The humongous black chalkboard consumed almost the entire western wall of Mr. Morrison"s math class. He would occasionally use this chalkboard to instruct his students who signed up to learn algebra, geometry, trigonometry, calculus, or physics when they especially had difficulty understanding a particular topic. All four grades of Lynwood High School students could ** for any of those courses at any hour of the day. This flexibility was convenient for students because verbal classroom instructions by Mr. Morrison was not the main method that he used to teach students who signed up for his math lab. Instead, each of the students would check out a cassette player and a cassette tape of a lecture with that week"s assignment on it. The student was also given an accompanying three-inch loose-l
