This document discusses curriculum integration and thematic teaching in basic education. It defines an integrated curriculum as combining multiple disciplines into a single course of study. Thematic teaching uses themes to organize learning across disciplines. Makabayan, the fifth learning area in the Philippine basic education curriculum, lends itself well to integration due to its interdisciplinary nature. The document outlines various approaches to integrated and thematic instruction, including content-based instruction, inquiry-based learning, and multidisciplinary and interdisciplinary thematic units.