David and Paige, KA's resident grammarians, introduce the three ways to end a sentence: the period, the exclamation point, and the question mark.

The colon can separate parts of a title, citations of religious texts, and the hour and minutes in the time of day. Paige explains how!

David and Paige introduce you to the superhero of the punctuation world: the comma! Practice this yourself on Khan Academy right now.

KA grammarian Paige introduces an important piece of punctuation that helps link items in a sentence: the colon!

This tutorial video explains the origin of italics. The instructor clarifies when to punctuate with italics and when to underline.

This video tutorial explains the purpose of using ellipses when punctuating sentences.

Khan Academy Grammarian David Rheinstrom welcomes you to his favorite topic: the study of language, its rules, and its conventions. By understanding English - by speaking it, by writing it, by reading this very sentence - you are a...

The apostrophe has a bizarre history, including being the name for something that's not really related to grammar at all. David, Paige, and special guest Jake explain.

We use semicolons to punctuate a complex list, which is when list items contain commas. For example, "I visited Paris, France; Paris, Texas; and Paris, Illinois." Paige explains.

David works through a within-sentence punctuation question from the Praxis Core Writing test. [4:06]

In this video [1:33] watch Sal work through a basic within-sentence punctuation question from the SAT Writing and Language Test.

In this video [2:16] watch Dave and David work through a harder within-sentence punctuation question from the SAT Writing and Language Test.

In this video [2:04] watch Sal work through another harder within-sentence punctuation question from the SAT Writing and Language Test.

Paige introduces a piece of punctuation called the semicolon; this punctuation can link closely related independent clauses together in a sentence.

In this video tutorial, the purposes and uses of "hyphens" and "dashes" are distinguished.

Dashes are like little actors--they can behave like colons, pairs of commas, or parentheses. Learn how to use them in this video!

David works through an apostrophe use question from the Praxis Core Writing test. [3:23]

In this lesson, you will learn how to read fluently by stopping at the period at the end of each sentence. [3:41]

In this lesson, you will learn how to read fluently by pausing at commas in sentences. [4:22]

In this lesson, you will learn that good readers read fluently by taking a quick break for in-sentence punctuation marks. [4:05]

In this lesson, you will learn how to correct grammar and spelling mistakes in your writing by rereading and fixing mistakes as you find them. [5:02]

Contractions are easy when you use this song to help you remember how to form them.

This lesson introduces the punctuation and formatting rules for conversations. It is 2 of 2 in the series titled "Punctuating Dialogue."

A lesson introducing slash marks and how they are used. It is 2 of 4 in the series titled "Slash mark."