摘要:AbstractThe aim of the present study was to determine mathematics teachers’ opinions about the renewed fifth grade mathematics curriculum and to investigate the new mathematics curriculum and the former one comparatively. In the current study, two qualitative research methods namely, document review and semi- structured interview methods were used. With document review, the similarities and differences between the renewed fifth grade mathematics program and the former one were discussed by comparing the two curriculums. The related documents were derived from mathematics curriculum that was published in Turkish Education Board official website. With semi structured interview form, teachers’ opinions about the new curriculum was determined. In the present study, in which the purposeful sampling was used, 18 mathematics teachers were interviewed that worked at schools depending on the Ministry of Education in Sakarya province Ferizli district. The obtained data was analyzed via descriptive statistics. According to findings, the new mathematics curriculum and the former one were similar in general, and teachers had both positive and negative opinions about the new curriculum.