Punctuation Marks worksheet for students to practice adding correct punctuation to sentences.

Problem Description:

The task is to fill in the missing punctuation marks in each sentence. Punctuation marks are essential for conveying meaning and structure in written language. The sentences provided are:

1. My friend is at school.
2. What is your favorite color?
3. Where is my cup?
4. Stop hitting me!
5. Jack is my brother.
6. Wow, it is so hot outside!
7. My shirt is blue.
8. You did a great job today.
9. What can we do?
10. The flowers are red and yellow.

Solution:

We will analyze each sentence and determine the appropriate punctuation mark based on its structure and meaning.

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#### 1. My friend is at school.
- This is a declarative sentence (a statement). Declarative sentences end with a period (.).
- Answer: `.`

#### 2. What is your favorite color?
- This is an interrogative sentence (a question). Interrogative sentences end with a question mark (?).
- Answer: `?`

#### 3. Where is my cup?
- This is also an interrogative sentence (a question). It ends with a question mark (?).
- Answer: `?`

#### 4. Stop hitting me!
- This is an imperative sentence (a command or request). Imperative sentences often end with an exclamation mark (!) if they convey strong emotion or urgency.
- Answer: `!`

#### 5. Jack is my brother.
- This is a declarative sentence (a statement). It ends with a period (.).
- Answer: `.`

#### 6. Wow, it is so hot outside!
- This sentence starts with an interjection ("Wow") and expresses strong emotion, so it ends with an exclamation mark (!).
- Answer: `!`

#### 7. My shirt is blue.
- This is a declarative sentence (a statement). It ends with a period (.).
- Answer: `.`

#### 8. You did a great job today.
- This is a declarative sentence (a statement). It ends with a period (.).
- Answer: `.`

#### 9. What can we do?
- This is an interrogative sentence (a question). It ends with a question mark (?).
- Answer: `?`

#### 10. The flowers are red and yellow.
- This is a declarative sentence (a statement). It ends with a period (.).
- Answer: `.`

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Final Answers:

1. `.`
2. `?`
3. `?`
4. `!`
5. `.`
6. `!`
7. `.`
8. `.`
9. `?`
10. `.`

Boxed Final Answer:

\[
\boxed{., ?, ?, !, ., !, ., ., ?, .}
\]