Kindergarten 3×3 Classic Sum Puzzle
Kindergarten students can play the 3×3 Classic SumGrids puzzle on this page — swap tiles until each row totals 15. No download required.
Activity summary
SumGrids Kindergarten 3×3 Classic page. Game type: tile-swap row-sum puzzle. Grid: 3×3. Target row sum: 15. Numbers used: 1–9. Recommended for Kindergarten. Skill: addition, planning, number sense. Free, browser-based, no login.
Why 3×3 Classic fits Kindergarten
The classic magic-square puzzle — every row must sum to 15. Kindergarten addition within 10 aligns with common core K.OA.A standards.
How to play
Tap two tiles to swap them. Row totals appear beside the grid. When every row equals 15, you win and can start a new puzzle.
Also try grade practice
Kindergarten students can drill addition on our worksheet-style grids — fill in answers like "3 + 4 = ___".
FAQ
Is this 3×3 Classic puzzle free?
Yes. Play free in your browser with wins tracked locally.
What is the row target?
Every row must sum to 15.
Is it right for Kindergarten?
This mode is listed among recommended grids for Kindergarten on SumGrids.