Duanwu Festival is associated with rice dumplings and dragon boat races. Most families would make it a point to have dumplings on the day itself. Those who practise ancestral worship might offer rice dumplings to their ancestors.
Besides eating dumplings and participating in dragon boat races, it’s also an occasion to commemorate patriots and emphasise the importance of loyalty to the nation.
Schools also make the festival meaningful by organising literary activities such as essay or poetry competitions based on the theme of patriotism.
Info source: Singapore Federation of Chinese Clan Associations, Chinese Customs and Festivals in Singapore, p. 55