Puzzle Detail
_v1 8×8 Mathdoku 8×8 Medium — Set 1
| 7=7 | 12+ | 5= | 12x | ||||
| 1- | 6= | 5=5 | 1- | 1= | 8= | ||
| 8= | 1 | 126x | 14+ | 4= | |||
| 20x | 6 | 15+ | 15+ | ||||
| 24x | 8=8 | 3 | 2= | 70x | 4= | ||
| 2= | 4= | 42x | 8+ | 8=8 | 1= | ||
| 2 | 10x | 8= | 6= | 7= | 3= | ||
| 7= | 3= | 20x | 16x | 6=6 |
Show solution
| 3 | 7 | 8 | 4 | 5 | 1 | 6 | 2 |
| 2 | 6 | 5 | 3 | 7 | 4 | 1 | 8 |
| 8 | 1 | 7 | 2 | 6 | 3 | 4 | 5 |
| 5 | 4 | 6 | 8 | 1 | 2 | 3 | 7 |
| 1 | 8 | 3 | 6 | 2 | 7 | 5 | 4 |
| 6 | 2 | 4 | 7 | 3 | 5 | 8 | 1 |
| 4 | 5 | 2 | 1 | 8 | 6 | 7 | 3 |
| 7 | 3 | 1 | 5 | 4 | 8 | 2 | 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.