@article{Rydze2024third-grader,
author={Rydze, O.A.},
title={Third-grader and Mathematics:  Mastering an Academic Subject within the Framework of the Requirements of the Current Standard},
journal={Primary Education},
publisher={INFRA-M Academic Publishing LLC.},
year={2024},
pages={26-32},
volume={12},
issue={2},
}