Online Writing Lab at Purdue University
Purdue University Owl: Commas After Introductions
This lesson from Purdue's Online Writing Lab provides a definition of phrase and instructions on how to punctuate different types of introductory phrases. There is also a link to an exercise on this topic.
Lumen Learning
Lumen: Readability: Commas as Separators
This lesson focuses on recognizing and demonstrating the use of commas as separators including with transition words, descriptive phrases, and adjacent items. It also provides a practice activity.
Online Writing Lab at Purdue University
Purdue University Owl: Exercise : Commas After Introductions Exercise 3
This resource provides practice with writing and punctuating sentences with introductory elements.
Get It Write
Get It Write: Punctuating With Parentheses
Here's a great tutorial that explains when to put commas inside or outside the parentheses. A brief quiz checks your understanding.
Wisc-Online
Wisc Online: Using Commas in a Series
In this learning module, students read about the rules for using commas to divide nouns, verbs, and adjectives when the words are written in a series. They insert commas in a practice exercise with 25 questions and receive immediate...
BBC
Bbc: Skillswise: Using Commas [Pdf]
Use this BBC Skillswise factsheet to learn more about commas, including how to use them in a series and how to separate less important parts of a sentence.
Online Writing Lab at Purdue University
Purdue University Owl: Commas Set Off Nonessential Elements: Exercise #1
This lesson provides a quiz on commas and nonessential elements. Answers included.
Texas Education Agency
Texas Gateway: Punctuation
Punctuation is the point of this lesson. You'll learn to put the right dots and squiggles in the appropriate places in your writing. You'll review the conventions of punctuation used in academic English. Then you will apply what you...
University of Wisconsin
University of Wisconsin Madison: Writing Center: Using Commas
This tutorial shows how to punctuate nonrestrictive and restrictive modifiers. Definitions and sample pairs of sentences are included.
Harvard University
Harvard Writing Center: Tips on Grammar, Punctuation and Style
Rather than lists of rules, this site provides practical advice on the use of commas, semicolons, dashes, hyphens, abbreviations, acronyms, split infinitives, "this," "that," italics, and underlining. CCSS.ELA-Literacy.CCRA.L.2
University of Calgary
University of Calgary: Colon and Semicolon Exercise
The first part of this site provides information and examples for the correct usage of the colon and the semicolon. The second part is an exercise. Click on "semi-colon" of "colon" to correctly punctuate the sentence. Then click on...
Alabama Learning Exchange
Alex: Quotations and Commas
During this lesson students will have the opportunity to learn the proper way to use quotations and commas. They will view information on the Internet and participate in online activities to help them master this concept.
PBS
Pbs Learning Media: Using Punctuation for Breaks and Pauses
Punctuation indicates how one should read any sentence. Commas, for example, indicate when a reader should take a brief pause, either for emphasis or for comprehension. [0:40]
PBS
Pbs Learning Media: How to Use Commas With Conjunctions
Conjunctions can join two separate clauses, but sometimes they need commas. Learn how to do so correctly with this video. [0:48]
Khan Academy
Khan Academy: Salutations, Valedictions, Dates, and Addresses
Commas are needed when starting or ending a letter/email, writing out dates, or writing out addresses.
Khan Academy
Khan Academy: Commas and Introductory Elements
Basically, you can use commas at the beginning of sentences to set up an introduction.
Khan Academy
Khan Academy: Subordination and Coordination Quick Guide
This article focuses on subordination and coordination including, process of linking clauses with punctuation and conjunctions, types of conjunctions, dependent and independent clauses.
Grammar Tips
Commas With Introductory Adverbial Elements
This resource is a clear guide to explain the proper use of the comma with an adverb clause.
Writing Fix
Writing Fix: Subordinating Conjunction Rules [Pdf]
This PDF provides a writer's handout which covers the rules for using subordinating conjunctions. There are three complex sentence patterns to learn with subordinating conjunctions. Two patterns require you to make use of commas; one...
Character Lab
Character Lab: Think It, Do It: Developing an Implementation Mindset
Think it, do it. This is the mantra of David Fajgenbaum who almost died of an immune disorder. This blog explains why the comma in his mantra is so important, and how it can help us act upon decisions.
Calculator Soup
Calculator Soup: Prime Factorization Calculator
Use this prime numbers calculator to find all prime factors of a given integer number up to 1 trillion. This calculator presents prime factors of a number, prime decomposition in exponential form, CSV (comma separated values) list of...
Grammar Tips
Using Commas With Direct Address
This resource offers a short, simple article to show how commas can be used correctly with direct address.
Courseware Solutions
Wordville: Commas: A Fun Way for Kids to Practice Using Commas
In this activity, students add commas as needed to friendly letters. As they click where the commas belong a dragonfly or a butterfly inserts the commas.
Quia
Quia: Commas Galore
An interactive quiz game where students are asked to choose the sentence that uses commas correctly. Answer twelve increasingly difficult questions in order to win the game but be careful. Incorrect answers will send the player back to...
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