A study on the classification of triangles by angles in elementary school mathematics. (Korean. English summary)

J. Korean Soc. Math. Educ., Ser. C, Educ. Prim. Sch. Math. 18, No. 1, 45-59 (2015).

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A case study on high school studentsâ€™ mental image in the process of solving regular polyhedron problems. (Korean. English summary)

J. Korean Soc. Math. Educ., Ser. A, Math. Educ. 53, No. 4, 493-507 (2014).

2

The relation of the angle sum of a triangle and the property of parallel lines in elementary school mathematics. (Korean. English summary)

J. Korean Soc. Math. Educ., Ser. C, Educ. Prim. Sch. Math. 16, No. 2, 183-192 (2013).

3

Teaching fractional division: a basic research for practical application of the context of determination of a unit rate. (Korean. English summary)

J. Korean Soc. Math. Educ., Ser. C, Educ. Prim. Sch. Math. 16, No. 2, 93-106 (2013).

4

Understanding the properties of geometric figures through the linear transformation and its implication for school mathematics. (Korean. English summary)

J. Korea Soc. Math. Educ. Ser. A, Math. Educ. 47, No. 4, 437-445 (2008).

5

Attribution investigation on little effect caused by education curriculum to pre-service mathematics teachers. (Chinese. English summary)

J. Math. Educ. (Tianjin) 17, No. 5, 41-43 (2008).

6

Development of teaching knowledge for prospective teachers of senior high school math in one class. (Chinese. English summary)

J. Math. Educ. (Tianjin) 16, No. 2, 51-54 (2007).

7

A re-examination of the area formula of triangles as an invariant of Euclidean geometry. (English)

J. Korea Soc. Math. Educ. Ser. A, Math. Educ. 45, No. 3, 367-373 (2006).

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