Sophia Learning
Sophia: Apostrophes
A brief audiovisual presentation that explains what an apostrophe is and its three main uses [3:22]
Sophia Learning
Sophia: Apostrophes and Possession
This lesson focuses on the use of apostrophes to form possessives; it lists the three purposes of apostrophes. It discusses the two types of possession: singular and plural and explains how to use the apostrophe with each. It provides...
Khan Academy
Khan Academy: Advanced (Plural) Possession
Paige and David talk about using apostrophes to show that something belongs to multiple people.
Khan Academy
Khan Academy: Possession for Words Ending in "S"
Do words that end in 's' still need _'s_ to show possession? David and Paige explain!