BBC
Bbc: Bitesize Revision: Equivalent Fractions
This is an excellent place to learn about equivalent fractions. There is an interactive exploration of what equivalent fractions are. There is also an explanation and example of how to find equivalent fractions followed by a quiz.
Khan Academy
Khan Academy: Compare Fractions With the Same Denominator
Compare two fractions that have the same denominator using greater and less than symbols. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Homeschool Math
Homeschool Math: Understanding Fractions
Lesson teaches third graders about the concept of fractions.