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Specialized Content Knowledge Lower Secondary School Teachers On Quadrilaterals, Sadrack Luden Pagiling, Khumaeroh Dwi Nur'aini

PYTHAGORAS : Jurnal Matematika dan Pendidikan Matematika

The teachers' knowledge of specific content has a positive relationship with the students' mathematics achievement. Mathematics teachers must have an appropriate level to ensure mathematics learning effectively. The quadrilateral is one of the essential contents in geometry. However, many teachers did not successfully deliver and teach this content in classroom instruction. Therefore, this qualitative study explores the specialized content knowledge of lower secondary teachers in defining and classifying quadrilaterals. Four teachers, two male and two female teachers, were recruited to become participants in this work. All participants have similar teaching experience and do not hold an educator certificate. A test …