%0 Journal Article %T Labor Activity on Extra-Curricular Lessons in Mathematics: Production of Counting Disks %A Agafonova, S.A. %K younger schoolchildren; children-patients; psychoemotional state; extra-curricular lesson in mathematics; the project “We Learn – We Know”; counting disk; scale; formation of computing skills. %J Primary Education %D 2018 %N 6 %P 2 %I INFRA-M Academic Publishing LLC.