This video helps students to learn that a comma is a punctuation mark and shows how it is used in grammar. Through live action video, animation and graphics, students will come to understand how to use commas to write dates, addresses and letters. Students will also learn how to use commas to separate adjectives, verbs and nouns in a sentence.

Originally released by Mazzarella Media, 2016. Streaming video file encoded with permission for digital streaming by Infobase on July 20, 2016.

Commas: Grammar in Action (4:20); .