Puzzle Detail
Subtraction Mathdoku Subtraction 7×7 — Set 8
| 1- | 1- | 1= | 7= | 6=6 | ||
| 6= | 4- | 2= | 4= | |||
| 1= | 2- | 3-6 | 2- | 3= | 2- | |
| 3- | 2- | 2= | ||||
| 3- | 7= | 2- | 1- | 1= | ||
| 7= | 6= | 4= | 3= | 1= | 1- | |
| 5= | 3- | 6- | 6= | 4=4 |
Show solution
| 2 | 3 | 4 | 5 | 1 | 7 | 6 |
| 6 | 1 | 5 | 3 | 7 | 2 | 4 |
| 1 | 4 | 2 | 6 | 5 | 3 | 7 |
| 4 | 7 | 3 | 1 | 2 | 6 | 5 |
| 3 | 6 | 7 | 2 | 4 | 5 | 1 |
| 7 | 5 | 6 | 4 | 3 | 1 | 2 |
| 5 | 2 | 1 | 7 | 6 | 4 | 3 |
Solver Notes
Our 7x7 subtraction mathdoku puzzles challenge you to fill a 7x7 grid using only subtraction (−) cage targets — great for arithmetic practice and logic training.
What is a 7x7 subtraction mathdoku?
A 7x7 subtraction mathdoku is a 7x7 number grid where every cage uses subtraction (−) as its operation. Fill 1–7 in each row and column with no repeats while satisfying all cage targets.
Can I print this puzzle?
Yes — use the Print button on any puzzle page to get a clean PDF of the 7x7 subtraction mathdoku with solution.
Who are 7x7 subtraction mathdoku puzzles best for?
Advanced players and adults who want to practice subtraction in a logic-puzzle context.