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Periods Skills

Periods Grammar Skill

Periods are punctuation marks used to end complete sentences. They show that a thought is finished and help keep writing clear and organized.

For example, in the sentence “The students finished their work.” the period tells the reader that the sentence is complete.

Periods are one of the first punctuation marks students learn. They are used in statements, commands, abbreviations, and initials.

This skills hub explains how periods work, when to use them, and provides examples and a short practice quiz.

Examples of Periods in Sentences

Periods are used in several common situations. Seeing examples helps students understand when periods are required.

• Statements: The class began at nine o’clock.
• Commands: Please sit quietly.
• Abbreviations: Dr. Smith lives on Elm St.
• Initials: My favorite author is J.K. Rowling.
• End of thoughts: We finished the project early.

Each sentence ends with a period because it makes a statement or gives a command rather than asking a question.

For guided practice and reinforcement, visit our Periods Worksheets to help students practice using periods correctly.

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Periods Quiz

Choose the sentence that correctly uses a period.

1. Which sentence ends correctly with a period?
   The bell rang. The bell rang? The bell rang!
2. Which sentence correctly uses a period for a command?
   Please close the door. Please close the door? Please close the door!
3. Which sentence correctly uses a period with an abbreviation?
   Mr. Lee teaches math. Mr Lee teaches math. Mr, Lee teaches math.
4. Which sentence uses a period correctly?
   We went home after school. We went home after school? We went home after school!
5. Which sentence should end with a period?
   I finished my homework. Did you finish your homework? Watch out!

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What Are Periods?

Periods are punctuation marks used to end declarative sentences. They show that a complete thought has been expressed.

Using Periods in Sentences

Periods are used at the end of statements and commands, but not with questions or exclamations.

Periods with Abbreviations

Periods are often used with abbreviations and initials, such as titles, street names, and people’s initials.

Common Period Errors

Common mistakes include forgetting to end sentences with periods or using periods where question marks or exclamation points belong.