SEKİZİNCİ SINIF ÖĞRENCİLERİNİN DAİRE VE DAİRE DİLİMİNİN ALANI İLE İLGİLİ PROBLEM OLUŞTURMA BECERİLERİNİN İNCELENMESİ (THE INVESTIGATION OF 8th-GRADE STUDENTS’ PROBLEM-POSING SKILLS ABOUT THE AREA OF A CIRCLE AND A SEGMENT) - Yasemin KATRANCI -Büşra KIRAL - İlknur GÜNEŞ | The Journal of Academic Social Science