What is this skill?
Commas tell a reader where to pause and how the parts of a sentence fit together. Fifth graders learn a handful of rules, each with a clear job. A comma follows a word like yes, no or well at the start of a sentence ("Yes, I would love some cake"). A comma sets off the name of the person being spoken to ("Maya, can you help me?"). Commas separate items in a series ("Jamal, Priya, and Leo went to the park"). A comma ends an introductory phrase or clause ("After the long soccer game, we ate pizza"). And a comma sets off a name in the middle of a sentence on both sides ("Thank you, Grandma, for the gift").
In this practice most questions ask which of three sentences is punctuated correctly, covering every rule above, and the hardest add an interrupter in the middle of a question ("Is it true, Kenji, that you can juggle?") and a long series ("In the morning, we fed the chickens, collected eggs, and watered the garden"). Two questions show a sentence without its comma and ask where it goes, such as "Sofia please pass the salt" (after Sofia) and "When the bell rings line up at the door" (after rings). Six yes-or-no questions ask whether a sentence is punctuated correctly or needs a fix, including "Mom can I have a snack?" and "Wow that was a great movie!"
Why it matters
A missing comma can change the meaning. "Let's eat, Grandma" and "Let's eat Grandma" are the famous pair, and while a child may smile, the point is real. A comma is part of how a sentence says what it means.
Commas are also how writing sounds. A comma after an introductory phrase gives the reader a natural pause, and a child who reads their work aloud can often hear where one is missing.
The rules are the ones that teachers check in middle school and beyond. Students who learn them in fifth grade have a set of reasons for their commas, not guesses, which makes editing less stressful.
Common mistakes
- Putting a comma where a speaker would breathe and not where the rule says. A pause is a clue and not a rule, so tie the comma to a rule: opener, name, series or interrupter.
- Leaving off the comma after the opening phrase. "Although it was late we kept playing" runs together, and the comma after late is the fix.
- Putting a comma before the first item or after the last item of a series, as in "We bought, apples, pears and grapes." The commas go between items, and this practice uses a comma before the and in lists.
- Setting off a name with only one comma, as in "Thank you, Grandma for the gift." A name in the middle of a sentence needs a comma on each side.
How to help at home
- Read a sentence aloud with and without a comma and ask which sounds right. The ear catches many missing commas.
- Write a note to a family member that uses one of each rule: an opener like Yes, a name, a list of three things and an opening phrase. A real note has a real reader.
- Find a comma in a book and ask which of the five rules it follows. Naming the rule matters more than finding the comma.
- Check the printable worksheet and the answer key together. Every wrong choice shows a common comma mistake worth discussing.
Worked examples
These are real questions from the Tutorsaurus comma rules practice, with the answers worked out.
Example 1
Which sentence lists the names correctly?
Choices: Jamal, Priya, and Leo went to the park., Jamal Priya and Leo went to the park., Jamal, Priya and Leo, went to the park.
Answer: Jamal, Priya, and Leo went to the park. Commas separate the names in the list, and no comma goes between the list and the verb.
Example 2
Is this sentence punctuated correctly?
I packed a towel, sunscreen, and a hat.
Answer: Correct. The three items in the list are separated by commas.
Example 3
Which sentence sets off the name correctly?
Choices: Is it true Kenji that you can juggle?, Is it true Kenji, that you can juggle?, Is it true, Kenji, that you can juggle?
Answer: Is it true, Kenji, that you can juggle? Kenji is being spoken to in the middle of the sentence, so his name gets a comma before and after.
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.