Count On - Sum to 10, 20, 100, etc

This is a website for a basic elementary math game using addition. Here is the link: http://www.mathsyear2000.org/magnet/minus3/sumtox/index.html

This website is another basic, early elementary addition site. This website increases the effectiveness of learning by making addition into a game. It even provides different levels of difficulty, so that learning continues into the next levels of addition. Enhancement is also increases because students recieve a visual confirmation if they get the correct answer.