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Time and Data Timeline

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Time and Data Timeline

Time and Data Timeline

Clock and timeline illustration

⏰ Part 1: Reading Time

1. Write the time shown on each clock in both 12-hour and 24-hour format:

Clock A: 12-hour format: _____________ 24-hour format: _____________

Clock B: 12-hour format: _____________ 24-hour format: _____________

Clock C: 12-hour format: _____________ 24-hour format: _____________

2. Circle the correct time format for each situation:

A train timetable shows departure at:

2:30 pm

14:30

Both are correct

⏱️ Part 2: Calculating Elapsed Time

3. Calculate the elapsed time for each activity:

a) Start: 9:15 am, End: 11:45 am

Elapsed time: _____ hours _____ minutes

b) Start: 13:20, End: 15:55

Elapsed time: _____ hours _____ minutes

c) Start: 2:45 pm, End: 5:30 pm

Elapsed time: _____ hours _____ minutes

4. School starts at 9:00 am and finishes at 3:15 pm. How many hours and minutes is the school day?

💾 Part 3: Data Storage Units

5. Match each data storage unit with its correct size:
1. Byte
2. Kilobyte (KB)
3. Megabyte (MB)
A. 1,000 bytes
B. 1,000 kilobytes
C. One piece of information
6. Circle the most likely data storage size for each item:

A text message:

1 KB

1 MB

1 GB

A digital photo:

2 KB

2 MB

2 GB

A song file:

5 KB

5 MB

5 GB

📅 Part 4: Your Daily Timeline

7. Create a timeline of your typical school day. Include at least 6 activities with start and end times:
8. Calculate the duration of three activities from your timeline:

Activity 1: _________________ Duration: _________________

Activity 2: _________________ Duration: _________________

Activity 3: _________________ Duration: _________________

📱 Part 5: Digital Data Usage

9. Estimate the data usage for activities in your day. Check all that apply for each activity:

Watching TV for 1 hour uses approximately:

50 MB

500 MB

5 GB

Using a tablet for schoolwork for 30 minutes uses approximately:

10 MB

100 MB

1 GB

10. If you watch 2 hours of streaming video that uses 500 MB per hour, how much total data do you use?
11. Explain in your own words why understanding time and data measurements is important in daily life:

🎯 Part 6: Challenge Problems

12. Convert between time units:

a) 3 hours = _______ minutes

b) 150 minutes = _______ hours _______ minutes

c) 2.5 hours = _______ minutes

13. A movie starts at 7:45 pm and runs for 2 hours and 25 minutes. What time does it finish?

Finish time: _________________

14. If your phone has 16 GB of storage and you have used 12 GB, how many megabytes of storage do you have left?

Remember: 1 GB = 1,000 MB

Storage remaining: _______ MB

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