publication venue for
- Identifying and Supporting Teachers' Robust Understanding of Proportional Reasoning. 62:100873. 2021
- Eliminating Counterexamples: An Intervention for Improving Adolescents' Contrapositive Reasoning. 59:100794. 2020
- Facilitating video-based discussions to support prospective teacher noticing. 54:UNSP 100681. 2019
- Definite integral registers using infinitesimals. 48.0:152.0-167.0. 2017
- Eliminating counterexamples: A Grade 8 student's learning trajectory for contrapositive proving. 45.0:150.0-166.0. 2017
- Prospective elementary teachers’ claiming in responses to false generalizations. 39:79-99. 2015
- Undergraduates’ use of examples in online discussions. 33:180-191. 2014
- Envisioning the infinite by projecting finite properties. 30:1-18. 2011
- How some research mathematicians and statisticians use proof in undergraduate mathematics. 30:115-130. 2011
- Why it is important for in-service elementary mathematics teachers to understand the equality .999…=1. 30:304-318. 2011