Converting Time: 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?

Back

To calculate elapsed time, subtract the start time from the end time.

Tags

CCSS.3.MD.A.1

Front

What is the difference between AM and PM?

Back

AM (Ante Meridiem) refers to the time from midnight to noon, while PM (Post Meridiem) refers to the time from noon to midnight.

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

CCSS.W.2.3

CCSS.W.3.3C

Front

How do you convert minutes to hours?

Back

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

Tags

CCSS.4.MD.A.1

Front

What is the time 30 minutes after 2:45 PM?

Back

3:15 PM.

Tags

CCSS.3.MD.A.1

Front

If an event starts at 4:30 PM and lasts for 2 hours and 15 minutes, what time does it end?

Back

6:45 PM.

Tags

CCSS.3.MD.A.1

Front

What is the time 15 minutes before 10:00 AM?

Back

9:45 AM.

Tags

CCSS.3.MD.A.1

Front

How do you find the time difference between two times on a clock?

Back

To find the time difference, convert both times to minutes, subtract the earlier time from the later time, and convert back to hours and minutes.

Tags

CCSS.3.MD.A.1

Front

If you sleep from 10:00 PM to 6:00 AM, how many hours of sleep do you get?

Back

8 hours.

Tags

CCSS.3.MD.A.1

Front

What is the time 45 minutes after 11:15 AM?

Back

12:00 PM.

Tags

CCSS.3.MD.A.1