Connecting Ideas: Conjunctions because, so, when for Class 3

This Grade 3 worksheet helps learners understand how to join ideas using the conjunctions because, so, and when. These words allow children to show reasons, results, and time relationships between events. Through structured activities such as Fill in the Blanks, True or False, MCQs, Sentence Rewriting, and Paragraph Writing, students build stronger sentence formation and clearer communication.

Why Conjunctions Matter in Grammar?

Conjunctions help link two parts of a sentence smoothly. For Grade 3 learners, this topic is important because:
1. It strengthens reasoning and explanation skills.
2. It improves sentence flow and clarity.
3. It teaches children how to express cause, effect, and time.
4. It builds better writing, storytelling, and everyday communication.

What’s Inside This Worksheet?

Exercise 1 – Fill in the Blanks
Students choose the correct conjunction from the bank (because, so, when).

Exercise 2 – True or False
Learners check whether the conjunction used in each sentence is correct.

Exercise 3 – Multiple Choice Questions
Students select the conjunction that best completes each sentence.

Exercise 4 – Sentence Rewriting
Students replace the incorrect underlined word with the correct conjunction and rewrite the full sentence.

Exercise 5 – Paragraph Writing
Students write about their weekends using conjunctions.

Answer Key (For Parents & Educators)

Exercise 1 – Fill in the Blanks
1. because
2. because
3. because
4. so
5. so
6. so
7. because
8. when
9. because
10. because

Exercise 2 – True or False
1. True
2. True
3. False
4. True
5. False
6. True
7. True
8. True
9. True
10. False

Exercise 3 – Multiple Choice Questions
1. because
2. because
3. when
4. because
5. because
6. because
7. when
8. because
9. because
10. when

Exercise 4 – Rewrite the Sentence 
1. I stayed home because it was raining.
2. She didn’t go out because she was sick.
3. She is happy because she got good marks.
4. It was getting late, so we hurried home.
5. He studied hard, so he passed.
6. Call me when you reach school.
7. It was very hot, so we switched on the fan.
8. He shouted because he was angry.
9. I was reading when the lights went off.
10. We clapped when the show ended.

Exercise 5 – Paragraph Writing
Answers may vary. (Sample: This weekend was fun because I spent time with my family and finished some schoolwork. On Saturday, I played cricket with my friends, and we enjoyed the pleasant weather. Later, I helped my mother cook dinner so we could all eat together.)

Help your child master cause, effect, and time connections with this engaging conjunctions worksheet.

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