Interactive
University of Cambridge

University of Cambridge: Nrich: Game Chocolate Bars

For Students 3rd - 5th
Use this game to practice finding how many of the chocolate bars (or parts) you will get when you share them with your friends at the party. If you don't figure it out correctly the computer will tell why.
Interactive
Other

Visual Fractions: Rename in Higher Terms With Circles

For Students 3rd - 8th Standards
Practice renaming fractions in higher terms using circle fractions, in this Java applet interactive game. A simple activity for most. However, if you get stuck, see the detailed, directions and examples that are included.
Interactive
National Council of Teachers of Mathematics

The Math Forum: "Zero In" Summing to Zero Fraction Game

For Students 9th - 10th
A card game where students compete to lay down cards - each containing fractions - which sum to zero. The game provides practice for the students who have a working knowledge of the operations with fractions.
Unknown Type
BBC

Bbc Schools: Bitesize: How to Multiply Fractions

For Students 3rd - 5th
Assess your fraction knowledge by taking this fraction quiz. Links are provided that allow you to enlarge the screen, view the quiz in a different format, read and review fraction facts, and have fun with the interactive activity.
Interactive
Fun Brain

Fun Brain: Fraction Soccer

For Students 3rd - 8th
Compete in a soccer shootout by adding, subtracting, multiplying, and dividing fractions. Score goals for your team and block your opponent's shots by answering correctly.
Unit Plan
BBC

Bbc: Bitesize Revision: Equivalent Fractions

For Students 3rd - 8th Standards
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.