A resource for math and computer science education
To solve 47 + 6:
Leone Learning Systems, Inc. (LLS) is a North Shore company that provides online courses for kids anywhere and local teaching and tutoring services for students in Chicago and the Northern Suburbs of Chicagoland. LLS also provides a free geometry software package for children age 6 and up, and free resources for teachers and parents. This site includes information about tutoring and classes provided, learning activities for kids, lesson plans, and ongoing software and curriculum research and development efforts.