%0 Journal Article %T Analyses of the Features of General Schooling of Russian Younger Schoolchildren in Accordance to the Results of International Research TIMSS-2015 (Mathematics) %A Rydze, O.A. %K international monitoring study TIMSS, fourth grade schoolchildren, Federal state educational standard of primary education, universal learning activities, mathematics, typical difficulties of general educatoin nature. %J Primary Education %D 2017 %N 5 %P 4 %I INFRA-M Academic Publishing LLC.