TY  JOUR
TI  Fourth-Grader and Mathematics: Mastering the Subject Within the Framework of the Requirements of the Current Standard
KW  Federal state educational standard of primary general education; mathematics; fourth-grader; updated content; self-control
KW  multi-level tasks
JO  Primary Education
AU  Rydze, O.A.
PY  2025
IS  13
PB  INFRA-M Academic Publishing LLC.