Puzzle Detail
Classic Mathdoku Classic 8×8 Easy — Set 79
| 2=2 | 1= | 15x | 6= | 8=8 | 7= | ||
| 1=1 | 4- | 12+8 | 35x7 | 1- | 12x | ||
| 4= | 3= | 7=7 | 6= | 1 | 5x | ||
| 7=7 | 18x | 2= | 2/ | 5=5 | 1 | 3x | |
| 8= | 3 | 5= | 6/6 | 2=2 | 8+ | ||
| 12+ | 6= | 4= | 7+ | 16x | |||
| 15x | 7= | 2=2 | 9+ | 2-6 | 4= | ||
| 3/6 | 2 | 8/1 | 4- | 4 | 5= |
Show solution
| 2 | 1 | 4 | 3 | 5 | 6 | 8 | 7 |
| 1 | 4 | 8 | 5 | 7 | 2 | 3 | 6 |
| 4 | 8 | 3 | 7 | 6 | 1 | 5 | 2 |
| 7 | 6 | 2 | 4 | 8 | 5 | 1 | 3 |
| 8 | 3 | 5 | 6 | 2 | 4 | 7 | 1 |
| 5 | 7 | 6 | 1 | 4 | 3 | 2 | 8 |
| 3 | 5 | 7 | 2 | 1 | 8 | 6 | 4 |
| 6 | 2 | 1 | 8 | 3 | 7 | 4 | 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.