Puzzle Detail
Online Mathdoku Online 9×9 Mathdoku — Set 2
| 12x | 9 | 168x | 5= | 3- | 8= | |||
| 405x | 8= | 4= | ||||||
| 16+ | 15+ | 9/ | 1= | 11+4 | ||||
| 8 | 16+ | |||||||
| 0- | 8+ | 720x | 126x | 15x | ||||
| 6- | 9= | 5 | 1 | |||||
| 3- | 288x | 280x | 1= | |||||
| 3= | 5= | 6 | 8= | |||||
| 140x | 8= | 21x | 9/ | 2= | 4= | 1- |
Show solution
| 1 | 9 | 3 | 4 | 7 | 2 | 5 | 6 | 8 |
| 6 | 5 | 9 | 8 | 2 | 1 | 4 | 3 | 7 |
| 2 | 3 | 6 | 5 | 8 | 7 | 9 | 1 | 4 |
| 8 | 1 | 2 | 3 | 5 | 4 | 6 | 7 | 9 |
| 7 | 6 | 1 | 9 | 4 | 8 | 3 | 2 | 5 |
| 4 | 2 | 7 | 6 | 9 | 5 | 1 | 8 | 3 |
| 9 | 8 | 4 | 2 | 6 | 3 | 7 | 5 | 1 |
| 3 | 4 | 5 | 7 | 1 | 6 | 8 | 9 | 2 |
| 5 | 7 | 8 | 1 | 3 | 9 | 2 | 4 | 6 |
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.