1) This document outlines a teaching unit for 4th grade social studies on the history of Colombia. It includes overarching goals, understanding goals, topics, and lesson plans. 2) The unit covers two main topics: the encounter between indigenous and European cultures during the conquest period, and the imposed power of the colony era. Lessons incorporate maps, debates, and comparing historical and modern life. 3) Assessment of student understanding focuses on social thinking, perspective analysis, and reflective thinking skills. Students are evaluated on their ability to identify, describe and apply knowledge about the conquest, colony, institutions and cultural impacts over time in Colombia.