Answer:
Here are the sentences with the appropriate punctuation and capitalization corrected:
1. "Close the window, Jamal," said the teacher.
2. Peter said to me, "Be careful with the little ones."
3. Mother said to me, "Remember to take your keys with you."
4. The teacher said to the students, "Don't make so much noise."
5. The teacher said to the students, "Bring your homework tomorrow."
6. Paula said to Lucia, "Don't run in the hall."
7. Lisa said to Claudia, "Turn off the lights."
8. Steve said to me, "Don't look at me."