# Publications

★ work written with doctoral students

## Peer-Reviewed Journal Articles

Smith, M. & **Chao, T.** (in press). Critical Science and Mathematics Early Childhood Education: Theorizing Reggio, Play, and Critical Pedagogy into an Actionable Cycle. *Education Sciences.*

★ Ahmed, I., & **Chao, T.** (2018). Assistive learning technologies for students with visual impairments: A critical rehumanizing review. *Investigations in Mathematics Learning*, *0*(0), 1–13. doi.org/10.1080/19477503.2018.1463005

Murray, E., Durkin, K., **Chao, T**., Vig, R., Star, J.R. (2018). Exploring Connections Between Content Knowledge, Pedagogical Content Knowledge, and the Opportunities to Learn Mathematics: Findings from the TEDS-M Dataset. *Mathematics Teacher Education and Development.*

Farland-Smith, D. & **Chao, T**. (2017). What are my children watching? Analyzing the scientific & mathematical questions of preschool television shows using process skills. *Creative Education.*

**Chao, T.,** Chen, J. A., Star, J. R., & Dede, Chris. (2016). Using digital resources for motivation and engagement in learning mathematics: Reflections from teachers and students. *Digital Experiences in Mathematics Education.*

**Chao, T., **Jones, D. (2016) That’s Not Fair and Why: Developing Social Justice Mathematics Activists in Pre-K. *Teaching for Excellence and Equity in Mathematics.*

**Chao, T.,** Murray, E., Star, J. R. (2016). Helping Mathematics Teachers Develop Noticing Skills: Utilizing Smartphone Technology for One-on-One Teacher/Student Interviews. *Contemporary Issues in Technology and Teacher Education.*

Star, J. R., Chen, J. A., Taylor, M. W., Durkin, K., Dede, C., & **Chao, T.** (2014). Studying technology-based strategies for enhancing motivation in mathematics. *International Journal of STEM Education*, *1*(1), 7. doi:10.1186/2196-7822-1-7

## Practitioner Articles

**Chao, T.** (2017). Fair Snack Sharing. *Teaching Children Mathematics*, *23*(6).

**Chao, T.** (2016). That’s My Number. *Teaching Children Mathematics*, *22*(9).

**Chao, T**., Murray, E. C., & Gutiérrez, R. (2014). *NCTM Equity Pedagogy Research Brief: What Are Classroom Practices That Support Equity-Based Mathematics Teaching?* Reston, VA: National Council of Teachers of Mathematics.

**Chao, T. **(2013) Tips for Critical Math Teaching, In A. Miglietta, L. Smith, & D. Stovall (Eds.), *Chicago Grassroots Curriculum Taskforce Toolkit*. Chicago, IL: Chicago Grassroots Curriculum Taskforce.

Brown, L., Hull, S., & **Chao, T.** (2010). *Improving student achievement in mathematics by promoting positive self-beliefs* (Position Paper). National Council of Supervisors of Mathematics Position Papers. Denver, CO.

## Book Chapters

**Chao, T.**, Maldonado, L., Kalinec-Craig, C., & Celedón-Pattichis, S. (in press). Getting ready: Activities for preparing prospective elementary mathematics teachers to critically engage with the TEACH MATH Modules. In T. G. Bartell, C. Drake, A. Roth McDuffie, J. M. Aguirre, E. E. Turner, & M. Q. Foote (Eds.), *Transforming Mathematics Teacher Education: An Equity-Based Approach*. Switzerland: Springer.

Kalinec-Craig, C., **Chao, T.,** Maldonado, L., & Celedón-Pattichis, S. (in press). Reflecting back to move forward: Using the mathematics autobiography to open humanizing learning spaces for prospective mathematics teachers. In T. G. Bartell, C. Drake, A. Roth McDuffie, J. M. Aguirre, E. E. Turner, & M. Q. Foote (Eds.), *Transforming Mathematics Teacher Education: An Equity-Based Approach*. Switzerland: Springer.

**Chao, T.,** & Jones, D. (2017). “What Color Are Our Feet?”: Empowering Prekindergarteners’ Statistical Reasoning through Opportunities to Create, Discuss, and Own Visual Representations. In S. Celedón-Pattichis, D. Y. White, & M. Civil (Eds.), *Access and Equity: Promoting high quality mathematics in grades K-2*. Reston, VA: National Council of Teachers of Mathematics.

** ****Chao, T.**, Hale, J. J., & Cross, S. B. (2017). Experiences using clinical interviews in mathematics methods courses to empower pre-service teachers: A conversation among three critical mathematics educators. In S. Kastberg, A. M. Tyminski, A. Lischka, & W. Sanchez (Eds.), *Building Support for Scholarly Practices in Mathematics Methods*. Charlotte, NC: Information Age Publishing.

Marshall, A. M., & **Chao, T.** (2017). Using Mathematics Autobiography Stories to Support Emerging Elementary Mathematics Teacher Sociopolitical Consciousness and Identity. In S. Kastberg, A. M. Tyminski, A. Lischka, & W. Sanchez (Eds.), *Building Support for Scholarly Practices in Mathematics Methods*. Charlotte, NC: Information Age Publishing.

McCloskey, A., Lawler, B., & **Chao, T.** (2017). The “Mirror Test:” A tool for reflection on our sociopolitical identities as mathematics teacher educators. In S. Kastberg, A. M. Tyminski, A. Lischka, & W. Sanchez (Eds.), *Building Support for Scholarly Practices in Mathematics Methods*. Charlotte, NC: Information Age Publishing.

Star, J. R., Chen, J. A., Taylor, M. W., Durkin, K., Dede, C., & **Chao, T**. (2015). Evaluating Game-Based Learning Environments for Enhancing Motivation in Mathematics. In J. Torbeyns, E. Lehtinen, & J. Elen (Eds.), *Describing and Studying Domain-Specific Serious Games*. New York, NY: Springer.

**Chao, T.** (2014). Photo-Elicitation/Photovoice interviews to study mathematics teacher identity. In J. J. Lo, K. Leatham, & L. Van Zoest (Eds.), *Research Trends in Mathematics Teacher Education*. Switzerland: Springer International Publishing. Retrieved from http://www.springer.com/us/book/9783319025612

**Chao, T.,** Empson, S. B., & Shechtman, N. (2010). A principal components model of SimCalc Mathworlds. In R. Lesh, P. L. Galbraith, C. R. Haines, & A. Hurford (Eds.), *Modeling Students’ Mathematical Modeling Competencies* (pp. 555-560). New York, NY: Springer.

** **

# Conferences

** **Peer-Reviewed Conference Proceedings

★ **Chao, T**., & Corral, M. (2018). Critical Mathematics Teacher Noticing: Using Online Technology to Explore How Pre-service Teachers of Color Confront their Peers’ Racial Positionings of Children. In T. Hodges, G. Roy, & A. Tyminski (Eds.), *Proceedings of the 40th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education.* Greenville, SC: Clemson University and University of South Carolina.

★ Dennett, E. & **Chao, T.** (2018). Using tablet technology to promote parent/child mathematical dialogue. In T. Hodges, G. Roy, & A. Tyminski (Eds.), *Proceedings of the 40th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education.* Greenville, SC: Clemson University and University of South Carolina.

★ Lin, Hochieh,** Chao, T**., Auble, D., & Tan, Chengzhi. (2018). Seeking mathematics help in physical and virtual spaces. In T. Hodges, G. Roy, & A. Tyminski (Eds.), *Proceedings of the 40th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education.* Greenville, SC: Clemson University and University of South Carolina.

★Lewis, S.T., **Chao, T**., & Battista, M. (2017). MathVision: A mobile video application for math teacher noticing of learning progressions. In E. Galindo & J. Newton (Eds.), *Proceedings of the 39th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education.* Indianapolis, IN: Indiana University.

★Lin, H., & **Chao, T**. (2017). Can I measure that with my phone?: Mobile measurement apps for long lengths. In E. Galindo & J. Newton (Eds.), *Proceedings of the 39th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education.* Indianapolis, IN: Indiana University.

**Chao, T**., & Murray, E. C. (2015). Empowering Pre-Service Teachers to Enact Equity Pedagogy. In T. G. Bartell, K. N. Bieda, R.T. Putnam, K. Bradfield, & H. Dominguez (Eds.), *Proceedings of the 37th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education.* East Lansing, MI: Michigan State University.

**C****hao, T**., & Murray, E. C. (2015). Mathematics Teaching as Lean Thinking: A Software Development Metaphor Where Teachers Listen and Notice. In T. G. Bartell, K. N. Bieda, R.T. Putnam, K. Bradfield, & H. Dominguez (Eds.), *Proceedings of the 37th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education*. East Lansing, MI: Michigan State University.

★Lewis, S. T., Winer, M. L., Kellert, H., & **Chao, T**. (2015). Elementary Students’ Spatial Reasoning in a Minecraft Environment. In T. G. Bartell, K. N. Bieda, R.T. Putnam, K. Bradfield, & H. Dominguez (Eds.), *Proceedings of the 37th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education*. East Lansing, MI: Michigan State University.

**Chao, T.**, & Murray, E. C. (2013). Teacher asynchronous noticing to foster students’ mathematical thinking. In A. C. Superfine, M. Martinez, G. Larnell, T. Stoelinga, & D. B. Martin (Eds.), *Proceedings of the 35th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education*. Chicago: University of Illinois at Chicago.

**Chao, T.**, & Schiller, L. (2013). Teacher tension: When sharing student strategies conflicts with the learning trajectory. In A. C. Superfine, M. Martinez, G. Larnell, T. Stoelinga, & D. B. Martin (Eds.), *Proceedings of the 35th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education*. Chicago: University of Illinois at Chicago.

**Chao, T., **& Empson, S. (2011). Unveiling mathematics teachers’ professional and personal identities using photo-elicitation interviews. In L. Wiest & T. Lamberg (Eds.), *Proceedings of the 33rd annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education* (p. 1269-1277). Reno, NV: University of Nevada, Reno.

**Chao, T.,** & Petrick, C. (2010). Measuring beliefs about conceptual progression among pre-service special education teachers. In P. Brosnan, D. B. Erchick, & L. Flevares (Eds.), *Proceedings of the 32nd annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education* (pp. 926-933). Columbus, OH: The Ohio State University.

**Chao, T.,** Empson, S. B., & Shechtman, N. (2007). A principal components analysis of rate and proportionality using SimCalc MathWorlds. In T. Lamberg & L. Wiest (Eds.), *Proceedings of the 29th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education* (pp. 145-147). Stateline (Lake Tahoe), NV: University of Nevada, Reno.

## Refereed Conference Presentations

★ Corral, M., Jones, D., & **Chao, T**. (2019). *Critical Early Childhood Mathematics for Children of Color.* Paper session presented at the Mathematics Education and Society 10th international Conference, Hyderabad, India.

**Chao, T.**, Dennett, E., Lin, Hochieh, & Ozturk, A. (2018) *Mathematics Teacher Education in the Age of Twitter: A Critical Tool in Elementary Math Methods.* Paper session presented at the Association of Mathematics Teacher Educators annual meeting, Orlando, FL.

** **Marshall, A. M., McCloskey, A., Lawler, B., &** Chao, T.** (2018) *“Math is racist now? You don’t believe that, do you?”: Supporting Courageous Conversations. *Paper session presented at the Association of Mathematics Teacher Educators annual meeting, Orlando, FL.

**Chao, T.**, Eli, J. A., Kokka, K., & Yeh, C. (2018). *Critical Issues in Working with Asian American Students*. Panel session presented at the National Council of Supervisors of Mathematics Annual Conference, Washington, DC.

Berry III, R. Q., **Chao, T.,** Gholson, M., Goffney, I. M., Hoover, M., Khalil, D., & Willis, A. (2018). *Exploring Equity in the Context of Mathematics Teacher Education Practice*. Research Symposium presented at the National Council of Teachers of Mathematics Research Conference, Washington, DC.

Crespo, S., **Chao, T.,** & Yow, J. (2018). *Could I publish this in MTE? Advice from published manuscripts in the Mathematics Teacher Educator journal*. Invited Session presented at the National Council of Teachers of Mathematics Research Conference, Washington, DC.

**Chao, T.** (2018). *“Not that different from where I’m from”: Community mathematics explorations in a low-income, white c**ommunity*. Paper presented at the annual meeting of AERA as part of the symposium, “Community Mathematics Explorations 2.0: Expanding on the Work of TEACH Math,” New York, NY.

Berry III, R. Q., **Chao, T.,** Gholson, M., Goffney, I. M., Hoover, M., Khalil, D., & Willis, A. (2018). *Exploring Equity in the Context of Mathematics Teacher Education Practice: A Town Hall Discussion*. Symposium presented at the American Educational Research Association annual meeting, New York, NY.

Kokka, K., & **Chao, T.** (2018). *Asian American Male Math Teachers, the Model Minority Myth, and Internalized Racism*. Invited Speaker Session presented at the American Educational Research Association annual meeting, New York, NY.

★ Yeh, C., Stoehr, K. J., **Chao, T.**, Ozturk, A., & Lin, H. (2018). *Attending to the social, historical, and institutional contexts of education in mathematics methods courses*. Extended session presented at the Association of Mathematics Teacher Educators annual meeting, Houston, TX.

**Chao, T.** (2017). *Instructional Practices.* Presented at the Innov8 Bar at the NCTM Innov8 Conference, Las Vegas, NV.

**Chao, T.** (2017). *Twitter/Blog Talk.* Presented at the Innov8 Bar at the NCTM Innov8 Conference, Las Vegas, NV.

**Chao, T.** (2017). *Article Talk: “That’s Not Fair and Why: Developing Social Justice Mathematics Activists in Pre-K”.* Presented at the Innovation Lounge at the NCTM Innov8 Conference, Las Vegas, NV.

★ **Chao, T.** & Lewis, S.T. (2017). *The MathVision App: Helping Teachers Listen and Reflect Together.* Presented at the Cognitively Guided Instruction 9th Biennial Conference, Seattle, WA.

**Chao, T. **& Kokka, K. (2017). *Asian American Pacific Islander Male Mathematics Teacher Identity and the Myth of the Model Minority. *Paper presented at the annual meeting of AERA as part of the symposium, “Beyond Black, Brown, and White: A Critical Symposium of Asian American Teacher Identity”, San Antonio, TX.

★**Chao, T. **& Lewis, S.T., (2017*) So That’s What a Math Discussion Feels Like: Piloting Technology for Orchestrating Mathematics Discussions.* Paper session presented at the Association of Mathematics Teacher Educators annual meeting, Orlando, FL.

★**Chao, T. **& Lewis, S.T., (2016*) Developing Mobile/Tablet Technology For Teachers To Orchestrate Mathematical Discussion.* Oral presentation session at the 13th International Congress on Mathematical Education, Hamburg, Germany.

Soto, M., **Chao, T., **Yeh, C., Henry, V., Guarino, J. (2016) *Technology-based ways to Develop Pre-Service Teacher Noticing in Three Elementary Methods’ Courses.* Paper session presented at the Association of Mathematics Teacher Educators annual meeting, Irvine, CA.

**Chao, T.,** Jones, D., Marlowe M., Jaede, M. (2016)* That’s Not Fair and Why: Activist Mathematical Activities for Children.* Presented at the Creating Balance in an Unjust World conference, San Francisco, CA.

**Chao, T.** (2015). *Resources for Equity and Social Justice.* Presented at the Ohio Council of Teachers of Mathematics Conference, Cincinnati.

Murray, E.,** Chao, T.**, & Star, J. R. (2015). *Exploring Connections Between Content Knowledge, Pedagogical Content Knowledge, and Mathematics. *Paper presented at the European Association for Research in Learning and Instruction biennial conference as part of the symposium, “Transition from initial teacher education into teaching profession”, Limassol, Cyprus

**Chao, T.,** Jones, D., Marlowe, Smith, M., Jaede, M. (2015). *That’s Not Fair and Why: Activist Mathematical Activities for Children.* Presented at the Free Minds, Free People, Oakland, CA.

**Chao, T. & **Murray, E.C. (2015). *Using your phone to facilitate problem solving interviews.* Presented at the Cognitively Guided Instruction 8th Biennial Conference, Los Angeles, CA.

**Chao, T.** & Murray, E. C. (2015). *An Asynchronous Noticing App to Build Preservice Teachers’ Noticing: Technology in the Mathematics Methods Course.* Paper session presented at the Association of Mathematics Teacher Educators annual meeting, Orlando, FL.

**Chao, T. **& Kokka, K. (2014). *It ends with me: A profile of Asian American mathematics teachers combating the myth of the model minority. *Roundtable session presented at the American Educational Research Association annual meeting, Philadelphia, PA.

**Chao, T.** & Murray, E. C. (2014). *Teacher asynchronous noticing to foster students’ mathematical thinking.* Paper session presented at the American Educational Research Association annual meeting, Philadelphia, PA.

**Chao, T.** & Murray, E. C. (2014). *Fostering mathematics teacher asynchronous noticing through mobile video.* Individual session at the Association of Mathematics Teacher Educators annual meeting, Irvine, CA.

**Chao, T. **(2013). *Mathematics teacher anxiety: Creating and sharing personal visual narratives with students.* Roundtable session at the European Association for Research in Learning and Instruction biennial conference, Munich, Germany.

Chen, J., Durkin, K., Star, J., **Chao, T.**, & Dede, C. (2013). *Comparing the effects of technology activities on mathematics achievement and motivation. *Paper session at the European Association for Research in Learning and Instruction biennial conference, Munich, Germany.** **

Chen, J., Dede, C., Star, J., **Chao, T.**, Durkin, K., & Taylor, M. (2013). *Profiles of engagement among students participating in technology-based activities.* Poster session at American Psychological Association annual convention, Honolulu, HI.** **

**Chao, T.**, Hunt, J. & Schiller, L. (2013). *Special education: Mathematics, social justice, and students with special needs*. Presented at the Creating Balance in an Unjust World conference, San Francisco, CA.

**Chao, T.** (2012). *Using photo-elicitation interviews to study mathematics teacher identity*. Presented at the Research Pre-Session of the National Council of Teachers of Mathematics annual meeting, Philadelphia, PA.

**Chao, T.** (2012). *Exploring secondary mathematics teachers’ identities with photo-elicitation interviews*. Roundtable session presented at the American Educational Research Association annual meeting, Vancouver, British Columbia, Canada.

**Chao, T.** & Moreland, A. (2012). *Exploring identities of mid-career math and science teachers through creative and visual interviews*. Paper session presented at the American Educational Research Association annual meeting, Vancouver, British Columbia, Canada.

**Chao, T.** (2011). *Windows into teachers’ worlds: Exploring mathematics teacher identity with photo-elicitation interviews*. Roundtable session presented at the American Educational Research Association annual meeting, New Orleans, LA.

Bush-Richards, A., Schneider, C. L., Leach, L. F., Harvey, K., Fong, C. J., & **Chao, T.** (2011). *Intelligence, persistence, and problem solving: Assessing change in student beliefs over an academic youth development program*. Paper session presented at the American Educational Research Association annual meeting, New Orleans, LA.

**Chao, T.** (2011). *Framing mathematics teachers’ identities with photo-elicitation interview*. Roundtable session presented at the Consortium for Research on Teacher Education 4th Annual Teacher Education Symposium, Austin, TX.

**Chao, T.** (2011). *Framing mathematics teacher identity using photo-elicitation interviews: Research in Progress*. Presented at the 34th annual conference of the Southwest Educational Research Association, San Antonio, TX.

**Chao, T.** (2010). *Getting Deep: Using photo-elicitation to uncover how cultural, ethnic, and professional identities empower math teaching*. Presented at the Creating Balance in an Unjust World Conference, Brooklyn, NY.

**Chao, T.** (2010). *Growing wrinkles in the brain: Belief change in the AYD transition to Algebra I*. Poster session presented at the American Educational Research Association annual meeting, Denver, CO.

Schneider, C. L., **Chao, T.,** Leach, L. F., & Fong, C. J. (2010). *Effect of the Academic Youth Development Program on student beliefs*. Paper session presented at the The 33th annual conference of the Southwest Educational Research Association, New Orleans, LA.

**Chao, T.,** & Walkington, C. (2008). *Mathematics education for social justice: A brief review of the research and its relation to the Algebra Project*. Presented at the Algebra Project 25th Anniversary National Conference, “Raising the Floor: Quality Education as a Constitutional Right,” Jackson, MS.

**Chao, T.,** Empson, S. B., Greenstein, S., & Maldonado, L. (2008). *Introducing content maps as a tool to analyze connections made within a mathematics classroom: What does learning look like?* Presented at the Algebra Project 25th Anniversary National Conference, “Raising the Floor: Quality Education as a Constitutional Right,” Jackson, MS.

Empson, S. B., Greenstein, S., Maldonado, L., & **Chao, T.** (2008). *A discourse-analytic perspective on relationships between students’ opportunities to engage with mathematics and achievement gains*. Paper presented at the annual meeting of AERA as part of the symposium, “Enhancing Mathematics Learning with Technology: Civic, Teacher, Student, and Content Perspectives on Scaling Up SimCalc”, New York, NY.

**Chao, T**., Soto, S., & Stroup, W. (2007). *A multicultural implementation of Schelling’s segregation model*. Presented at the 13th International Conference on the Teaching of Mathematical Modeling and Applications, Bloomington, IN.

# Invited Talks

*Equity, Diversity, and Inclusion in Mathematics: Supportive Practices*. (2018). Keynote Presentation at the Appalachian Ohio Mathematics and Science Teaching Research Symposium: Ninth Annual Meeting, Ohio University.

*Teaching in the Age of Twitter: Utilizing Social Media Technology as a Tool for Democratizing Mathematics Teacher Education*. (2018). Invited Talk presented at the Maseeh Series, Portland State University.

*Teaching Mathematics for Equity, Agency, and Empowerment.* (2017). Presentation at the Bowling Green Council of Teachers of Mathematics (BGCTM), Bowling Green State University.

*A Lens on the World: Science and Math in the Reggio Inspired Classroom.* (2017). Keynote Presentation with Mandy Smith at the Ohio Voices for Learning, Inspired Teachers Institute, The Works.

*Teaching mathematics so all students love it: Using equity, listening, and creative insubordination in your classroom.* (2017). Mathematics Education Research and Doctoral Studies (MERDS) Early Career Lecture, University of Missouri.

*Connecting Early Childhood Math with Fairness and Social Justice Using Video Apps. *(2017). The Ohio State University Crane Center for Early Childhood Research and Policy, Lunch and Learn Colloquia.

*That’s not Fair: Here’s Why: Using Mathematics in the Classroom to Recognize and Confront Injustice*. (2016). Invited Office of Diversity and Inclusion Talk, The Ohio State University.

*Your slice is bigger than mine: A Pi Day dialogue on teaching mathematics through social justice. *(2015). The STEAM Factory, The Ohio State University.

# Creative Works

*Radical Cram School*. (2018). Produced and created online web series for children, parents, and educators for engaging in conversations around misogyny, racism, and oppression for Asian American children. Featured my work using equal sharing to represent (dis)proportionality in women’s wages by race/ethnicity. https://radicalcramschool.com

*MathVision.* (2017). Developed a beta website application for elementary mathematics teachers to upload, comment, and reflect on video from their classrooms. Designed to be used in elementary team meetings. Funded by an OSU EHE SEED grant with Michael Battista. http://mathvision.org (website currently deactivated)

*Pre-K Mathematics Teaching and Learning – iTunes/Coursera Online Course.* (2015). Built an online, a 13-week self-directed course specifically for teachers to learn about research-based practices for PreK through 3rd-grade mathematics utilizing only free and openly available resources. https://itunesu.itunes.apple.com/audit/COHGSYEAPUKPIT2G.

# Acquired Research Funding

2016 to 2017, Principal Investigator, The Ohio State University, Funded: Zirkle Innovation Grant, **$14,268.75**

* Establishing Innovation in Pre-K – 3 ^{rd}-Grade Teacher Preparation Using Mobile Technology *

Collaboration with Tami Augustine and Cory Tressler to develop and research the use of iPads in EDUTL 5108 Teaching and Learning Mathematics in Grades Pre-K – 3, developing an internal iTunes U course for pre-service teachers to engage in learning to teach mathematics.

2016 to 2017, Principal Investigator, The Ohio State University, Funded: OSU College of Education and Human Ecology Office of Research SEED Grant. **$47,809**

*Developing and pilot testing of an electronic environment for helping elementary teachers attend to and understand their students’ mathematical thinking*

Collaboration with Michael Battista to develop and research technology for teachers to virtually assess, interpret, and instructionally guide the development of their students’ mathematical reasoning using Cognition Based Assessment Learning Progressions.

2015 to 2017, Principal Investigator, Sokikom / The Ohio State University, Funded: Institute of Education Sciences SBIR. **$150,000**

*Fourth-grade teachers using student data to orchestrate mathematics discussion*

Developed and piloted tablet/Chromebook technology that allows an elementary teacher to instantly view the individual strategies each student uses as well as the varying levels of sophistication for each strategy during a mathematics problem solving discussion.

2014 to 2016, Principal Investigator, Sokikom / The Ohio State University, Funded: Institute of Education Sciences SBIR. **$1,050,000 **

*S3, a game-based mathematics 3 ^{rd}-grade mathematics curriculum*

Designed and implemented 2-year evaluation study of teacher-centered mathematics curriculum focusing on orchestrating discussion and listening to student mathematical thinking