Puzzle Detail
Addition Mathdoku Addition 9×9 — Set 9
| 15+ | 4= | 7= | 8+ | 6= | 12+ | |||
| 1= | 13+ | 9= | ||||||
| 9+ | 13+ | 6= | 3= | 21+ | ||||
| 13+ | 1= | 21+ | 4= | 12+ | ||||
| 15+ | 19+ | 4 | 7= | 1= | ||||
| 7=7 | 7+ | 4 | 5 | 21+ | 7+ | 10+ | ||
| 16+ | 9= | 3 | 12+ | |||||
| 5+ | 5 | 14+ | 7= | 19+ | ||||
| 6= | 15+ | 13+ | 9= | 8+ |
Show solution
| 5 | 8 | 2 | 4 | 7 | 1 | 6 | 9 | 3 |
| 2 | 1 | 8 | 3 | 4 | 7 | 5 | 6 | 9 |
| 1 | 4 | 7 | 6 | 9 | 3 | 8 | 2 | 5 |
| 9 | 5 | 6 | 1 | 8 | 2 | 3 | 4 | 7 |
| 3 | 6 | 9 | 8 | 2 | 5 | 4 | 7 | 1 |
| 7 | 3 | 4 | 5 | 6 | 9 | 1 | 8 | 2 |
| 8 | 7 | 1 | 9 | 3 | 4 | 2 | 5 | 6 |
| 4 | 9 | 3 | 2 | 5 | 6 | 7 | 1 | 8 |
| 6 | 2 | 5 | 7 | 1 | 8 | 9 | 3 | 4 |
Solver Notes
Our 9x9 addition mathdoku puzzles challenge you to fill a 9x9 grid using only addition (+) cage targets — great for arithmetic practice and logic training.
What is a 9x9 addition mathdoku?
A 9x9 addition mathdoku is a 9x9 number grid where every cage uses addition (+) as its operation. Fill 1–9 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 9x9 addition mathdoku with solution.
Who are 9x9 addition mathdoku puzzles best for?
Advanced players and adults who want to practice addition in a logic-puzzle context.