Number of tetromino are .

A tetromino is a shape obtained by combining how many squares together?

Complete the given rectangle using the given tetromino shapes.

Match the tetrominoes of same type.

(i)
(ii)
(iii)
(iv)

Complete the table

Complete the rectangle given below using the five tetrominoes only once.

Count the number of dots in domino and subtract them.

Using the given tetrominoes with numbers, complete the $4\times 4$ magic square.

Shade the figure completely, by using five Tetromino shapes only once.

Make a model of a fish using the given tetromino shapes.

Complete the rectangle given below using the five tetrominoes only once.

Complete the table

Complete the table

Using the given Tetromino shaded in two different ways

Fill grid in such a way that, no two adjacent boxes have the same colour.

In Fig 6.16 one $4\times 4$ square is filled by a tetromino shape . 
In the same way try to fill the other $4\times 4$ square grids (Fig.6.17 to Fig.6.20) using the other four tetrominoes  ( and ). 

 Find which tetromino shape cannot fill the $4\times 4$ square grid completely.

  Fig 6.16                 Fig 6.17             Fig 6.18              Flg 6.19                Fig 6.20

Shade the figure completely, by using five Tetromino shapes only once.

A tetromino is a shape obtained by _____ squares together.

Using the given tetrominoes with numbers on it, complete the $4\times 4$ magic square?