Elapsed Time Practice

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 an event starts at 4:10 p.m. and ends at 7:05 p.m., how do you find the duration?

Back

Break it down: From 4:10 to 5:10 is 1 hour, from 5:10 to 6:10 is another hour, and from 6:10 to 7:05 is 55 minutes. Total: 2 hours and 55 minutes.

Front

What is the duration of a school day that starts at 8:40 a.m. and ends at 3:05 p.m.?

Back

The school day lasts 6 hours and 25 minutes.

Front

If something takes 12 minutes to cook and is done at 6:10, how do you find when it started cooking?

Back

Subtract 12 minutes from 6:10, which is 5:58.

Front

What is the end time if practice starts at 3:40 p.m. and lasts for 1 hour and 30 minutes?

Back

The end time is 5:10 p.m.

Front

If school ends at 2:30 p.m. and soccer practice lasts for 2 hours and 30 minutes, what time does practice end?

Back

Soccer practice ends at 5:00 p.m.

Front

What is a time interval?

Back

A time interval is the difference between two times, measured in hours and minutes.

Front

How do you convert minutes into hours?

Back

To convert minutes into hours, divide the number of minutes by 60.

Front

What is the significance of 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.