PROCEEDINGS OF THE 20TH ANNUAL CONFERENCE ON RESEARCH IN UNDERGRADUATE MATHEMATICS EDUCATION
2017
San Diego, California
Speaking with meaning about angle measure and the sine function
Page: 1651
Researchers have reported on the difficulties K-12 students, pre-service and in-service teachersexperience in reasoning and communicating about angle, angle measure and trigonometricfunctions. This work extends the existing literature to highlight that even mathematicallysophisticated individuals (e.g., PhD mathematics students) often struggle to speak with meaningabout these ideas sans targeted interventions to support them in doing so. We share tasks anddata from semi-structured clinical interviews conducted with graduate teaching assistants tohighlight differences in communication about these ideas pre- versus post-intervention.Keywords: