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.

Tags

CCSS.3.MD.A.1

Front

How do you calculate elapsed time when given a start time and an end 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.

Tags

CCSS.3.MD.A.1

Front

What is the elapsed time between 12:05 and 1:45?

Back

1 hour 40 minutes.

Tags

CCSS.3.MD.A.1

Front

If an event starts at 5:20 and lasts for 2 hours and 15 minutes, what time does it end?

Back

7:35.

Tags

CCSS.3.MD.A.1

Front

How do you find the start time if you know the end time and duration?

Back

Subtract the duration from the end time.

Tags

CCSS.3.MD.A.1

Front

If Patricia got off the airplane at 3:45 and was on it for 2 hours and 30 minutes, what time did she board?

Back

1:15.

Tags

CCSS.3.MD.A.1

Front

What is the elapsed time from 9:45 to 11:20?

Back

1 hour 35 minutes.

Tags

CCSS.3.MD.A.1

Front

If Lester worked on his fence for 2 hours and 10 minutes starting at 1:30 p.m., what time did he finish?

Back

3:40 p.m.

Tags

CCSS.3.MD.A.1

Front

What is the difference between elapsed time and duration?

Back

Elapsed time refers to the total time that has passed, while duration refers to the length of time an event lasts.

Tags

CCSS.3.MD.A.1

Front

How do you convert hours and minutes into just minutes?

Back

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

Tags

CCSS.4.MD.A.1