Sophia Learning
Sophia: Capitalization of Proper Nouns
A screencast lesson discussing the difference between common and proper nouns and providing many examples capitalizing proper nouns and not capitalizing common nouns. [5:22]
Khan Academy
Khan Academy: Common and Proper Nouns
What's the difference between a common noun and a proper noun?
Sophia Learning
Sophia: Hyphenation!
This lesson focuses on when to use a hyphen and when not to use a hyphen. It also offers a short quiz. L.11-12.2a Hyphens