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PDF] The van Hiele Model of Thinking in Geometry among Adolescents. Journal for Research in Mathematics Education Monograph Number 3. | Semantic Scholar
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Examining the influence of van Hiele theory-based instructional activities on elementary preservice teachers' geometry knowledge for teaching 2-D shapes - ScienceDirect
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Mathemathik Begriffsbildung, Hiele-Modell - Vier Wege der Begriffsgewinnung und das van Modell - StuDocu
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secondary education - Phrasing the Van Hiele levels in student-friendly language - Mathematics Educators Stack Exchange
![Brian Bushart 🏳️🌈 on Twitter: "If you teach geometry and you're not familiar with the van Hiele model for geometric understanding, be sure to read up on it. Van De Walle's Teaching Brian Bushart 🏳️🌈 on Twitter: "If you teach geometry and you're not familiar with the van Hiele model for geometric understanding, be sure to read up on it. Van De Walle's Teaching](https://pbs.twimg.com/media/D3Z41T0UwAAHWX0.jpg)
Brian Bushart 🏳️🌈 on Twitter: "If you teach geometry and you're not familiar with the van Hiele model for geometric understanding, be sure to read up on it. Van De Walle's Teaching
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