Puzzle Detail
Addition Mathdoku Addition 7×7 — Set 3
| 3= | 1= | 6= | 15+ | 4= | ||
| 13+ | 7+ | 8+ | ||||
| 8+ | 2= | 11+ | 6= | |||
| 3= | 8+ | 1 | 6+5 | |||
| 16+ | 13+ | 11+ | ||||
| 5= | 4= | 7= | ||||
| 10+ | 14+ | 15+ | 2 |
Show solution
| 3 | 1 | 6 | 7 | 5 | 2 | 4 |
| 6 | 2 | 7 | 1 | 4 | 5 | 3 |
| 7 | 5 | 1 | 2 | 3 | 4 | 6 |
| 4 | 7 | 3 | 6 | 2 | 1 | 5 |
| 1 | 4 | 2 | 5 | 6 | 3 | 7 |
| 2 | 3 | 5 | 4 | 7 | 6 | 1 |
| 5 | 6 | 4 | 3 | 1 | 7 | 2 |
Solver Notes
Our 7x7 addition mathdoku puzzles challenge you to fill a 7x7 grid using only addition (+) cage targets — great for arithmetic practice and logic training.
What is a 7x7 addition mathdoku?
A 7x7 addition mathdoku is a 7x7 number grid where every cage uses addition (+) 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 addition mathdoku with solution.
Who are 7x7 addition mathdoku puzzles best for?
Advanced players and adults who want to practice addition in a logic-puzzle context.