- Research Article
- 10.1080/14794802.2025.2548803
Adults’ responses to children’s geometrical reasoning
- Oct 04, 2025
- Research in Mathematics Education
- Esther S Levenson + 4 more +4
ABSTRACT This study investigates adults’ geometrical knowledge for supporting young children’s identification of triangles and circles, as well as how they would respond to children’s reasoning. Questionnaires were handed out to 142 adults, none of whom were early childhood educators. Participants were requested to identify various examples and nonexamples of triangles and circles, and explain their reasoning. They were also requested to evaluate the identifications and accompanying reasoning of a fictious kindergarten child regarding those same figures. Findings indicated most adults correctly identified the figures, except for two non-intuitive nonexamples that adults identified incorrectly. Most explanations given for correct identification were geometrically sufficient. When evaluating a fictitious child’s identification and reasoning, some adults who correctly identified figures and who provided geometrically sufficient explanations, were willing to accept insufficient explanations from children. Adults’ reasons for accepting both sufficient and insufficient explanations are discussed.
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