Puzzle Detail
_v1 8×8 Mathdoku 8×8 Medium — Set 8
| 6= | 3= | 5= | 1 | 19+ | |||
| 3-4 | 8+ | 1- | 8= | 11+ | 2= | ||
| 35x | 8+2 | 3 | 4= | ||||
| 42x | 240x | 3= | |||||
| 3= | 7- | 2= | 8= | 7= | 6 | ||
| 8= | 16+ | 20x | 17+ | 30x | |||
| 2 | 12+ | 7 | 6+ | ||||
| 80x | 3-4 | 6= | 11+ | 7 |
Show solution
| 6 | 3 | 5 | 1 | 2 | 4 | 7 | 8 |
| 4 | 7 | 3 | 5 | 1 | 8 | 6 | 2 |
| 7 | 5 | 1 | 2 | 8 | 6 | 3 | 4 |
| 1 | 8 | 4 | 6 | 7 | 5 | 2 | 3 |
| 3 | 1 | 2 | 8 | 4 | 7 | 5 | 6 |
| 8 | 6 | 7 | 3 | 5 | 2 | 4 | 1 |
| 2 | 4 | 6 | 7 | 3 | 1 | 8 | 5 |
| 5 | 2 | 8 | 4 | 6 | 3 | 1 | 7 |
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.