4th Grade 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. If the end time is on the next day, adjust accordingly.

Front

If an event starts at 5:30 and lasts for 3 hours and 40 minutes, what is the end time?

Back

The end time is 9:10.

Front

What is the difference between hours and minutes in time calculations?

Back

Hours are divided into 60 minutes. When calculating time, you may need to convert hours into minutes or vice versa.

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 time 1 hour and 30 minutes after 8:30?

Back

The time is 10:00.

Front

If a soccer game starts at 2:20 and lasts for 3 hours and 25 minutes, what is the end time?

Back

The end time is 5:45.

Front

How do you find the duration of an event given the start and end times?

Back

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

Front

If baseball practice starts at 3:40 and ends at 4:25, how long did practice last?

Back

Practice lasted for 45 minutes.

Front

What is the significance of 'half past' in time telling?

Back

'Half past' refers to 30 minutes after the hour.