4.9 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 it is 3:10 p.m. and Kenneth needs to be at the bus stop at 4:30 p.m., how do you find out how much time he has left?

Back

Subtract 3:10 p.m. from 4:30 p.m. to find the elapsed time.

Front

What is the elapsed time between 4:45 p.m. and 5:15 p.m.?

Back

The elapsed time is 30 minutes.

Front

If a practice ends at 7:15 p.m. and lasts 45 minutes, what time did it start?

Back

It started at 6:30 p.m.

Front

How do you convert hours and minutes into just minutes?

Back

Multiply the number of hours by 60 and add the minutes.

Front

What is the total time of a train ride that starts at 11:45 a.m. and ends at 4:35 p.m.?

Back

The total time is 4 hours and 50 minutes.

Front

If you add 2 hours and 15 minutes to 7:05 p.m., what time will it be?

Back

It will be 9:20 p.m.

Front

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

Back

Start time is when an event begins, and end time is when it finishes.

Front

How can you check if your elapsed time calculation is correct?

Back

You can add the elapsed time to the start time and see if it equals the end time.