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Build Polyominoes

Copy the highlighted polyomino by filling a 10×10 grid one square at a time.

  • Logic
  • Medium
  • 6 min
  • 8-12

Build Polyominoes

Recreate each polyomino on the 10×10 board by filling in matching squares.

Round
0/10
Blocks
—

Select a block count or start the game to begin.

Target

Your Board

How to Play

About the game: Build Polyominoes is a spatial reasoning lab for grades 3-6. Players analyze how shapes can be composed from connected unit squares, a skill that supports area, perimeter, and Pentomino puzzles.

How it works: Pick a block count or let the challenge auto-scale. A highlighted preview appears on the left while your blank grid waits on the right. Click squares to toggle them on/off until your build matches the target, then advance to the next round to tackle a new arrangement.

Skills & next steps: Students practice transformation (rotations, reflections), counting composite shapes, and working systematically. Encourage them to describe the path they used or to time how long each solution takes. After a session, jump into Explore Multiplication Grid to connect area models or into Draw Turtle Shapes to trace the outline they just built.