✅ Online geometry games for primary school children between 5 and 12 years old, and for secondary school or adults. Learn the mathematics of space with these fun and educational online geometry games for children of all ages. Ideal for children to experiment and have fun learning in the digital world with new technologies. Review angles, surfaces, geometric figures, segments, polygons, types of triangles, and many more with these geometry games to play online for free. Also enjoy fun geometry games: Tetris, Tangram and Geometry Dash.