Commas in Compound Sentences is a free printable Grade 4 English worksheet on the comma before and, but and so in a compound sentence, aligned to Common Core standard L.4.2. It prints 7 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.
Set 1 of 25 · the same problems every time you open this link.
The polyps expel the algae and the coral turns white.
3.apostrophe
The villages clock was four minutes fast.
4.apostrophe
The beavers lodge is entered underwater.
5.apostrophe
Rontgens wife put her hand on the plate.
6.commas
Harrison built four clocks and the fourth one worked.
7.commas
We tested wood rubber and metal.
LessonPrint · L.4.2 · Set 1 · free to copy for classroom use
Answer key — Commas in Compound Sentences
Set 1. Prints on its own sheet.
1.The reef's colour drained away.
2.The polyps expel the algae, and the coral turns white.
3.The village's clock was four minutes fast.
4.The beaver's lodge is entered underwater.
5.Rontgen's wife put her hand on the plate.
6.Harrison built four clocks, and the fourth one worked.
7.We tested wood, rubber and metal.
Questions about Commas in Compound Sentences
What does the Commas in Compound Sentences worksheet cover?
It practises the comma before and, but and so in a compound sentence — 7 questions for Grade 4, all on Common Core L.4.2: Punctuate quotations and compound sentences, and spell grade-level words. The instruction to pupils is “Rewrite each sentence correctly”, and the answer key follows on the next sheet.
Which Common Core standard does Commas in Compound Sentences practise?
CCSS.ELA-LITERACY.L.4.2 — L.4.2, in the Language domain for Grade 4. The published standard reads: “Demonstrate command of the conventions of standard English capitalization, punctuation, and spelling when writing.” The worksheet assesses that standard rather than a paraphrase of it.
What age or grade is this worksheet for?
Commas in Compound Sentences is written for Grade 4, typically ages 9-10. It is one of the sheets on L.4.2, so it suits any pupil working at that standard — including older pupils revisiting it and younger ones working ahead.
Does Commas in Compound Sentences come with an answer key?
Yes. All 7 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.
How many different versions of Commas in Compound Sentences can I print?
25 — one per pupil, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.
Is Commas in Compound Sentences free to print and photocopy?
Yes. Commas in Compound Sentences, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.
More practice for L.4.2
Punctuate quotations and compound sentences, and spell grade-level words.