Puzzle Detail
_v1 8×8 Mathdoku 8×8 Hard — Set 10
| 5= | 2/ | 5- | |||||
| 4= | 6= | 32x | 18+ | ||||
| 17+ | 6= | 16+ | 5= | ||||
| 2= | 6= | 2/ | 3 | 5 | |||
| 48x | 7= | 300x | 3= | 8x | 32x | ||
| 17+ | 14+ | 5- | |||||
| 2- | 2- | 22+2 | |||||
| 1- | 16+ | 3= | 4= |
Show solution
| 5 | 4 | 2 | 8 | 1 | 6 | 3 | 7 |
| 4 | 7 | 6 | 1 | 2 | 8 | 5 | 3 |
| 7 | 3 | 8 | 2 | 6 | 1 | 4 | 5 |
| 2 | 6 | 4 | 3 | 5 | 7 | 1 | 8 |
| 6 | 8 | 7 | 5 | 4 | 3 | 2 | 1 |
| 3 | 5 | 1 | 6 | 8 | 2 | 7 | 4 |
| 8 | 1 | 3 | 4 | 7 | 5 | 6 | 2 |
| 1 | 2 | 5 | 7 | 3 | 4 | 8 | 6 |
Solver Notes
Browse our full collection of 8x8 mathdoku puzzles — available in easy, medium, and hard difficulties, free to play online or print as PDF.
What is a 8x8 mathdoku?
A 8x8 mathdoku is a 8x8 grid number puzzle where you place digits 1–8 so no number repeats in any row or column, and each boldly outlined cage evaluates to a given target using the specified operation.
How hard is a 8x8 mathdoku?
The 8x8 grid is challenging and suitable for advanced solvers and adults.
Can I print 8x8 mathdoku puzzles?
Yes — all our 8x8 mathdoku puzzles are print-ready. Use the Print button on any puzzle page to download a clean PDF version with the solution included.