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Apostrophe Possession Worksheet

This apostrophe possession worksheet gives 3rd grade students practice adding apostrophes to singular and plural owners, moving from a word box to independent writing. An answer key is included.

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About this resource

Description

Showing ownership is one of the first places young writers meet the apostrophe, and it is also one of the easiest places to slip. This apostrophe possession worksheet gives third graders focused practice with the rule that decides everything: add an apostrophe and an s to a singular owner, and add only an apostrophe after a plural owner that already ends in s. Once a child can name the owner, the punctuation mark falls into place on its own.

The page moves from supported practice to independent transfer. A word box of four possessive forms opens the sheet, and every sentence names its owner in parentheses, so each item has exactly one correct answer and no guessing is rewarded. The second section removes the word box and hands over the hard owners — irregular plurals such as children and women, and plurals that end in es such as foxes and buses. A short writing task closes the page. Printed as a 3rd grade punctuation worksheet, it works as morning work, a guided lesson, a literacy center, or homework.

What’s Included

  • Four word box sentences that mix singular and plural owners
  • Five independent sentences using irregular and es plurals
  • One short constructed response line for the child’s own sentence
  • A complete answer key on the final page
  • A printable PDF sized for standard letter paper

Three Reasons This Helps Kids

  • It names the owner first. Every item prints the owner in parentheses, so the child practices the decision the rule depends on instead of copying a pattern.
  • It builds from support to independence. The word box scaffolds the first section and then disappears, which is how a skill becomes a habit.
  • It ends with real writing. The final task asks for an original sentence, so the rule has to travel out of the exercise and into the child’s own words.

Ideas for Teachers and Parents

Read the first sentence aloud and ask, “Who owns the coats?” before anyone picks up a pencil. Have students underline the owner word in parentheses, then say whether it is one or more than one. For a quick review, write ten nouns on the board and sort them into singular and plural columns before writing the possessive form of each. This apostrophe possession worksheet also pairs well with a hunt through a classroom library book for possessive nouns in print.

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