Elapsed Time Word Problems

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 the start time of an event when you know the end time and duration?

Back

To find the start time, subtract the duration from the end time.

Front

What is the duration of an event?

Back

Duration is the total time taken for an event to occur, usually measured in hours and minutes.

Front

If a movie lasts 2 hours and 30 minutes and starts at 1:00 p.m., what time does it end?

Back

The movie ends at 3:30 p.m.

Front

What type of word problem is it when the start time is unknown?

Back

It is called a 'Start time unknown' problem.

Front

What type of word problem is it when the end time is unknown?

Back

It is called an 'End time unknown' problem.

Front

What type of word problem is it when the duration is unknown?

Back

It is called a 'Duration unknown' problem.

Front

If a train leaves at 10:00 a.m. and arrives at 1:00 p.m., how long did it travel?

Back

The train traveled for 3 hours.

Front

What is the formula to find elapsed time?

Back

Elapsed time = End time - Start time.

Front

If a bus departs every 30 minutes starting at 9:00 a.m., what time does the third bus leave?

Back

The third bus leaves at 9:60 a.m. (or 10:00 a.m.).