Professor, Department of Teacher Education, Michigan State University
Conceptions and Consequences of Mathematical Argumentation, Justification, and Proof
Editors, K.N. Bieda, A.M. Conner, K.W. Kosko, and M. Staples
Connecting the NCTM Process Standards & the CCSSM Practices
Written by C. Koestler, M. Felton-Koestler, K. Bieda & S. Otten
Developing Essential Understanding of Proof and Proving: Grades 9-12
Written by A. Ellis, K. Bieda & E. Knuth