Educational worksheet for converting between 12-hour and 24-hour clock times, featuring practice problems and analog clock illustrations.

Problem: Converting 24-Hour Clock Times

The task involves converting times between the 12-hour clock (using am/pm) and the 24-hour clock. Let's solve each section step by step.

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#### Section 1: Convert these am and pm times into the 24-hour clock

1. 7:35 am
- In the 24-hour clock, times in the morning (before 12:00 pm) remain the same.
- Answer: 07:35

2. 2:50 pm
- For times in the afternoon (after 12:00 pm), add 12 to the hour.
- 2 + 12 = 14
- Answer: 14:50

3. 11:53 am
- Times before 12:00 pm remain the same.
- Answer: 11:53

4. 5:16 pm
- Add 12 to the hour.
- 5 + 12 = 17
- Answer: 17:16

5. 1:35 pm
- Add 12 to the hour.
- 1 + 12 = 13
- Answer: 13:35

6. 3:40 am
- Times before 12:00 pm remain the same.
- Answer: 03:40

7. 10:17 pm
- Add 12 to the hour.
- 10 + 12 = 22
- Answer: 22:17

8. 8:41 pm
- Add 12 to the hour.
- 8 + 12 = 20
- Answer: 20:41

9. 12:06 am
- 12:00 am is represented as 00:00 in the 24-hour clock.
- Answer: 00:06

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#### Section 2: Convert these 24-hour clock times to am and pm times

1. 05:25
- This is before 12:00, so it is in the morning (am).
- Answer: 5:25 am

2. 15:10
- Subtract 12 from the hour to convert to pm.
- 15 - 12 = 3
- Answer: 3:10 pm

3. 09:48
- This is before 12:00, so it is in the morning (am).
- Answer: 9:48 am

4. 12:28
- 12:00 is noon, so this is 12:28 pm.
- Answer: 12:28 pm

5. 18:42
- Subtract 12 from the hour to convert to pm.
- 18 - 12 = 6
- Answer: 6:42 pm

6. 13:31
- Subtract 12 from the hour to convert to pm.
- 13 - 12 = 1
- Answer: 1:31 pm

7. 22:47
- Subtract 12 from the hour to convert to pm.
- 22 - 12 = 10
- Answer: 10:47 pm

8. 00:56
- 00:00 is midnight, so this is 12:56 am.
- Answer: 12:56 am

9. 16:22
- Subtract 12 from the hour to convert to pm.
- 16 - 12 = 4
- Answer: 4:22 pm

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#### Section 3: Write the correct 24-hour clock time with each analogue clock

1. Clock 1:
- The hour hand is between 7 and 8, closer to 7.
- The minute hand is on 10, which represents 50 minutes.
- Answer: 07:50

2. Clock 2:
- The hour hand is between 9 and 10, closer to 9.
- The minute hand is on 8, which represents 40 minutes.
- Answer: 21:40 (since it is labeled as pm)

3. Clock 3:
- The hour hand is between 3 and 4, closer to 3.
- The minute hand is on 2, which represents 10 minutes.
- Answer: 15:10 (since it is labeled as pm)

4. Clock 4:
- The hour hand is between 7 and 8, closer to 7.
- The minute hand is on 10, which represents 50 minutes.
- Answer: 07:50 (since it is labeled as am)

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Final Answers:

#### Section 1:
1. 07:35
2. 14:50
3. 11:53
4. 17:16
5. 13:35
6. 03:40
7. 22:17
8. 20:41
9. 00:06

#### Section 2:
1. 5:25 am
2. 3:10 pm
3. 9:48 am
4. 12:28 pm
5. 6:42 pm
6. 1:31 pm
7. 10:47 pm
8. 12:56 am
9. 4:22 pm

#### Section 3:
1. 07:50
2. 21:40
3. 15:10
4. 07:50

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Final Boxed Answer:
\[
\boxed{
\begin{array}{ccc}
\text{Section 1:} & \text{Section 2:} & \text{Section 3:} \\
07:35 & 5:25 \text{ am} & 07:50 \\
14:50 & 3:10 \text{ pm} & 21:40 \\
11:53 & 9:48 \text{ am} & 15:10 \\
17:16 & 12:28 \text{ pm} & 07:50 \\
13:35 & 6:42 \text{ pm} & \\
03:40 & 1:31 \text{ pm} & \\
22:17 & 10:47 \text{ pm} & \\
20:41 & 12:56 \text{ am} & \\
00:06 & 4:22 \text{ pm} &
\end{array}
}
\]