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Grade 3 · Grammar · Sentence structure

3rd Grade Conjunctions worksheets

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Conjunctions

Grade 3 Grammar Worksheet - Challenge Me

NameDate

Circle the answer, or write your answer on the lines.

  1. Which word best completes the sentence? “___ it was cold, Mia wore shorts.”

    • Since
    • So
    • Although
    • Because
  2. Which word best completes the sentence? “We will miss the bus ___ we hurry.”

    • if
    • because
    • since
    • unless
  3. Which word best completes the sentence? “Mom hummed a song ___ she painted the fence.”

    • unless
    • although
    • while
    • so
  4. Which word is the conjunction? “Since the store was closed, we went home.”

    • store
    • Since
    • closed
    • went
  5. Which sentence uses “although” correctly?

    • Although the hill was steep, Kofi rode to the top.
    • Although Kofi was strong, he rode to the top.
    • Although the hill was flat, Kofi rode to the top.
    • Although the sun was bright, Kofi wore sunglasses.
  6. Which word best completes the sentence? “You may not watch a show ___ you finish your chores.”

    • since
    • although
    • until
    • because
  7. Which is the best way to join “The baby was asleep” and “we whispered”?

    • So the baby was asleep, we whispered.
    • Since the baby was asleep, we whispered.
    • Although the baby was asleep, we whispered.
    • Unless the baby was asleep, we whispered.
  8. Which word best completes the sentence? “I will lend you my pencil ___ you give it back.”

    • unless
    • so
    • if
    • although
  9. Which word is the conjunction? “Leo read his book while he waited for the bus.”

    • while
    • waited
    • bus
    • read
  10. Join the two sentences with although. Draft: The test was hard. Jamal did well.

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3rd Grade Conjunctions worksheet 1 – printable PDF
Download PDF: 123456

About this worksheet

Conjunctions connect words, phrases, and clauses so writers can show how ideas relate matters in third grade because students are writing longer answers and need grammar choices that make meaning clear. Third graders may use and for every connection, even when the meaning calls for a contrast, a choice, or a reason. This worksheet keeps the work inside complete sentences instead of isolated labels. Students choose conjunctions for addition, contrast, choice, cause, and time, then revise combined sentences for clear meaning. The items rotate across identifying the feature, choosing a correct revision, explaining what a word or mark does, and rejecting common distractors.

Support versions use familiar school contexts and shorter sentences. Standard and challenge versions add closer choices and more varied wording. Encourage your child to read the whole sentence aloud before answering, then check whether the answer fits both the grammar rule and the meaning. That habit prevents guessing from one nearby word and builds editing habits for real writing.

What your child will learn

  • Use and, but, or, and so
  • Use because, when, and until
  • Use although, unless, and while
  • Join two sentences so the meaning stays clear

Common Core standard: L.3.1.H

Worked example

'Priya added supports because the bridge bent' uses because to show a reason.

Common mistake

Combining ideas with a conjunction that changes the meaning.

Helpful hint

Read the sentence with each choice. Which one makes sense?

Questions parents ask

What is the most common mistake with conjunctions?

Combining ideas with a conjunction that changes the meaning.

How can I help my child with conjunctions?

Read the sentence with each choice. Which one makes sense?

Are these 3rd grade grammar worksheets free to print?

Yes. All 6 printable versions on this page are free to download and print, with no account needed.

Similar: Prepositions and Prepositional Phrases · Types of Sentences

More 3rd grade sentence structure

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