Journal Articles
Preservice and novice teachers’ knowledge on preformal proofs: Triangle postulate as an example
- Preservice and novice teachers’ knowledge on preformal proofs: Triangle postulate as an example
- Mathematics Teacher Education and Development, 19(2), 51-80, 2017
- Mathematics Education Research Group of Australasia
- 2017
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- Hong Kong
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- 1997.7 onwards
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- Post-Secondary Education
- By considering the example of proving the triangle postulate, this study aimed to explore Hong Kong preservice and novice teachers' knowledge competencies and their beliefs about preformal and formal proofs. The findings revealed that such teachers are not proficient in using preformal proofs and do not realize that preformal proofs are a useful tool for connecting abstract geometrical concepts with concrete meanings. We conclude by providing strategies for teachers to use preformal proofs effectively in their teaching of geometric propositions. Copyright © 2017 Mathematics Education Research Group of Australasia, Inc
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- English
- Journal Articles
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- 14423901
- https://bibliography.lib.eduhk.hk/en/bibs/d982451d
- 2018-09-10
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