Improve your math skills. Fun game teaches addition, subtraction, multiplication, division, and elementary algebra. For kids and children of all ages and grades.
Here is another simple, online manipulative that I used in one of my lessons that helps teach the concept of greatest common factor. It's another fun activity for students to come up to the interactive whiteboard and do in class. Not only is this a real-life example, but it reaches multiple learning styles, including verbal, visual, and tactile learners!
This website gives a jeopardy game for students to play that has decimal, fraction and precent questions. When you close out of the game and replay it the questions are different so that it can be played multiple times.