Onion College only has teaching videos for grades three to six, but they haven't done videos for grades one and two. But you can sign up for the first and second grades.

Onion Mathematics is a complete set of free courses, which is a national online education brand deeply loved by students and teachers. Onion Mathematics course provides diverse intelligent education services for teachers and students by using cognitive science and intelligent technology, such as online courses, intelligent exercises, problem analysis and learning situation analysis. It mainly focuses on Internet inclusive education in primary and secondary schools, and provides personalized education services for teachers and students with the innovative teaching mode of 65,438+0,000% man-machine interactive learning. According to the national curriculum standards and teaching materials, more than 3,500 creative animation video courses have been independently developed.