Puzzle Detail
Online Mathdoku Online 9×9 Mathdoku — Set 9
| 180x | 6= | 8/ | 2/ | 4 | 7= | |||
| 1= | 5= | 4/ | 3= | 11- | ||||
| 7+ | 7x7 | 8 | 2= | 324x | 5= | |||
| 14+3 | 6= | 6- | 4/ | |||||
| 4= | 1080x | 7= | 1= | 3= | ||||
| 1- | 4- | 8= | 7= | 3= | 2= | |||
| 7/ | 5= | 2= | 1- | |||||
| 4- | 8 | 288x | ||||||
| 11+ | 1008x | 20x5 |
Show solution
| 5 | 9 | 6 | 3 | 1 | 8 | 2 | 4 | 7 |
| 1 | 4 | 5 | 2 | 3 | 9 | 8 | 7 | 6 |
| 3 | 7 | 1 | 8 | 2 | 4 | 9 | 6 | 5 |
| 4 | 3 | 9 | 6 | 7 | 1 | 5 | 2 | 8 |
| 8 | 5 | 2 | 4 | 9 | 6 | 7 | 1 | 3 |
| 9 | 1 | 8 | 7 | 4 | 5 | 6 | 3 | 2 |
| 6 | 8 | 7 | 1 | 5 | 2 | 3 | 9 | 4 |
| 7 | 2 | 4 | 5 | 6 | 3 | 1 | 8 | 9 |
| 2 | 6 | 3 | 9 | 8 | 7 | 4 | 5 | 1 |
Solver Notes
Play our 9x9 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 9x9 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 9x9 mathdoku?
Yes — click the Hint button to reveal a single cell when you get stuck.
Can I also print the 9x9 mathdoku?
Yes — every online puzzle has a Print button that generates a clean PDF version with solution.