What is coquina and why is it significant to St. Augustine? Objective The students will understand the importance of historical documents, how they are used to decipher history. Students will practice using historical documents, summarizing and synthesing information. Students will also practice unit conversions and solving real world problems using volume and area formulas. Background Read Who Built the Castillo . Preparation Please review Background Information and Procedure sections. Materials Download Solving Word Problems-Volume & Area Lesson Hook/Preview In this lesson, students will lea Duration: 90 Minutes.