1st grade complete sentences worksheets

First grade complete sentences worksheets put a real sentence next to a fragment that is missing its who or its what-happened. Your child circles the complete one. The fragments get sneakier than in kindergarten: they start with capitals, end with periods, and still tell only half an idea.

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The kind of sentences you'll get

Circle the letter of the complete sentence.

  1. The photo of our beach trip.
    Hangs the photo up high.
    Mom hangs the photo in the hall.

    Answer: Mom hangs the photo in the hall.

  2. Sings in the tree.
    A bird sings.
    A little bird.
  3. The puddles freeze before dawn.
    The puddles on the driveway.
    Freeze into slippery glass.

Every print pulls a fresh set of sentences at this level, so a make-up test or a second sibling never gets the same sheet.

What's on each sheet

Every version prints on US Letter or A4, with its answer key on the last page.

How to teach this

Ask for the two parts by name: the naming part and the telling part. When your child picks a fragment, do not correct it right away. Read it aloud with a puzzled face and ask what is missing. Finishing the fragment out loud (Ran down the hill? WHO ran down the hill?) turns the miss into the lesson.

Watch for: Kids judge by length: a long group of words like 'the big brown dog with the red collar' feels finished but never tells what happened. Short can be complete (Birds fly.) and long can be broken. Kids trust the capital letter and period. A fragment wearing both is still a fragment; have them ask 'who or what?' and 'what happened?' instead of checking the ends.

Common questions about complete sentences

What makes an item hard at first grade?
The fragments look finished: they start with a capital and end with a period. Your child has to test the idea, not the punctuation, and that is exactly the skill this page drills.
How is this different from the sentence fragments page?
This page asks your child to recognize the complete sentence. The sentence fragments page, which starts at second grade, asks what a broken one is missing. Recognize first, diagnose second.

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Reviewed by the One more sheet team. Content version 178, updated August 2026.

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