Abacus

Duration: 11 min

Genre: Educational

Year Published: 1950

Creator: Avis

Format: 16mm

Color: Color

Sound: Silent

Description: Beautiful color. Shows how to use the open-end abacus. Discusses the history of the decimal number system and principles of its use, such as grouping in addition, regrouping in subtraction and comparison of number values. Great UNIVAC footage a

Complete Record: explains abacus and counting concept. sheep herd Arab counting stones in the sand subtraction CU shot of Abacus’s hand punches CU adding machine CU of odometer, electric meter, film footage counter. film footage on reel with gloved hand MCU kids discover use of Abacus with teacher looks on. Beautiful color. Shows how to use the open-end abacus. Discusses the history of the decimal number system and principles of its use, such as grouping in addition, regrouping in subtraction and comparison of number values. Great UNIVAC footage a

Online Copy: https://www.youtube.com/watch?v=iB1TmB6DQTE

Metadata Source:Educational film guide. Supplements (1959-62)