2019 AMTE: Fostering Representational Fluency: Deepening Prospective Teachers’ Understanding of Multiplication

Bajwa, N., Welder, R. M., Feldman, Z., Olanoff, D., Tobias, J. M., and Thanheiser, E. (2019, February). Fostering Representational Fluency: Deepening Prospective Teachers’ Understanding of Multiplication. Presentation for the 23rd Annual Conference of the Association of Mathematics Teacher Educators. Orlando, FL, February 2019.

Using the array model to develop prospective teachers’ understanding of multiplication and its properties

Olanoff, D., Bajwa, N. P., Feldman, Z., Thanheiser, E., Welder, R. M., & Tobias, J. M. (2018). Using the array model to develop prospective teachers’ understanding of multiplication and its properties. In T. E. Hodges, G. J. Roy, & A. M. Tyminski (Eds.), Proceedings of the 40th Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education (p. 833). Greenville, SC: University of South Carolina & Clemson University.

2018 PME-NA: Using the Array Model to Develop Prospective Teachers’ Understanding of Multiplication and its Properties

Olanoff, D., Bajwa, N., Feldman, Z., Thanheiser, E., Welder, R. M., & Tobias, J. M. (2018, November). Using the Array Model to Develop Prospective Teachers’ Understanding of Multiplication and its Properties. Poster presentation for the 40th Annual Conference of the North American Chapter of the International Group for the Psychology of Mathematics Education. Greenville, SC: South Carolina University.

Greater number of larger pieces: A strategy to promote prospective teachers’ fraction number sense development

Olanoff, D., Feldman, Z., Welder, R. M., Tobias, J. M., Thanheiser, E., & Hillen, A. (2016). Greater number of larger pieces: A strategy to promote prospective teachers’ fraction number sense development. In M. B. Wood, E. E. Turner, M. Civil, & J. A. Eli (Eds.), Proceedings of the 38th Annual Conference of the North American Chapter of the International Group for the Psychology of Mathematics Education (pp. 799-805). Tucson, AZ: University of Arizona.

2016 PME-NA: Greater Number of Larger Pieces: A Strategy to Promote Prospective Teachers’ Fraction Number Sense Development

Olanoff, D., Feldman, Z., Welder, R. M., Tobias, J. M., Thanheiser, E., Hillen, A. (2016, November). Greater Number of Larger Pieces: A Strategy to Promote Prospective Teachers’ Fraction Number Sense Development. Presentation at the 38th Annual Conference of the North American Chapter of the International Group for the Psychology of Mathematics Education. Tucson, Arizona.
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Modifying children’s tasks into cognitively demanding tasks for preservice elementary teachers

Welder, R. M., Tobias, J. M., Feldman, Z., Hillen, A., Olanoff, D., & Thanheiser, E. (2015). Modifying children’s tasks into cognitively demanding tasks for preservice elementary teachers. In T. G. Bartell, K. N. Bieda, R. T. Putnam, K. Bradfield, & H. Dominguez (Eds.), Proceedings of the 37th Annual Conference of the North American Chapter of the International Group for the Psychology of Mathematics Education (pp. 984-987). East Lansing, MI: Michigan State University. 

2015 PME-NA: Modifying children’s tasks into cognitively demanding tasks for preservice elementary teachers

Welder, R. M., Tobias, J. M., Feldman, Z., Hillen, A., Olanoff, D., & Thanheiser, E. (2015, November). Modifying Children’s Tasks into Cognitively Demanding Task for Preservice Elementary Teachers. Presentation for the 37th Annual Conference of the North American Chapter of the International Group for the Psychology of Mathematics Education. East Lansing, MI: Michigan State University.
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2014 PME: Facilitating Prospective Teachers’ Fraction Number Sense Development Through Problem Solving and Problem Posing

Olanoff, D., Hillen, A. F., Tobias, J. M., Welder, R. M., Thanheiser, E., & Feldman, Z. (July 2014). Facilitating Prospective Teachers’ Fraction Number Sense Development Through Problem Solving and Problem Posing. Short oral presentation at the 38th Annual Conference of the International Group for the Psychology of Mathematics Education. Vancouver, CA: University of British Columbia.
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Facilitating prospective teachers’ fraction number sense development through problem solving and problem posing

Olanoff, D., Hillen, A. F., Tobias, J. M., Welder, R. M., Thanheiser, E., & Feldman, Z. (2014). Facilitating prospective teachers’ fraction number sense development through problem solving and problem posing. In P. Liljedahl, C. Nicol, S. Oesterle, & D. Allan (Eds.), Proceedings of the 38th Conference of the International Group for the Psychology of Mathematics Education (Vol. 6; p. 187). Vancouver, Canada: PME.

2014 R.L. Moore Legacy Conference: Modifying Children’s Mathematical Tasks for Use in Inquiry-Based Learning Content Courses for Prospective Elementary Teachers

Olanoff, D., Hillen, A., Thanheiser, E., Welder, R. M., Feldman, Z., & Tobias, J. M. (2014, June). Modifying Children’s Mathematical Tasks for Use in Inquiry-Based Learning Content Courses for Prospective Elementary Teachers. Presentation at the 17th Annual Legacy of R.L. Moore—Inquiry-Based Learning Conference. Denver, Colorado.
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2014 AMTE: Modifying Children’s Mathematical Tasks for Use in Content Courses for Prospective Elementary Teachers

Hillen, A., Olanoff, D., Welder, R. M., Feldman, Z., Tobias, J. M. & Thanheiser, E. (February 2014). Modifying Children’s Mathematical Tasks for Use in Content Courses for Prospective Elementary Teachers. Extended Session (Workshop) at the 18th Annual Conference of the Association of Mathematics Teacher Educators. Irvine, California.
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Developing Mathematical Tasks for Teachers