3rd grade commas in a series worksheets
Third graders handle series inside richer sentences, where list items are phrases rather than single words: spring melts snow, wakes bears, and fills rivers. Reading each option aloud and hearing where the pauses fall becomes the reliable check.
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The kind of sentences you'll fix
Add the missing commas to each sentence.
-
The bakery smells of cinnamon vanilla and yeast.
Fixed: The bakery smells of cinnamon, vanilla, and yeast.
- Autumn brings acorns frost and golden leaves.
- The library offers puzzles movies and clubs.
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
- Fix it. Add the missing commas to each sentence. 8 sentences to fix per page.
- Choose the sentence. Circle the letter of the sentence with the commas in the right places. 7 questions per page.
Every version prints on US Letter or A4, with its answer key on the last page.
How to teach this
These sheets use the serial comma (the one right before and) because it's the style schools teach. If your child asks why a book at home skips it, that's a real style difference, not an error; writers just have to pick one style and stay consistent.
Watch for: Two things joined by and need no comma at all: ham and eggs. The comma comes before and, never after it: mittens, and boots (not mittens and, boots).
Common questions about commas in a series
- Is the comma before "and" required?
- In school writing, yes; it's called the serial comma, and every correct answer on these sheets includes it. Some newspapers drop it, which is a style choice students may notice in the wild. We teach the version that prevents misreadings.
- How does this skill show up in real writing?
- Everywhere lists live: science observations, book reports, thank you notes. A student who punctuates a series cleanly writes sentences readers glide through. It's also among the most commonly tested conventions on state writing assessments.
Related worksheets
- 1st grade commas in a series A step easier, same skill
- 2nd grade commas in a series A step easier, same skill
- 3rd grade commas in letters Same grade, nearby skill
- 3rd grade contractions Same grade, nearby skill
- 3rd grade quotation marks in dialogue Same grade, nearby skill
- Commas in a series, all grades The full progression
- All 3rd grade English worksheets Every skill at this level
- All 3rd grade worksheets Everything at this level
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Reviewed by the One more sheet team. Content version 137, updated August 2026.
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