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8 questions with a Pirates theme plus a full answer key. Perfect for Grade 4 English.
⬇ Download WorksheetStudents will add an apostrophe and s to a singular noun to show ownership.
After Q4, pause and ask students to point to the apostrophe in their answer. Have them say aloud: 'The apostrophe goes BEFORE the s for one owner.' This quick check catches the most common reversal error before Q5–Q8.
- Leo found a map. The map belongs to the captain. Which sentence is correct?
- Leo saw a chest. The chest belongs to the pirate. Fill in the blank: The _______ chest was full of gold doubloons.
- Leo heard a loud cry. Fix this sentence: The parrots cry warned Leo of danger ahead.
...plus 5 more questions in the full worksheet
Instructions: Read each question about Leo's pirate adventure. Add an apostrophe and s ('s) to show that someone owns something.
Standard: L.4.1
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About this English worksheet for Grade 4
In fourth grade, students must master singular possessive nouns to develop grammatically accurate writing and demonstrate ownership relationships clearly, which CCSS L.4.1 requires. Teachers can use this practice resource to reinforce apostrophe placement rules through repeated application, then transition students toward independent revision of their own narratives for possessive noun accuracy.
This printable English worksheet is designed for Grade 4 students and covers Possessive Nouns Singular. The Pirates theme keeps kids engaged while they practice essential English skills. Every worksheet includes a full answer key making it easy for parents and teachers to check work instantly. Aligned to Common Core State Standards (CCSS) for Grade 4 English. Print-ready at US Letter size. No login required — download and print in seconds.
Last updated: April 2026
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