Puzzle Detail
Online Mathdoku Online 8×8 Mathdoku — Set 9
| 12+ | 1= | 2= | 11+ | 1- | |||
| 4 | 6= | 13+ | 8=8 | 12+ | |||
| 40x | 5= | 3= | 576x | 2 | |||
| 2= | 4x | 0- | 8 | ||||
| 1- | 1- | 70x | 6x | 6- | |||
| 5- | 5= | ||||||
| 3 | 7= | 5= | 4/ | 4= | 2- | ||
| 3/ | 19+ | 1= | 3= | 2= |
Show solution
| 7 | 1 | 2 | 8 | 6 | 5 | 3 | 4 |
| 1 | 4 | 6 | 5 | 8 | 2 | 7 | 3 |
| 8 | 5 | 1 | 3 | 4 | 7 | 6 | 2 |
| 5 | 2 | 4 | 7 | 3 | 1 | 8 | 6 |
| 4 | 3 | 8 | 2 | 5 | 6 | 1 | 7 |
| 2 | 6 | 3 | 1 | 7 | 4 | 5 | 8 |
| 3 | 7 | 5 | 6 | 2 | 8 | 4 | 1 |
| 6 | 8 | 7 | 4 | 1 | 3 | 2 | 5 |
Solver Notes
Play our 8x8 mathdoku online — an interactive puzzle engine lets you enter numbers, get real-time error feedback, and check the solution whenever you are ready.
Do I need to sign up to play 8x8 mathdoku online?
No — all online mathdoku puzzles on Freemathdoku.com are free to play with no account or download needed.
Are there hints for online 8x8 mathdoku?
Yes — click the Hint button to reveal a single cell when you get stuck.
Can I also print the 8x8 mathdoku?
Yes — every online puzzle has a Print button that generates a clean PDF version with solution.