12.3 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 you arrive at school at 8:00 AM and leave at 3:00 PM, how many hours are you at school?

Back

7 hours.

Front

What is the difference between AM and PM?

Back

AM refers to the time from midnight to noon, while PM refers to the time from noon to midnight.

Front

If lunch is at 12:30 PM and you have 1 hour until lunch, what time is it now?

Back

11:30 AM.

Front

What time is 2 hours after 9:15 AM?

Back

11:15 AM.

Front

If a movie starts at 5:00 PM and lasts for 2 hours, what time does it end?

Back

7:00 PM.

Front

How many minutes are in 1 hour?

Back

60 minutes.

Front

If you have 30 minutes until your next class and it starts at 2:00 PM, what time is it now?

Back

1:30 PM.

Front

What is the total time from 10:00 AM to 2:00 PM?

Back

4 hours.