Pre-K 3×3 Classic Sum Puzzle
Pre-K 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 Pre-K 3×3 Classic page. Game type: tile-swap row-sum puzzle. Grid: 3×3. Target row sum: 15. Numbers used: 1–9. Recommended for Pre-K. Skill: addition, planning, number sense. Free, browser-based, no login.
Why 3×3 Classic fits Pre-K
The classic magic-square puzzle — every row must sum to 15. Pre-K students practice single-digit addition with sums up to 10. Visual grid format.
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
Pre-K 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 Pre-K?
This mode is listed among recommended grids for Pre-K on SumGrids.