This paired text social studies unit focuses on helping students answer this Big Question: Why have maps been valuable throughout the world's history? This unit contains two lessons and a unit assessment. Each lesson includes teacher support pages, a dictionary, a reading selection, and a variety of written and oral activities, including reading comprehension, close reading, vocabulary, and text-based writing activities. The reading selections in this unit are: Cartography in the Modern World (Level W) and Drawing a New Conclusion (Level V). An answer key is also included.