The teacher's guide contains the answer keys, along with PowerPoint presentations that include video files for classroom practice. Understanding the Focus of Units 7, 8, and 9
Based on common study guides, here are the years for the corresponding events in Unit 7.9: Sinking of the Titanic 1914: Start of World War I 1903: Wright brothers' first flight 1980: Young women's hairstyle 1913: First crossword puzzle 1908: First Ford car sold 2008: Barack Obama elected President 1968: Hippie clothing style 1906: San Francisco earthquake 2012: London hosts Summer Olympics Key Rules for Signing Years in ASL signing naturally 79 answer key