Lesson: Adding and Subtracting Units of Time

Mathematics

In this lesson, we will learn how to measure time in hours, minutes, and seconds by using addition and subtraction and use this skill to solve word problems.

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Sample Question Videos

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Worksheet

Q1:

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

Q2:

The given table shows the time Anthony spends on his morning activities. Calculate the total time it takes Anthony 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

Q3:

Express, in hours, minutes, and seconds, the finishing time of a marathon winner who completed the race in 8,569 seconds.

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