What is this skill?
A comma is a small pause mark. Second graders learn two main places to use one. The first is in a list of three or more things, where a comma separates each item: "I like apples, pears, and grapes." The second is in a letter, after the greeting ("Dear Grandma,") and after the closing ("Love, Sofia").
In this practice, children pick the sentence with commas in the right places, with wrong options that put the comma in the wrong spot or leave it out, such as "We saw cows pigs, and ducks." Other questions give a list with no commas and ask whether it has the commas it needs, or which sentence needs commas. Letter questions ask for the correct greeting or closing, such as "Dear Grandma," or "Love, Sofia," and a harder one asks about "Dear Ms. Lopez," The hardest questions include a sentence that needs no commas at all, "Zoe likes to swim and dive," because two things joined by and do not make a list. The answers in this practice put a comma before the and in a list, so follow that version when you check your child's work.
Why it matters
Commas help a reader see where one item ends and the next begins. Without them, "We ate pizza salad and cake" is harder to read. A child who learns the pattern early can use it in every list they write, whether it is a grocery list, a birthday wish list or a story.
The letter habit also matters. Children often write notes and cards, and the greeting and closing are a fun way to practice. Getting these right feels grown up, and that motivates a young writer.
Common mistakes
- Putting a comma after every word, as in "I like, apples, pears." Commas go between the items, not between the starter and the list.
- Putting the comma in the wrong place around and. A list needs the comma before the and, not after it. Read it aloud and listen for the little pause.
- Using a comma in a pair of two. "Zoe likes to swim and dive" has only two actions, and the word and already joins them. Commas begin at three.
- Ending a greeting with a period or no mark, such as "Dear Grandma." The greeting takes a comma, and so does the closing, as in "Love, Sofia."
How to help at home
- Write a family shopping list in a sentence: "We need milk, eggs, and bread." Have your child add the commas.
- Write a short letter or card together and put commas after the greeting and the closing.
- Read a list aloud with pauses where the commas go. Then read it with no pauses so the difference shows.
- Play "pack the bag." Take turns adding one item to a sentence about a trip, and stop to place the commas.
Worked examples
These are real questions from the Tutorsaurus commas in lists and letters practice, with the answers worked out.
Example 1
Pick the sentence with correct commas.
Choices: Pack a hat, shoes and, a coat., Pack a hat, shoes, and a coat., Pack a hat shoes and a coat.
Answer: Pack a hat, shoes, and a coat. "Pack a hat, shoes, and a coat." The commas come after each item, with the last comma before "and."
Example 2
Is this letter closing correct?
Your friend, Kenji
Answer: Correct. The comma goes after "Your friend" and before the name Kenji.
Example 3
Is this greeting written correctly?
Dear, Grandpa
Answer: Needs a fix. The comma belongs after the name: "Dear Grandpa,"
Printable worksheet (PDF) — one page of questions from this practice that work on paper, easier ones first, with an answer key on page 2. Free to print, no sign-up.