Elapsed Time - 3rd Grade

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 Lily finished her homework at 7:20 p.m. and it took her 35 minutes, when did she start?

Back

6:45 p.m.

Front

Mason started doing his chores at 4:14 p.m. and it took him 27 minutes. What time was it when he was done?

Back

4:41 p.m.

Front

Nate finished dinner at 7:10 p.m. and did dishes for 15 minutes. What time did he start doing dishes?

Back

7:25 p.m.

Front

If Malachi finished mowing the lawn at 2:22 p.m. and it took him 43 minutes, what time did he start?

Back

1:39 p.m.

Front

What is the difference between start time and end time?

Back

Start time is when an activity begins, and end time is when the activity is completed.

Front

If Thomas put a ham in the oven at 4:45 PM and took it out at 6:00 PM, how long was it in the oven?

Back

1 hour and 15 minutes.

Front

What does it mean to add time?

Back

Adding time means to combine hours and minutes to find a new time.

Front

If an event lasts for 30 minutes and starts at 3:00 PM, what time does it end?

Back

3:30 PM.