Scientists of the Institute of Information Technologies and Learning Tools of the National Academy of Educational Sciences of Ukraine conducted a series of All-Ukrainian Scientific and Methodological webinars for teachers "Digital Educational Environment of Primary School: Methodological Aspect", "Educational environment of primary school and project "SmartKids","Computer modeling system cognitive tasks for the formation of students′ competencies in natural and mathematical subjects". The participants of the practice-oriented events were primary school teachers, teachers of physics, chemistry, biology and mathematics, deputy principals for educational work, methodologists of education departments from all over Ukraine.