The numerical sense and its relationship to the mathematical achievement of the second grade intermediate students. Thi Qar Arts Journal, Huminites, v. 2, n. 36, p. 338–359, 2021. DOI: 10.32792/tqartj.v2i36.276. Disponível em: http://mail.jart.utq.edu.iq/index.php/main/article/view/276. Acesso em: 9 jan. 2025.