Math Spiele and Puzzles. Math Spiele. Speed Math Deluxe - Use addition, subtraction, multiplication and division to solve an equation as quickly as possible! Free educational elementary and preschool math Spiele and online lessons. Free online math activities for kids. Math lessons on counting backwards, counting Offers free math lessons and homework help, with an emphasis on geometry, algebra, statistics, and calculus. Also provides Taschenrechner and Spiele. Math online provides a gallery of multimedia learning Werkzeuge (Java applets) and useful links to other math sites. For school, high school, college.