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An Analysis on the Concept and Measuring Activities of the Height of Figures in Elementary School Mathematics Textbooks2
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 Title & Authors
An Analysis on the Concept and Measuring Activities of the Height of Figures in Elementary School Mathematics Textbooks2
Paek, Dae Hyun;
  PDF(new window)
 Abstract
The concept and measuring activities of the height of figures are essential to find the areas or volumes of the corresponding figures. For plane figures, the height of a triangle is defined to be the line segment from a vertex that is perpendicular to the opposite side of the triangle, whereas the height of a parallelogram(trapezoid) is defined to be the distance between two parallel sides. For the solid figures, the height of a prism is defined to be the distance of two parallel bases, whereas the height of a pyramid is defined to be the perpendicular distance from the apex to the base. In addition, the height of a cone is defined to be the length of the line segment from the apex that is perpendicular to the base and the height of a cylinder is defined to be the length of the line segment that is perpendicular to two parallel bases. In this study, we discuss some pedagogical problems on the concepts and measuring activities of the height of figures to provide alternative activities and suggest their educational implications from a teaching and learning point of view.
 Keywords
height;area;volume;measurement;learning activities;
 Language
Korean
 Cited by
 References
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