THE USE OF THE CONCRETE-PICTORIAL-ABSTRACT (CPA) APPROACH TO ASSIST SECOND-GRADE STUDENTS IN UNDERSTANDING ADDITION AND SUBTRACTION AT SDN 1 BANYU URIP. JOETAL: Journal of Education, Teaching and Learning, [S. l.], p. 86–92, 2026. DOI: 10.67045/joetal.vi.162. Disponível em: https://jose.sinarlima.com/index.php/joetal/article/view/162.. Acesso em: 8 nov. 2026.