Elapsed Time Backward

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 when going backward?

Back

To calculate elapsed time backward, subtract the duration of the event from the end time.

Front

If an event lasts 30 minutes and ends at 3:00 p.m., what time did it start?

Back

2:30 p.m.

Front

What is the formula to find the start time if you know the end time and duration?

Back

Start Time = End Time - Duration.

Front

If you need to leave for an appointment at 10:00 a.m. and it takes 20 minutes to get there, what time should you leave?

Back

9:40 a.m.

Front

What is the difference between 'start time' and 'end time'?

Back

Start time is when an event begins, while end time is when it concludes.

Front

If a movie lasts 2 hours and ends at 5:00 p.m., what time did it start?

Back

3:00 p.m.

Front

How do you convert minutes into hours when calculating time?

Back

Divide the number of minutes by 60 to convert to hours.

Front

If you have a 15-minute break starting at 2:45 p.m., when does it end?

Back

3:00 p.m.

Front

What is the importance of knowing how to calculate elapsed time?

Back

It helps in planning and managing time effectively for daily activities.