RUDN Journal of Informatization in EducationRUDN Journal of Informatization in Education2312-86312312-864XPeoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)6724Research ArticleMathematical development of school children on the integrated lessons of informatics and mathematicsZykovaI Finnazykova@gmail.comSchool № 654150120131929608092016Copyright © 2013,2013This article explores the possibility of integrated lessons of informatics and mathematics. Particularity we base on the theme «sets and operations on them». Interrelationship between basic themes of informatics and the theme «sets» is demonstrated.integrationsetinformation processingspreadsheetsmathematical developmentинтеграциямножествоинформационные процессыэлектронные таблицыматематическое развитие