Tetrominoes
Tetrominoes can be a fun math game. Kids who love playing dominoes usually will also love playing tetrominoes Math Games. Below is an explanation of what a tetromino is and some facts about tetrominoes.
What is a tetromino?
A tetromino is any tile composed of four connected cells from a square lattice.

How is a tetromino different from a domino?
A domino is a tile with two cells. Tetrominoes are tiles with 4 parts.
How many tetrominoes are there?
There are 19 tetrominoes. Each tetromino is a reflection or rotation of one of the five configurations. These five configurations of tetrominoes are called”
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Tetromino type I,
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Tetromino type 2,
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Tetromino type 3,
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Tetromino type 4, and
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Tetromino type 5. Tetromino type V are called skew tetrominoes.