Coolmath Games is a brain-training site, for everyone, where logic & thinking & math meets fun & games. These games have no violence, no empty action, just a. A mathematical game is a game whose rules, strategies, and outcomes are defined by clear mathematical parameters. Often, such games have simple rules and Specific mathematical · Abstract Strategy. Play free math games for Pre-K through 7th grade. Our fun math games cover subjects from addition, fractions, and multiplication to measurement, graphing and.