Infant/Toddler Teacher. Duties. Childcare workers typically do the following. 12 Early childhood units are required. At least 3 units required in infant/toddler or shall contain instruction specific to infants. This is mandatory. Supervise and monitor the safety of children. Prepare and organize mealtimes and snacks for children. Help children keep good hygiene. Change the diapers of infants and toddlers. Organize activities or implement a curric...