Measuring Time
Measure and begin to record time in hours, minutes, and seconds
What a learner can do afterwards
- Use a sand timer or stopwatch to time an activity
- Begin to understand that 1 minute = 60 seconds
- Record a duration in simple terms (e.g. 'it took about 2 minutes')
1 · Read
A stopwatch or sand timer can measure time. It shows how long something takes. One minute is the same as 60 seconds.
Leo starts a sand timer before he brushes his teeth. When the sand runs out, about 2 minutes have passed. He says, 'That took about 2 minutes.'
You do not need an exact number. Just say about how many minutes it took.
A timer measures time, and 60 seconds make a minute.
More to read
Converting units of time review (seconds, minutes, & hours)
Time can be measured in seconds, minutes, and hours.
A second is a very short time. It takes about 1 second to snap your fingers or flip a light switch.
A minute is longer. 1 minute equals 60 seconds. It takes about 1 minute to brush your teeth.
An hour is even longer. 1 hour equals 60 minutes. A car ride or a movie can take an hour or more.
When you want to change seconds into minutes, or minutes into hours, remember these two facts: - 60 seconds = 1 minute - 60 minutes = 1 hour
Telling time review
A clock has two hands. The short hand is the hour hand. It points to the hour. The long hand is the minute hand. It points to the minutes.
To read a clock, first look at the short hand. That tells you the hour. Then look at the long hand. Count by 5s around the clock to find the minutes.
For example, if the short hand is near the 9 and the long hand points to the spot for 39 minutes, the time is 9:39. That means it is 39 minutes after 9 o'clock.
Practice looking at clocks around your house. Try saying the hour and the minutes out loud.
How to Convert Minutes to Hours: Easy Methods + Examples
Sometimes you know how many minutes something takes, but you want to know how many hours that is.
1 hour has 60 minutes. So to change minutes into hours, divide the number of minutes by 60.
For example, if something takes 120 minutes, divide 120 by 60. That equals 2. So 120 minutes is the same as 2 hours.
If the minutes do not divide evenly, you get hours and extra minutes left over. For example, 90 minutes divided by 60 is 1, with 30 minutes left over. So 90 minutes is 1 hour and 30 minutes.
Try it yourself. Pick a number of minutes and see how many hours that makes.
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2 · Watch
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Where this leads
17 questions wait behind this lesson, each with its answer explained. Every answer feeds the sky: stars light as they are learned, and dim when it is time to come back.