Discuss the importance of being able to tell time on the analog clock. Remind students that the 12 always goes at the top of an analog clock. Then explain how the hands on a clock work. There are two hands on the clock, the big, or minute hand, and the little, or hour hand. The little hand tells us which hour it is, while the big hand tells us how many minutes. When the big hand is on the 12, it is a whole hour. Show a clock with the big hand on the 12 and the little hand on the 1. Tell students that it is 1 o'clock. Repeat this with the terms whole hour, half hour, quarter hour, 20, 10, and 5 minutes past/to. Show students how they know when to count past or to. Using the clock, show that every minute counts, and that from 1-14 become minutes past, then 15 is quarter past, 16-29 is minutes past, but 30 is half past. From 31-44 it is minutes to, 45 is quarter to, and 46-59 is minutes to. You can choose to have students follow along on an individual instruction clock for this portion. Then have students determine the time given in the example clocks on the interactive whiteboard.
Check that students are able to tell time using an analog clock by asking the following questions:
- What is the difference between the big hand and the little hand? What do they show?
- How do you say that the big hand has crossed the 12?
- Why is it useful to be able to tell time?