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Debbie Marie B. Verzosa Maria Alva Q. Aberin Len Patrick Dominic M. Garces 《International Journal of Mathematical Education in Science & Technology》2019,50(5):766-778
This paper presents apps designed to assist students in understanding and developing proofs in geometric theorems. These technologies focus on triangle congruence, triangle similarity and properties of parallelograms. Focus group discussions and initial testing of the apps revealed that the apps offered a more engaging medium for learning proving and were capable of facilitating proof-writing skills in geometry. 相似文献
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Pessia Tsamir Dina Tirosh Tommy Dreyfus Ruthi Barkai Michal Tabach 《The Journal of Mathematical Behavior》2009,28(1):58-67
Calls for reform in mathematics education around the world state that proofs should be part of school mathematics at all levels. Turning these calls into a reality falls on teachers’ shoulders. This paper focuses on one secondary school teacher's reactions to students’ suggested proofs and justifications in elementary number theory. To determine whether the justifications are acceptable, the teacher used not only her SMK regarding mathematical aspects, but also her PCK about what a student giving this justification might know or not know. A discussion of the findings is followed by some questions that arise. 相似文献
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