He āhua ahu-2 ka hangaia ki ētahi tapawhā rite. He ōrite te rahi o ngā tapawhā rite, ā, e hono ana ngā tapa. Mēnā e rua ngā tapawhā rite hei hanga i te āhua, ka tapaina ko te tapawhā rite-rua. Arā anō ngā momo tapawhā rite-rau, ko te tapawhā rite-toru, ko te tapawhā rite-whā, haere ake nei, haere ake nei.
A 2-dimensional shape made from squares. The squares are all the same size, and are joined at the edges. If there are two squares in the shape it is called a domino (tapawhā rite-rua), if there are three it is called a tromino (tapawhā rite-toru), if there are four squares it is called a tetromino (tapawhā rite-whā), and so on.