Worksheet: Elapsed Time Across am and pm

In this worksheet, we will practice how to calculate elapsed time by adding or subtracting the start time and the end time in the same or different time formats of am and pm using a number line.


In a large shopping center, three security teams go on three different patrols. The first team’s patrol takes 6 hours, the second team’s patrol takes 3 hours, and the third team take 4 hours. As soon as a patrol is finished they begin it again. If, at 2:00 am, all teams started a patrol simultaneously, what is the first time that all the teams finish a patrol together?

  • A2:00 pm
  • B3:00 pm
  • C9:00 pm
  • D12:00 pm
  • E10:00 pm


Isabella arrived at the cinema at 1640. Her friend Anthony arrived at 435 pm. Who arrived first?

  • AIsabella
  • BAnthony
  • CThey arrived at the same time.


When it is 3 o’clock at night, what will the clock look like?

  • A
  • B


William goes to the park in the afternoon. What might the clock look like when he goes to the park?

  • A
  • B
  • C
  • D
  • E


David earns an hourly wage of $6. One day, he worked from 9:00 am till 12:00 pm, had lunch, and then worked for another 4 hours. Determine David’s wage that day.


Victoria has drawn this picture to remind her about adding am or pm to a time.

She goes to the park after school at half past four. Write the time she goes to the park.

  • A4:15 pm
  • B4:30 pm
  • C4:30 am
  • D4:15 am
  • E3:30 pm


William arrived home at 1847. His sister Jennifer arrived home at quarter to seven in the evening. Their dad, Anthony, arrived at 710 pm. Write their names in the order in which they arrived home.

  • AAnthony, Jennifer, William
  • BJennifer, William, Anthony
  • CWilliam, Jennifer, Anthony
  • DJennifer, Anthony, William
  • EWilliam, Anthony, Jennifer


Natalie has basketball practice at 7:05 pm which lasts for 1 hour and 20 minutes. At what time does she finish?

  • A7:26 pm
  • B27:06 pm
  • C8:25 pm
  • D8:07 pm


Matthew earns an hourly wage of $4. One day, he worked from 7:00 am till 12:00 pm, had lunch, and then worked for another 4 hours. Determine Matthew’s wage that day.


Determine the elapsed time from 07:52 am to 06:47 pm.

  • A11 hours
  • B10 hours and 55 minutes
  • C10 hours and 52 minutes
  • D10 hours
  • E10 hours and 47 minutes


Determine the elapsed time from 09:37 pm to 04:11 am.

  • A6 hours and 11 minutes
  • B6 hours and 37 minutes
  • C7 hours
  • D6 hours and 34 minutes
  • E6 hours


Determine the duration of a movie that started at 10:30 am and ended at 12:52 pm.

  • A2 hours and 52 minutes
  • B2 hours
  • C3 hours
  • D2 hours and 22 minutes
  • E2 hours and 30 minutes


What will the time be 10 hours and 54 minutes after 10:39 pm?

  • A9:33 am
  • B11:45 pm
  • C9:33 pm
  • D8:33 am
  • E11:45 am


Victoria left her house at 06:54 am to go to school and returned at 03:31 pm. Determine the time elapsed from the moment she left the house to the moment she returned.

  • A8 hours
  • B8 hours and 54 minutes
  • C8 hours and 31 minutes
  • D9 hours
  • E8 hours and 37 minutes


Mason rides his bike on weekends. One day he started riding his bike in the morning as shown in the figure, and stopped at 01:20 PM, how much time he spent riding his bike?

  • A2 hours and 35 minutes
  • B3 hours and 35 minutes
  • C4 hours and 30 minutes
  • D3 hours and 11 minutes


Suppose a student has 5 classes and a lunch period, each of which is 50 minutes long, and between each period, there is a break for 8 minutes. If the student’s day starts at 8:00 am, determine the time at which their day will end.

  • A01:50 pm
  • B01:48 pm
  • C02:00 pm
  • D01:00 pm
  • E01:40 pm


The line shows the time when Michael started cleaning his room and when he finished. How long did it take for him to clean his room?

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