IMPLEMENTASI PEMBELAJARAN BERDIFERENSIASI PADA MATERI LINGKARAN BERBASIS METODE KONSTRUKTIVISME DAN PROBLEM BASED LEARNING UNTUK MENINGKATKAN HASIL BELAJAR PESERTA DIDIK KELAS IV: IMPLEMENTATION OF DIFFERENTIATED LEARNING ON CIRCLE MATERIALS BASED ON CONSTRUCTIVISM AND PROBLEM-BASED LEARNING METHODS TO IMPROVE THE LEARNING OUTCOMES OF GRADE IV STUDENTS. Jurnal Al-Ilmu. 2024;4(2):9-15. doi:10.63353/jurnalalilmu.v8i2.345