Teaching High School Mathematics; First Course; Basic Principles for Real Numbers Part II Distributive Principles for Numbers of Arithmetic; Discovery and Use
Max Beberman teaches mathematics instructors how to help students to recognize the distributive principle for multiplication over
addition. He discusses constructing exercises that allow children to determine whether subtraction and division are commutative or associative operations. 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)