Worksheet: Adding and Subtracting Measures of Time

This is the worksheet where you will be sharpening your skills and practicing measuring time in hours, minutes, and seconds using addition and subtraction.

Q1:

Add 11 hours and 34 minutes to 3 hours and 43 minutes.

A15 hours and 43 minutes
B15 hours and 34 minutes
C15 hours and 17 minutes
D14 hours
E15 hours

Q2:

Add 7 hours, 45 minutes, and 15 seconds to 2 hours, 10 minutes, and 33 seconds.

A9 hours, 10 minutes, and 33 seconds
B9 hours, 55 minutes, and 48 seconds
C9 hours, 45 minutes, and 15 seconds
D9 hours

Q3:

Determine the difference between 6 hours, 48 minutes, and 27 seconds and 3 hours, 33 minutes, and 13 seconds.

A3 hours, 33 minutes, and 13 seconds
B3 hours, 48 minutes, and 27 seconds
C3 hours, 15 minutes, and 14 seconds
D9 hours
E3 hours

Q4:

Determine the difference between 10 hours, 29 minutes, and 8 seconds and 6 hours, 20 minutes, and 30 seconds.

A4 hours, 20 minutes, and 30 seconds
B4 hours, 29 minutes, and 8 seconds
C4 hours, 8 minutes, and 38 seconds
D16 hours
E4 hours

Q5:

Find the elapsed time from 02:43 pm to 08:28 pm.

A5 hours and 28 minutes
B5 hours and 43 minutes
C5 hours and 45 minutes
D6 hours
E5 hours

Q6:

Determine the elapsed time from 07:50 am to 11:52 am.

A4 hours and 52 minutes
B4 hours and 50 minutes
C4 hours and 2 minutes
D5 hours
E4 hours

Q7:

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

A6 hours and 11 minutes
B6 hours and 37 minutes
C6 hours and 34 minutes
D7 hours
E6 hours

Q8:

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

A10 hours and 47 minutes
B10 hours and 52 minutes
C10 hours and 55 minutes
D11 hours
E10 hours

Q9:

It takes Christina 2 hours and 45 minutes to cycle around the town. If she starts cycling at 8:00 pm, when will she finish her lap?

A10:15 pm
B2:45 pm
C10:45 pm
D8:45 pm
E10:00 pm

Q10:

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 and 30 minutes
C2 hours and 22 minutes
D3 hours
E2 hours

Q11:

Abigail began her exercise at 08:47 am and finished at 11:27 am. For how long did she exercise?

A2 hours and 27 minutes
B2 hours and 47 minutes
C2 hours and 40 minutes
D3 hours
E2 hours

Q12:

Daniel put a meatloaf in the oven at 11:18 am. Given that it needed to bake for 2 hours and 58 minutes, at what time should he take it out of the oven?

A02:18 pm
B02:00 pm
C02:16 pm
D02:00 am
E02:16 am

Q13:

Tiffany 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 and 31 minutes
B8 hours and 54 minutes
C8 hours and 37 minutes
D9 hours
E8 hours

Q14:

The given table shows the time Noah spends on his morning activities. Estimate the total time it takes Noah to get ready and arrive at work.

Activity	Getting Ready in the Morning	Walking to the Bus Stop	Riding the Bus to Work	Walking from the Bus Stop to Work
Time	32 minutes	28 minutes	55 minutes	9 minutes

A2 hours and 55 minutes
B2 hours and 9 minutes
C2 hours and 4 minutes
D3 hours
E2 hours

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