4×4 Challenge Sum Puzzle Game
Sixteen tiles, rows must sum to 34 — a step up in planning.
Activity summary
SumGrids 4x4 mode. 4×4 grid, digits 1-16, row target 34. Difficulty: hard. Swap-any-two-tiles mechanic.
Rules
Swap any two tiles. All 4 rows must sum to 34.
Who it is for
Recommended grades: 3rd grade, 4th grade, 5th 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.