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Student Interactive Activities Return to Amy's Electronic Classroom Algebra 3-4 Algebra 5-6 Algebra 6-8 Geometry 3-4 Geometry 5-6 Geometry 6-8 Number 3-4 Number 5-6 Number 6-8

Problem Solving with Pentominoes

The Task:
Pentominoes are the names of shapes created by 5 congruent squares connected together. The object of the puzzle is to place all 12 pentominoes inside the square with 4 boxes of your choice remaining empty. (This puzzle requires a Java-enabled browser.)

Procedure:

Read the instructions before clicking "Start."

  1. To begin solving the puzzle, click the "begin" button.
  2. Choose 4 squares, anywhere on the grid, to remain empty. Click on them, and they will turn black.
  3. Drag over the pentominoes, one at a time, and place them on the puzzle board. Rotate and flip the pieces, if needed.
  4. Fill all the remaining squares. If you change your mind, drag the pieces out of the puzzle area.

If you can fill all the spaces and use all the pentominoes, you are a Champion Pentominoes Puzzle Solver!


To rotate a pentomino:

PC - Right click and hold your mouse on it.

Mac - Click the mouse, while holding down the command key.

To reflect - double click.

 

Algebra 3-4 | Algebra 5-6 | Algebra 6-8
Geometry 3-4 | Geometry 5-6 | Geometry 6-8
Number Concepts 3-4
| Number Concepts 5-6 | Number Concepts 6-8

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