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 class starts at 11:30 a.m. and ends at 12:15 p.m., how long is the class?

Back

45 minutes.

Front

What is the total number of hours in one day?

Back

24 hours.

Front

If Emma practices basketball for 1 hour and 30 minutes starting at 3:30 p.m., what time does she finish?

Back

5:00 p.m.

Front

What does a clock showing 3:21 mean?

Back

It means it is 21 minutes past 3 o'clock.

Front

How many minutes are in one hour?

Back

60 minutes.

Front

If 2 hours have passed since 1:00 p.m., what time is it now?

Back

3:00 p.m.

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 a movie starts at 4:00 p.m. and lasts for 2 hours, what time does it end?

Back

6:00 p.m.