5×5 Expert Sum Puzzle Game
Twenty-five tiles with row target 65 — for advanced puzzle solvers.
Activity summary
SumGrids 5x5 mode. 5×5 grid, digits 1-25, row target 65. Difficulty: expert. Swap-any-two-tiles mechanic.
Rules
Swap any two tiles. All 5 rows must sum to 65.
Who it is for
Recommended grades: 5th grade, 6th grade.
Play free
Embedded game above — track wins in your browser.
FAQ
Is SumGrids free?
Yes, completely free in the browser.
Do rows or columns count?
Rows must hit the target sum.
Mobile friendly?
Yes — touch to swap tiles or type answers.