This site contains many lessons listed under Math Topics. Each lesson starts with an explanation. After reading the instruction for each lesson, click Start to get a problem. Click Reset to get a new problem. For this chapter, focus on the lessons under the Percent topic.
This site offers matching games, flashcards, and lists of terms. In the directory select All Activities and By Title to get a complete list of the 48 topics. For this chapter, focus on the following topic called Percent-Fraction Match.
Some of the material on this site goes beyond the skills on the GED Test, but much is useful. The site includes lessons (L), practice (P), and teacher resources (T). For this chapter, focus on the Percent lesson in the Measurement section.