Complex sentence: IXL Learning offers content for math, English language arts, science, and social studies, and is used by 1 in 10 students in the United States and by over 200,000 teachers worldwide.
Split into simpler sentences: IXL Learning offers content for math, English language arts, science, and social studies. According to statistics, IXL is used by 1 in 10 students in the United States and by over 200,000 teachers worldwide.