\input zb-basic
\input zb-matheduc
\iteman{ZMATH 2016a.00542}
\itemau{Ko, JungHwa}
\itemti{Textbook analysis about length estimation and exploration for an alternatives.}
\itemso{J. Korean Soc. Math. Educ., Ser. E, Commun. Math. Educ. 24, No. 3, 587-610 (2010).}
\itemab
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.
\itemrv{~}
\itemcc{F72 U22 N22}
\itemut{measurement sense; length estimation; teaching; estimation ability; improvement; textbook analyses; mathematical ability; goals of mathematics education; reference point strategy; curriculum development}
\itemli{}
\end