Zero, the troublemaker

Copyright: Registered 21Jun72 · MP23404 (Jan-Jun 1973) Copyright holder: Coronet Instructional Films, a division of Esquire, Inc

Description: Uses animated numerals to show the role of zero in addition and subtraction, and its special use as a place holder for other numerals. Indicates how useful zero can be in both small and large numbers. Suitable for lower and middle primary levels.