What is this skill?
In first grade, children learn to tell time to the hour and half hour on analog clocks with hands, and to write the time the digital way, such as 3:00 or 3:30. At an o'clock time the long minute hand points straight up to 12 and the short hour hand points to the hour. At half past, the minute hand points straight down to 6.
The tricky part is the hour hand at half past. At 3:30, the short hand is not on 3; it is halfway between 3 and 4, because half an hour has passed. Children have to learn that the hour is the number the short hand has most recently passed.
Why it matters
Telling time is a practical life skill that gives children a sense of control over their day: when school ends, when dinner is, how long until bedtime. It also builds number sense, because the clock face combines counting, fractions (half an hour, a half turn) and later skip counting by 5s for minutes.
Reading analog clocks remains worth learning even with digital clocks everywhere. Clock faces appear in classrooms and many public places, and second graders build on this skill by reading time to the nearest five minutes.
Common mistakes
- Mixing up the hands, reading the long hand as the hour. A helpful phrase is "the short hand is the hour, it is short like the word hour."
- Reading half past 3 as 4:30 because the hour hand is close to 4, or as 3:30 at the wrong time. Explain that the hour hand moves slowly between numbers and you read the number it has passed.
- Saying "3:6" when the minute hand points to 6. Explain that each number on the clock stands for five minutes, so pointing at 6 means 30 minutes.
How to help at home
- Put an analog clock where your child can see it every day and mention the time on the hour and half hour: "It is 7:30, half past seven, time to get dressed."
- Make a paper plate clock with a brad fastener and two paper hands. Set it to a time and have your child read it, then swap roles.
- Connect times to routines. Draw clocks for wake-up, lunch and bedtime and match them to the activities.
- Turn the minute hand slowly from 12 to 6 while pointing out how the hour hand creeps halfway to the next number. Seeing the hands move together explains half past better than any rule.
Worked examples
These are real questions from the Tutorsaurus telling time to the half hour practice, with the answers worked out.
Example 1
What time is it?
Choices: 6:00, 7:00, 8:00, 8:30
Answer: 7:00. The short hand points to 7 and the long hand points to 12, so it is o'clock. It is 7:00.
Example 2
What time is it?
Choices: 8:30, 9:30, 9:00, 10:30
Answer: 9:30. The short hand is between 9 and 10 and the long hand points to 6, so it is half past. It is 9:30.
Example 3
What time is it?
Choices: 7:00, 6:00, 6:30, 7:30
Answer: 6:00. The short hand points to 6 and the long hand points to 12, so it is o'clock. It is 6:00.