Commas in a series worksheets
When a sentence lists three or more things, commas keep the items from running together: we packed hats, mittens, and boots. First graders spot the list and check that a comma follows each item before the last.
By grade
What students need to know
When you list three or more things, put a comma after each one before the last: hats, mittens, and boots.
This skill runs from 1st grade through 3rd grade. Pick a grade above for level-matched sentences, teaching notes, and worksheets.
Commas in a series across the grades
1st grade
When a sentence lists three or more things, commas keep the items from running together: we packed hats, mittens, and boots. First graders spot the list and check that a comma follows each item before the last.
2nd grade
Second graders punctuate longer lists of things, actions, and describing words: the class sang, clapped, and cheered. The skill sharpens into catching the two classic mistakes, missing commas and a comma that wandered to the wrong side of and.
3rd grade
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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