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Conjunctions: and, but, so, because — Answers

Answer sheet with model answers and success criteria for the 3rd Grade sentences & clauses worksheet.

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Success TutoringWorksheetsAnswer sheet3rd Grade · English · Sentences & Clauses

Conjunctions: and, but, so, because — Answers

Part A: Choose the conjunction

and adds, but contrasts, so gives a result, because gives a reason. Circle the conjunction that fits best.

1.I wanted to play outside, (answer space) it was raining.
  1. Aand
  2. Bbut
  3. Cbecause
  4. Dso

Answer: but

"But" shows the two ideas are opposites.

2.We were hungry, (answer space) we made toast.
  1. Aand
  2. Bbut
  3. Cbecause
  4. Dso

Answer: so

"So" shows a result: being hungry led to making toast.

3.She stayed home (answer space) she was sick.
  1. Aand
  2. Bbut
  3. Cbecause
  4. Dso

Answer: because

"Because" gives the reason.

4.I packed my hat (answer space) my sunscreen.
  1. Aand
  2. Bbut
  3. Cbecause
  4. Dso

Answer: and

"And" adds one thing to another.

5.The dog barked (answer space) it heard a noise.
  1. Aand
  2. Bbut
  3. Cbecause
  4. Dso

Answer: because

"Because" explains why the dog barked.

6.It was cold, (answer space) I wore a jacket.
  1. Aand
  2. Bbut
  3. Cbecause
  4. Dso

Answer: so

"So" shows the result of the cold.

Part B: Join the sentences

Join the two sentences into one using the conjunction in parentheses.

7.I like apples. I don't like pears. (but)

Answer: I like apples, but I don't like pears.

8.We missed the bus. We walked to school. (so)

Answer: We missed the bus, so we walked to school.

9.Tom went to bed early. He was tired. (because)

Answer: Tom went to bed early because he was tired.

10.Mia plays the piano. She plays the drums. (and)

Answer: Mia plays the piano and the drums.

Also correct: "Mia plays the piano and she plays the drums."

Part C: Find the conjunction

There are more conjunctions than just and, but, so and because. Circle the conjunction in each sentence and write it on the line.

11.We swam until the sun set.

Answer: until

12.I'll come if I finish my homework.

Answer: if

13.Keep stirring while the sauce heats.

Answer: while

14.Grandad fell asleep before the movie ended.

Answer: before

Part D: Your turn

15.Write four sentences about your favorite animal. Use a different conjunction in each: and, but, so and because. Circle each conjunction.

Model answer: Armadillos have hard shells and they have strong claws. They look slow, but they can run fast. Armadillos dig burrows because they need shelter. They sleep all day, so you rarely see them.

Success criteria:

  • Four complete sentences
  • Each of the four conjunctions used once
  • Each conjunction matches the meaning of the sentence
  • Capital letters and periods
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