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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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Asquith, Pamela; Stephens, Ana C.; Knuth, Eric J.; Alibali, Martha W. – Mathematical Thinking and Learning: An International Journal, 2007
This article reports results from a study focused on teachers' knowledge of students' understanding of core algebraic concepts. In particular, the study examined middle school mathematics teachers' knowledge of students' understanding of the equal sign and variable, and students' success applying their understanding of these concepts. Interview…
Descriptors: Middle School Teachers, Mathematics Teachers, Misconceptions, Mathematics Instruction