Puzzle Detail
Classic Mathdoku Classic 8×8 Easy — Set 15
| 4=4 | 8=8 | 6= | 6+1 | 11+ | 21x7 | 7+5 | |
| 8+ | 5- | 5 | 8 | 32x4 | 1=1 | ||
| 2- | 3=3 | 6+ | 7=7 | ||||
| 8= | 7+ | 5+ | 7= | 1=1 | 2= | 18x3 | |
| 12+ | 8= | 9+ | 6= | 3= | |||
| 3= | 8= | 2= | 4x | 4 | |||
| 7= | 3=3 | 4=4 | 42x | 48x | 7+2 | ||
| 2-3 | 4- | 3/ | 4= | 7 | 1- |
Show solution
| 4 | 8 | 6 | 1 | 3 | 7 | 5 | 2 |
| 2 | 6 | 7 | 5 | 8 | 3 | 4 | 1 |
| 6 | 4 | 2 | 3 | 5 | 1 | 8 | 7 |
| 8 | 5 | 4 | 7 | 1 | 2 | 3 | 6 |
| 7 | 2 | 1 | 8 | 4 | 5 | 6 | 3 |
| 5 | 3 | 8 | 2 | 7 | 6 | 1 | 4 |
| 1 | 7 | 3 | 4 | 6 | 8 | 2 | 5 |
| 3 | 1 | 5 | 6 | 2 | 4 | 7 | 8 |
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.