ERIC Number: EJ491813
Record Type: CIJE
Publication Date: 1994
Reference Count: 0
Now & Then: From Cashier to Scan Coordinator; From Stones to Bones to PC Clones.
Barnes, Sue; Michalowicz, Karen Dee
Mathematics Teaching in the Middle School, v1 n1 p59-65 Apr 1994
Discusses the changes in the scanning of food and the current use of computer technology and UPC bar codes in a grocery store and traces the history of calculating tools from the use of fingers, abacus, slide rule, calculators, and computers. Includes reproducible student activity sheets. (MKR)
Publication Type: Guides - Classroom - Teacher; Guides - Classroom - Learner; Journal Articles
Education Level: N/A
Audience: Teachers; Practitioners
Authoring Institution: N/A
Note: Journal available from Natl. Council of Teachers of Mathematics, 1906 Association Dr., Reston, VA 22091-1593.