The Department of Mathematics at the College of Education for Pure Sciences / University of Karbala held an electronic training course entitled (Google Classroom platform and its uses in blended learning), which was held for three days, starting from Tuesday 10/11/2020 until Thursday 12/11/2020. As the purpose of this training course was to acquaint the teachers with the environment of the Google Classroom platform, how to give lectures, record them, perform exams, and the most important software associated with Google Classroom.