Mathnasium opened a location July 18 at 28818 Cinco Ranch Blvd., Ste. 120, Katy. The franchise provides math tutoring for children ages kindergarten through college and also offers services for adults. The business specializes in standardized test preparation, including SAT, ACT, GRE and other college placement exams. 832-437-5033. www.mathnasium.com/fulshear