This lesson plan teaches primary school students how to tell time using 'o'clock and 'half past'. The 45 minute lesson has 6 steps. First, students are introduced to clocks and the concept of time. Second, they learn about the hour and minute hands. Third, they receive key information like there being 60 minutes in an hour and 30 minutes in half an hour. Fourth, students match clocks showing different times to written times. Fifth, they place times of daily activities on clocks in sequence. Finally, they are given a worksheet as homework to practice telling time.