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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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From the Archives...Subtraction in the United States: An Historical Perspective.
Peer reviewed Peer reviewed
Ross, Susan; Pratt-Cotter, Mary – Mathematics Educator, 2000
Reviews the historical development of subtraction algorithms used in the United States. Discusses different algorithms used and developed throughout history that had a major impact on the way subtraction is taught today. (Contains 22 references.) (ASK)
Descriptors: Algorithms, Educational History, Elementary Education, Elementary School Mathematics
Subtraction in the United States: An Historical Perspective.
Peer reviewed Peer reviewed
Ross, Susan; Pratt-Cotter, Mary – Mathematics Educator, 1997
Reviews the historical development of subtraction algorithms used in the United States. Indicates that the algorithms used to teach subtraction have not changed much in the last 40 years, but in the late 1800s and early 1900s, different algorithms were developed that had a great impact. Contains 22 references. (DDR)
Descriptors: Algorithms, Arithmetic, Concept Formation, Elementary Education