Olanoff, D., Tobias, J. M., Bajwa, N., Thanheiser, E., Welder, R. M., and Feldman, Z. (2020, February). Tasks for Teachers: Approaches to the Design of Tasks for Preservice and Inservice Learners. Presentation for the 24th Annual Conference of the Association of Mathematics Teacher Educators. Phoenix, AZ, February 2020.
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.
2018 NE RUME: Designing Tasks for Mathematics Content Courses for Prospective Teachers
Tobias, J. M., & Olanoff, D. (2018). Designing Tasks for Mathematics Content Courses for Prospective Teachers. Presentation for the 2nd Northeastern Research in Undergraduate Mathematics Education Conference. New Brunswick, NJ.
2017 AMTE: Fraction Learning Trajectories in Content Courses for Prospective K-8 Teachers
Tobias, J. M., Feldman, Z., Welder, R. M., Dana Olanoff, D. (2017, February). Fraction Learning Trajectories in Content Courses for Prospective K-8 Teachers. Presentation at the 21st Annual Conference of the Association of Mathematics Teacher Educators. Orlando, Florida.
SLIDES | HANDOUT
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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Reflective analysis as a tool for task redesign: The case of prospective elementary teachers solving and posing fraction comparison problems
Thanheiser, E., Olanoff, D., Hillen, A., Feldman, Z., Tobias, J. M., & Welder, R. M. (2016). Reflective analysis as a tool for task redesign: The case of prospective elementary teachers solving and posing fraction comparison problems. Journal of Mathematics Teacher Education, 19(2-3), 123-148.
When is a mathematical task a good task?
Feldman, Z., Thanheiser, E., Welder, R. M., Tobias, J. M., Hillen, A. F., & Olanoff, D. (2016). When is a mathematical task a good task? In L. C. Hart, S. Oesterle, S. S. Auslander, & A. Kajander (Eds.), The Mathematics Education of Elementary Teachers: Issues and Strategies for Content Courses (pp. 9-24). Charlotte, NC: Information Age Publishing.
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.
SLIDES
2015 NCTM: Moving Beyond Common Denominators: Comparing Fractions Using Reasoning and Sense-Making
2015 AMTE: Using Reflective Analysis to Modify Mathematical Tasks After Enactment
Tobias, J. M., Hillen, A., Olanoff, D., Welder, R. M., Thanheiser, E., & Feldman, Z. (2015, February). Using Reflective Analysis to Modify Mathematical Tasks After Enactment. Presentation at the 19th Annual Conference of the Association of Mathematics Teacher Educators. Orlando, Florida.
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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.
SLIDES
2014 PME: Prospective Elementary Teachers’ Analysis of Student Thinking
Feldman, Z., Tobias, J. M., Olanoff, D., Thanheiser, E., Hillen, A. F., & Welder, R. M. (July 2014). Prospective Elementary Teachers’ Analysis of Student Thinking. Short oral presentation at the 38th Annual Conference of the International Group for the Psychology of Mathematics Education. Vancouver, CA: University of British Columbia.
SLIDES
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.
SLIDES | HANDOUT
Prospective elementary teachers’ analysis of student thinking
Feldman, Z., Tobias, J. M., Olanoff, D., Thanheiser, E., Hillen, A. F., & Welder, R. M. (2014). Prospective elementary teachers’ analysis of student thinking. 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. 67). Vancouver, Canada: PME.
Research-based modifications of elementary school tasks for use in teacher preparation
Tobias, J. M., Olanoff, D., Hillen, A., Welder, R. M., Feldman, Z., & Thanheiser, E. (2014). Research-based modifications of elementary school tasks for use in teacher preparation. In K. King (Ed.), Annual Perspectives in Mathematics Education: Using Research to Improve Instruction (pp. 181-192). Reston, VA: National Council of Teachers of Mathematics.