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Lesson: Adding and Subtracting Measures of Time

Time is something that we experience on a daily basis characterized by notions such as the past, present, and future. In this lesson, we will learn how to measure time in hours, minutes, and seconds by using addition and subtraction.

Worksheet: Adding and Subtracting Measures of Time • 14 Questions

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

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