Commas around extra information
Grade 8 Reading Worksheet - Building Confidence

Circle the best answer.
The school has three reading groups, and one finished early. Sentence: The group [that finished early] went outside. Ari runs the swap check on the bracketed part. Which choice gives the swap result and the commas it needs?
- Without it, the sentence could mean any of the three groups, so the part takes no commas.
- Without it, the sentence could mean any of the three groups, so the part takes a pair of commas.
- Without it, the sentence names the same group, so the part takes a pair of commas.
- Without it, the sentence names the same group, so the part takes no commas.
The town has one library. Sentence: The library [a brick building on Elm Street] opens at nine. Bo runs the swap check on the bracketed part. Which choice gives the swap result and the commas it needs?
- Without it, the sentence could mean a different library, so the part takes a pair of commas.
- Without it, the sentence names the same library, so the part takes a pair of commas.
- Without it, the sentence names the same library, so the part takes no commas.
- Without it, the sentence could mean a different library, so the part takes no commas.
Read this first
Facts
The class has three kites, and one is stuck in the tree. Sentence: The kite [stuck in the tree] needs a ladder.
Esme runs the swap check on the bracketed part. Which choice gives the swap result and the commas it needs?
- Without it, the sentence could mean any of the three kites, so the part takes a pair of commas.
- Without it, the sentence names the same kite, so the part takes no commas.
- Without it, the sentence names the same kite, so the part takes a pair of commas.
- Without it, the sentence could mean any of the three kites, so the part takes no commas.
The school has one gym. Sentence: The gym [which has a new floor] opens Monday. Jun runs the swap check on the bracketed part. Which choice gives the swap result and the commas it needs?
- Without it, the sentence names the same gym, so the part takes a pair of commas.
- Without it, the sentence could mean a different gym, so the part takes no commas.
- Without it, the sentence could mean a different gym, so the part takes a pair of commas.
- Without it, the sentence names the same gym, so the part takes no commas.
The town has one mayor. Sentence: The mayor [who started the book drive] visited the school. Kira proofreads a newsletter. The facts say whether the bracketed part is extra or needed. Which sentence is punctuated to match?
- The mayor, who started the book drive, visited the school.
- The mayor who started the book drive visited the school.
- The mayor who started the book drive, visited the school.
- The mayor, who started the book drive visited the school.
Facts
Three bikes are parked outside, and one is leaning on the fence. Sentence: The bike [leaning on the fence] belongs to the coach.
Luz proofreads a newsletter. The facts say whether the bracketed part is extra or needed. Which sentence is punctuated to match?
- The bike, leaning on the fence, belongs to the coach.
- The bike leaning on the fence, belongs to the coach.
- The bike, leaning on the fence belongs to the coach.
- The bike leaning on the fence belongs to the coach.
Facts
Four helpers work at the fair, and one wears a green apron. Sentence: The helper [who wears a green apron] hands out the maps.
Noah proofreads a newsletter. The facts say whether the bracketed part is extra or needed. Which sentence is punctuated to match?
- The helper who wears a green apron hands out, the maps.
- The helper who wears a green apron hands out the maps.
- The helper who wears a green apron, hands out the maps.
- The helper, who wears a green apron, hands out the maps.
The shelf holds three jars, and one holds buttons. Sentence: The jar [that holds buttons] is on the left. Ren edits a sentence. The facts show whether the bracketed part is extra or needed. Which version has the right words and commas?
- The jar that holds buttons, is on the left.
- The jar that holds buttons is on the left.
- The jar, which holds buttons, is on the left.
- The jar, that holds buttons is on the left.
The camp has one shed. Sentence: The shed [which holds the tools] is old. Tala edits a sentence. The facts show whether the bracketed part is extra or needed. Which version has the right words and commas?
- The shed, which holds the tools, is old.
- The shed, that holds the tools, is old.
- The shed that holds the tools is old.
- The shed, which holds the tools is old.
Facts
Four notebooks sit on the desk, and one has a blue cover. Sentence: The teacher wants the notebook [that has a blue cover] for the lesson.
Zee edits a sentence. The facts show whether the bracketed part is extra or needed. Which version has the right words and commas?
- The teacher wants, the notebook that has a blue cover for the lesson.
- The teacher wants the notebook that has a blue cover for the lesson.
- The teacher wants the notebook, that has a blue cover for the lesson.
- The teacher wants the notebook, which has a blue cover, for the lesson.