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Textbook analysis about length estimation and exploration for an alternatives. (Korean. English summary)
J. Korean Soc. Math. Educ., Ser. E, Commun. Math. Educ. 24, No. 3, 587-610 (2010).
Summary: This paper investigates ways for the improvement of the length-estimation ability, which is recently emphasized in measurement area of mathematics education. According to preceding studies, students’ length-estimation ability is considerably low. This paper critically analyzes the contents related to length estimation in current textbooks and explores alternatives.
Classification: F72 U22 N22
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