 7 | 5 | 6 | 9 | 8 | 4 |
| 5 | 8 | 6 | 2 | 9 | 3 | 7 | 4 | 1 |
| 4 | 5 | 2 | 3 | 1 | 8 | 6 | 9 | 7 |
| 8 | 3 | 7 | 6 | 4 | 2 | 1 | 5 | 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.