(First month free, then monthly subscription fee) Buzzmath (Free for teachers and classrooms subscription available for home use) Adventure Academyįrom the same company as ABCMouse, Adventure Academy takes kids ages 8 to 13 on a knowledge quest through language arts, math, science, and social studies. Offering a full curriculum for children ages 2 to 8, this site includes fun and interactive games, songs, and puzzles for reading, math, science, and art. Preschool and Elementary Online Educational Games ABCMouse Middle and High School Online Educational Games.Preschool and Elementary Online Educational Games.You’ll find educational games for students in every subject and every grade. If you’re not quite sure where to get started, try this list of our favorite teacher-approved online educational games. Fortunately, there are endless free online games for kids that teach language arts, math, science, art, and STEM. Kids are always asking for more screen time, and parents and teachers are always looking for ways to make that screen time more worthwhile.