Teaching High School Mathematics; First Course; Comparing Real Numbers: The Number Line
Max Beberman teaches students how to compare real numbers. He explores whether the concept of "less than" comes from the number line
or must the student have the set or real numbers ordered before lining up makes sense. He and the class then establish a test for comparing real numbers. Black and white picture with sound.
Eastman Kodak edge code reads "square triangle," which correlates to 1965.
University of Illinois Committee on School Mathematics (producer)