Ferreira MG, Alves de Oliveira S. PROBLEM-SOLVING IN THE MATHEMATICAL EXPERIENCES IN THE FIFTH YEAR OF ELEMENTARY SCHOOL. RPEM [Internet]. 2023 May 5 [cited 2026 Oct. 12];12(27):340-62. Available from: https://periodicos-hml.unespar.edu.br/rpem/article/view/7326