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- W4301398546 abstract "Objectives In this study, the teaching content and teaching method of the circle area were analyzed in elementary mathematics textbooks from the 1st curriculum to the 2015 revised curriculum.
 Methods In this study, in order to compare and analyze the teaching content and teaching method of the area of a circle presented in elementary mathematics textbooks from the 1st curriculum to the 2015 revised curriculum, based on previous studies, the analysis focus was focused on the teaching content of the area of the circle(a teaching of approximation of the area of a circle, a method of finding the area of a circle using circumscribed and inscribed polygons, a method of finding the area of a circle using unit area, a method of finding the area of a circle by rearranging the circles), the basic concept of measurement of the area of a circle and the method of calculating the area of a circle.
 Results The presence or absence of an estimate of the area of a circle was different for each curriculum, and among the basic concepts of measuring the area of a circle, the concepts of division, practice, rearrangement, and arrangement structure were covered in all curriculums, but the concepts of unit repetition and approximation were different for each curriculum. In most curriculum, the area of a circle was calculated using the area of a rectangle.
 Conclusions Regarding the teaching of the area of a circle, the focus of the discussion could be divided into three (approximate map of the area of a circle, a method of presenting the concept of measuring the area of a circle, and a method of calculating the area of a circle). Based on this, implications for the teaching of the area of the circle and the development of the next textbook were derived." @default.
- W4301398546 created "2022-10-05" @default.
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- W4301398546 date "2022-09-30" @default.
- W4301398546 modified "2023-10-18" @default.
- W4301398546 title "Analysis of the teaching content and teaching method for the area of a circle by elementary mathematics curriculum: from the 1st curriculum to the 2015 revised curriculum" @default.
- W4301398546 doi "https://doi.org/10.22251/jlcci.2022.22.18.695" @default.
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