Sophia Learning
Sophia: Primary vs. Secondary Sources: Lesson 2
This lesson introduces primary and secondary sources. It is 2 of 2 in the series titled "Primary vs. Secondary Sources."
Imagine Learning Classroom
Learn Zillion: Determine the Central Idea of a Nonfiction Article
In this lesson, you will learn how to determine the central idea of a text by determining the topic and asking what the author says about it. [6:57]