Biblioteca de la Universidad Complutense de Madrid

Influence of number type and analysis of errors in computational estimation tasks


De Castro Hernández, Carlos y Castro Martínez, Enrique y Segovia Álex, Isidoro (2002) Influence of number type and analysis of errors in computational estimation tasks. In Proceedings of the 26th Conference of the International group for the Psychology of Mathematics Education. University of East Anglia, Norwich, UK, pp. 201-208. ISBN 0-9539983-6-3

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In this study we analyze the difficulty of computational estimation tasks –with operations without context– in function of the operation type –multiplication and
division– and number type –whole, decimal greater than one and decimal less than one– that appears in them. Errors made in estimating with decimal numbers less than one are also analyzed. The research counts with the participation of 53 preservice elementary teachers. An estimation test is administered to the teachers and some of them are selected to accomplish interviews. The conclusion is that estimating with decimals less than one is more difficult than with whole numbers or decimals greater than one, and most of the errors –but not all– produced in estimation processes is
due to teachers’ misconceptions about operations of multiplication and division.

Tipo de documento:Sección de libro
Palabras clave:Mathematics Education, Computational Estimation, Decimals, Errors, Teacher Education, Educación Matemática, Estimación en cálculo, Decimales, Errores, Formación de Maestros
Materias:Humanidades > Educación > Enseñanza de las Matemáticas
Código ID:12633

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Depositado:04 May 2011 11:19
Última Modificación:06 Feb 2014 09:29

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