Puzzle Detail
Classic Mathdoku Classic 9×9 Easy — Set 2
| 6= | 10+ | 1= | 4- | 4- | 3= | 7 | ||
| 36x | 12+ | 7 | 3=3 | 4= | 16x | 6= | 8+ | |
| 7= | 6=6 | 2= | 3= | 1= | 5= | 9= | ||
| 9+ | 9= | 5=5 | 3- | 3-4 | ||||
| 7=7 | 3= | 2= | 4=4 | 9=9 | 6=6 | 1= | 8=8 | 10x |
| 3= | 11+7 | 12+5 | 2= | 6= | 8/ | |||
| 2= | 5-4 | 1= | 6=6 | 7 | 3- | 9= | 3= | |
| 5=5 | 8= | 12+9 | 7/ | 12x | 2= | 6= | ||
| 1=1 | 6=6 | 13+8 | 2 | 11+ | 3 | 7=7 | 4= |
Show solution
| 6 | 2 | 8 | 1 | 4 | 5 | 9 | 3 | 7 |
| 9 | 5 | 7 | 3 | 8 | 4 | 2 | 6 | 1 |
| 4 | 7 | 6 | 2 | 3 | 1 | 8 | 5 | 9 |
| 8 | 1 | 9 | 5 | 6 | 3 | 7 | 4 | 2 |
| 7 | 3 | 2 | 4 | 9 | 6 | 1 | 8 | 5 |
| 3 | 9 | 4 | 7 | 5 | 2 | 6 | 1 | 8 |
| 2 | 4 | 1 | 6 | 7 | 8 | 5 | 9 | 3 |
| 5 | 8 | 3 | 9 | 1 | 7 | 4 | 2 | 6 |
| 1 | 6 | 5 | 8 | 2 | 9 | 3 | 7 | 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.