Puzzle Detail
Classic Mathdoku Classic 9×9 Easy — Set 5
| 45x5 | 2/ | 7= | 6-3 | 6/ | 2= | |||
| 3= | 1= | 5=5 | 1-7 | 4=4 | 2= | 7-8 | ||
| 6= | 2=2 | 9= | 11+5 | 4x4 | 3= | 8= | ||
| 21x3 | 13+ | 4= | 6 | 2= | 27x9 | 13+ | ||
| 48x | 28x7 | 2=2 | 1= | 5= | 9= | |||
| 6 | 1= | 4=4 | 2= | 15+ | 7 | 8+5 | ||
| 2= | 9= | 3- | 4+ | 5/ | 4=4 | |||
| 4= | 2=2 | 4- | 6= | 24x | 1- | 1 | 5= | 9 |
| 1= | 5= | 8 | 16x | 9= | 7= | 6= | 36x4 |
Show solution
| 5 | 4 | 8 | 7 | 9 | 3 | 6 | 1 | 2 |
| 9 | 3 | 1 | 5 | 7 | 6 | 4 | 2 | 8 |
| 7 | 6 | 2 | 9 | 5 | 4 | 3 | 8 | 1 |
| 3 | 8 | 5 | 4 | 6 | 1 | 2 | 9 | 7 |
| 8 | 7 | 4 | 2 | 1 | 5 | 9 | 3 | 6 |
| 6 | 1 | 9 | 3 | 4 | 2 | 8 | 7 | 5 |
| 2 | 9 | 6 | 1 | 8 | 7 | 5 | 4 | 3 |
| 4 | 2 | 7 | 6 | 3 | 8 | 1 | 5 | 9 |
| 1 | 5 | 3 | 8 | 2 | 9 | 7 | 6 | 4 |
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.