Puzzle Detail
Classic Mathdoku Classic 8×8 Easy — Set 9
| 3= | 5= | 8= | 1= | 4= | 2= | 13+ | |
| 2-5 | 7 | 6= | 1=1 | 2= | 8= | ||
| 4x | 1- | 3- | 7=7 | 13+ | 4=4 | ||
| 5- | 7+ | 4= | 5=5 | 1= | 1- | 3= | |
| 2= | 2/ | 3=3 | 20x5 | 6= | |||
| 5 | 13+ | 5+2 | 4 | ||||
| 8=8 | 7= | 6- | 5=5 | 24x | 3 | 1-2 | |
| 6 | 2-4 | 3=3 | 48x | 5- | 2- | 5=5 |
Show solution
| 3 | 5 | 8 | 1 | 4 | 2 | 6 | 7 |
| 4 | 3 | 5 | 7 | 6 | 1 | 2 | 8 |
| 1 | 2 | 6 | 3 | 7 | 5 | 8 | 4 |
| 2 | 6 | 4 | 5 | 1 | 8 | 7 | 3 |
| 7 | 1 | 2 | 4 | 8 | 3 | 5 | 6 |
| 5 | 8 | 7 | 2 | 3 | 6 | 4 | 1 |
| 8 | 7 | 1 | 6 | 5 | 4 | 3 | 2 |
| 6 | 4 | 3 | 8 | 2 | 7 | 1 | 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.