Middle School Math Games
Free middle school math games online: swap tiles until every row sums to 15. Even middle-school students enjoy the sum-to-15 challenge. Play the SumGrids puzzle above — no download.
Activity summary
Middle School Math Games. Free middle school math games: swap tiles until each row totals 15. Even middle-school students enjoy the sum-to-15 challenge. Play online instantly. SumGrids: free browser math game — 3×3 tile-swap puzzle (rows sum to 15) plus grade-level arithmetic worksheets.
How this puzzle builds math skills
Middle School students build addition fluency by balancing rows to 15. Row totals update live so learners see whether a swap helped.
Play free on this page
The game above loads instantly — no download or sign-up. After each win, start a new scrambled board. Wins and puzzles played are tracked in your browser.
Great for short practice sessions
Most puzzles take a few minutes. Use SumGrids as a warm-up before homework, a classroom station, or a quick brain break at home.
FAQ
Is SumGrids free?
Yes. Play free in your browser with no account required.
What is the goal?
Make all three rows sum to exactly 15 by swapping tiles.
Does progress save?
Wins and puzzles played save locally in your browser on this device.