24-Hour Clock Mastery
A worksheet for Grade 8 students to practice converting between 12-hour and 24-hour clock formats and solving time-related problems.
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Standards
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24-Hour Clock Mastery
Name:
Date:
Score:
Read each question carefully and provide the correct answer. Show your work where necessary.
Convert the following times to the indicated format:
1. 3:45 PM in 24-hour format:
2. 08:15 in 12-hour format:
3. 11:00 AM in 24-hour format:
4. 21:30 in 12-hour format:
5. Midnight (12:00 AM) in 24-hour format:
Choose the best answer for each question.
1. Which of the following represents 7:00 PM in 24-hour format?
07:00
17:00
19:00
21:00
2. If a train departs at 23:10, what time is that in 12-hour format?
11:10 AM
1:10 PM
9:10 PM
11:10 PM
Solve the following word problems.
1. A flight departs at 14:00 and arrives 3 hours and 45 minutes later. What is the arrival time in 24-hour format?
2. Sarah started studying at 19:30 and finished at 22:15. How long did she study?
Use the number line below to plot the following 24-hour times: 06:00, 13:00, 20:00. Label each point clearly.
Indicate whether each statement is True or False.
1. 10:00 AM in 12-hour format is 22:00 in 24-hour format.
True
False
2. To convert a PM time (except 12:00 PM) to 24-hour format, you add 12 to the hour.
True
False