Students practice calculating elapsed time and visualizing it by drawing hands on analog clocks for four different scenarios.

Let's solve each of the time word problems step by step and explain the solutions.

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Problem 1:

My favorite TV program will start at 7:00 pm. It's a 2 hour 30 minute long program. When will it end?

#### Solution:
1. Start time: 7:00 pm
2. Duration of the program: 2 hours and 30 minutes
3. Add the duration to the start time:
- Adding 2 hours to 7:00 pm gives 9:00 pm.
- Adding 30 minutes to 9:00 pm gives 9:30 pm.
4. Therefore, the program ends at 9:30 pm.

#### Answer:
The program ends at 9:30 pm.

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Problem 2:

My office starts at 9:15 am. The lunch break starts 4 hours later. When does my lunch break start?

#### Solution:
1. Start time of office: 9:15 am
2. Lunch break starts 4 hours later:
- Adding 4 hours to 9:15 am:
- 9:15 am + 4 hours = 1:15 pm
3. Therefore, the lunch break starts at 1:15 pm.

#### Answer:
The lunch break starts at 1:15 pm.

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Problem 3:

I went shopping with my mother at 11:45 am on last Sunday. We woke up 3 hours earlier. When did we wake up?

#### Solution:
1. Shopping time: 11:45 am
2. We woke up 3 hours earlier:
- Subtract 3 hours from 11:45 am:
- 11:45 am - 3 hours = 8:45 am
3. Therefore, we woke up at 8:45 am.

#### Answer:
We woke up at 8:45 am.

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Problem 4:

We watched a horror movie last weekend. It was a 3-hour long movie. If the movie began at 9:00 pm, when did it end?

#### Solution:
1. Start time of the movie: 9:00 pm
2. Duration of the movie: 3 hours
3. Add the duration to the start time:
- Adding 3 hours to 9:00 pm gives 12:00 am (midnight).
4. Therefore, the movie ended at 12:00 am.

#### Answer:
The movie ended at 12:00 am.

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Final Answers:

1. The program ends at 9:30 pm.
2. The lunch break starts at 1:15 pm.
3. We woke up at 8:45 am.
4. The movie ended at 12:00 am.

$$
\boxed{9:30 \text{ pm}, 1:15 \text{ pm}, 8:45 \text{ am}, 12:00 \text{ am}}
$$