Using this virtual manipulative you may:
Add a pentomino to the workspace
Click on the button of the shape you want. You can move a pentomino by clicking and dragging it to a new location. When you place a pentomino next to another one, their edges will snap together.
Click on the corner of the pentomino. Hold down the mouse button and move the mouse in a circular motion to rotate the pentomino. Then release the mouse button.
Click to select a pentomino or group and then click on the desired color in the color toolbar.
Remove a pentomino
You can click and drag a pentomino into the trash can or when a pentomino is selected you can just press the Delete key on your keyboard.
Click above and to the left of the pentominoes you want to group. Hold down the mouse button and drag to display a box surrounding the pentominoes you want to group together. Release the mouse button. A group is created containing the pentominoes you included in your box. You can move the group in the same ways as you move a single pentomino.
Clone a group of pentominoes
Click to select the pentomino or group you want to copy or clone. Then click the Clone button to add a copy to the workspace.
Click to select the pentomino or group to flip and click the Flip button.
Clear the workspace
Click the Clear button.
Click the Zoom In or Zoom Out button.