Elapsed Time

Front

What is Elapsed Time?

Back

Elapsed time is the amount of time that passes from the start of an event to the end of that event.

Front

How do you calculate Elapsed Time?

Back

To calculate elapsed time, subtract the start time from the end time.

Front

If a show starts at 7:40 P.M. and ends at 7:57 P.M., how do you find the elapsed time?

Back

Subtract 7:40 from 7:57. The elapsed time is 17 minutes.

Front

What is the elapsed time between 6:15 P.M. and 6:55 P.M.?

Back

The elapsed time is 40 minutes.

Front

If Clark leaves for school at 7:33 A.M. and takes 18 minutes to get there, what time does he arrive?

Back

Clark arrives at 7:51 A.M.

Front

If Jenny finishes her research at 7:34 P.M. and spent 22 minutes on it, what time did she start?

Back

Jenny started her research at 7:12 P.M.

Front

What is a time interval?

Back

A time interval is the duration of time between two events.

Front

How can you represent time on a number line?

Back

You can represent time on a number line by marking points for different times and showing intervals between them.

Front

What is the difference between A.M. and P.M.?

Back

A.M. refers to the time from midnight to noon, while P.M. refers to the time from noon to midnight.

Front

If an event lasts for 30 minutes and starts at 2:00 P.M., what time does it end?

Back

The event ends at 2:30 P.M.