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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.

Grade 8 Math Time24-hour Clock
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Includes

Fill in the BlanksMultiple ChoiceShort AnswerCustomTrue / False

Standards

CCSS.MATH.CONTENT.7.EE.B.3

Topics

mathtime24-hour clockgrade 8
7 sections · Free to use · Printable
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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?

a

07:00

b

17:00

c

19:00

d

21:00

2. If a train departs at 23:10, what time is that in 12-hour format?

a

11:10 AM

b

1:10 PM

c

9:10 PM

d

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.

00:0003:0006:0009:0012:0015:0018:0021:0024:00

Indicate whether each statement is True or False.

1. 10:00 AM in 12-hour format is 22:00 in 24-hour format.

T

True

F

False

2. To convert a PM time (except 12:00 PM) to 24-hour format, you add 12 to the hour.

T

True

F

False