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Direct linkMwadzaangati, Lisnet; Adler, Jill; Kazima, Mercy – African Journal of Research in Mathematics, Science and Technology Education, 2022
We re-examine a Malawian teacher's lessons which, using the framework of mathematic problem-solving developed by Polya, the typology of levels of task demand from Stein and colleagues and Malawi's description of learner-centred education (LCE), were described as teacher-centred and evaluated as 'not good'. We studied seven video-recorded circle…
Descriptors: Foreign Countries, Mathematics Instruction, Lesson Plans, Secondary School Students
Mwadzaangati, Lisnet; Kazima, Mercy – African Journal of Research in Mathematics, Science and Technology Education, 2019
Understanding the proof problem is necessary in the development of geometric proof in schools. This paper discusses findings from a qualitative case study which explored the mathematical work done by teachers in helping students to understand geometric proof problems. Data were generated from two teachers through video-recorded observations of 30…
Descriptors: Mathematics Instruction, Teaching Methods, Geometry, Mathematical Logic
