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Mental Computation Performance and Strategy Use of Japanese Students in Grades 2, 4, 6, and 8.
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Reys, Robert E.; And Others – Journal for Research in Mathematics Education, 1995
Assessed attitude, computational preferences, and mental computational performance of 176, 187, 186, and 206 Japanese students in grades 2, 4, 6, and 8, respectively. Found wide ranges of performance on mental computation, that visual modes of presentation increased performance levels, and a narrow range of strategies. Contains assessments. (37…
Descriptors: Attitudes, Computation, Elementary School Students, Elementary Secondary Education
Identification and Characterization of Computational Estimation Processes Used by Inschool Pupils and Out-of-School Adults. Final Report.
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Reys, Robert E.; And Others – 1980
This study focuses on the mental processes used during estimation. This research: (1) developed an operational definition of estimation; (2) created an instrument to identify exceptionally good estimators; (3) collected performance level data on 1187 subjects; (4) constructed interview problems and developed protocols to identify the thinking…
Descriptors: Cognitive Processes, Cognitive Style, Educational Research, Learning Theories
Implementing the Standards. Estimation--Direction from the Standards.
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Reys, Barbara J.; Reys, Robert E. – Arithmetic Teacher, 1990
Discusses the implementation of teaching estimation as portrayed in the NCTM Standards. Presents two instructional examples. (YP)
Descriptors: Arithmetic, Computation, Elementary Education, Elementary School Mathematics