Children’s length estimation performance and strategies in standard and non-standard units of measurement
Tipo de documento
Autores
Lista de autores
Desli, Despina y Giakoumi, Maria
Resumen
This study aimed to examine elementary school children’s performance and strategies when estimating linear measurements. 46 third-graders and 41 fifth-graders were asked to estimate the length of various objects in a series of tasks that looked at units of measurement and task context. The children’s performance was quite poor and was influenced by age. Both age groups gave better length estimates when non-standard units of measurement were used rather than when centimeters (standard units) were used. Significant differences were revealed in estimating objects with different orientations, whereas no differences were found when estimating objects presented in different backgrounds or objects of three dimensions. Unit iteration and use of benchmarks were the most common strategies found, with differences in children’s frequency use, however, depending on the presence of standard or non-standard units of measurement.
Fecha
2017
Tipo de fecha
Estado publicación
Términos clave
Estimación de medidas | Magnitudes | Métodos estadísticos | Tareas
Enfoque
Nivel educativo
Idioma
Revisado por pares
Formato del archivo
Volumen
7
Número
3
Rango páginas (artículo)
61-84
ISSN
22380345
Referencias
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