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**Research Interest
**

1) Research on learning & teaching Geometry

2) Educational technologies in the mathematics classroom

3) Mathematics teaching

4) Mathematics teacher education

**Publications**

**Manizade, A.G**., Martinovic, D. (In Progress) *Teachers’ Development of Professionally Situated Knowledge in Geometry*.

Martinovic, D., **Manizade, A. G.** (2014). *Technology as a Partner in the Classroom. *The Research Journal of Mathematics and Technology, 3 (1), ISSN 2163-0380.

**Manizade, A. G**., Mason, M. (2014). *Developing the Area of a Trapezoid.* Mathematics Teacher, 107 (7), 509-514.

Martinovic, D.,** Manizade, A. G.** (2014). *Technology as a Partner in the Geometry Classroom. *The Electronic Journal of Mathematics and Technology, 8 (2), ISSN 1933-2823.

**Manizade, A. G.**, Jacobsen, L. (2013). Providing high-quality professional development for all. In Martinez, M. V. & Castro Superfine, A. C (Eds.) *Proceedings of the 35th Conference of the International Group for the Psychology of Mathematics Education of the North American Chapter*, 825-828. Chicago, USA: PMENA.

**Manizade, A. G.**, Jacobsen, L. (2013). Access to professional development opportunities for mathematics teachers in rural USA. In Lindmeier, A.M. & Heinze, A. (Eds.) Proceedings of the 37th Conference of the International Group for the Psychology of Mathematics Education, 5, 243. Keil, Germany: PME.

**Manizade, A. G.**, Martinovic, D. (2013). PCK and TPCK: The Case of the Area of a Trapezoid. In Lindmeier, A.M. & Heinze, A. (Eds.) Proceedings of the 37th Conference of the International Group for the Psychology of Mathematics Education, 5, 118. Keil, Germany: PME.

**Manizade, A.G.**, Mason, M. (2011). Using Delphi Methodology to Design Assessments of Teachers' Pedagogical Content Knowledge. Educational Studies in Mathematics, Volume 76, Issue 2, DOI: 10.1007/s10649-010-9276-z

Yang, W., **Manizade, A. G.** (2010) Use of Dynamic Course Core to Develop Teachers’ Subject Matter Knowledge of Mathematics. The Electronic Journal of Mathematics and Technology, Volume 4, Issue 2, ISSN 1933-2823.

**Manizade, A. G.** (2009) Learning About Proof by Building Conjectures. Proceedings of the 31st Annual Meeting of the North American Chapter for the International Group for the Psychology of Mathematics Education (PME-NA), Atlanta, GA.

**Manizade, A. G.** (2009) Developing as Middle Grades Mathematics Teachers: Career Changes. Proceedings of the 31st Annual Meeting of the North American Chapter for the International Group for the Psychology of Mathematics Education (PME-NA), Atlanta, GA

**Manizade, A. G.** (2009) Delphi Method: A different Approach of Creating Measures of Professional Knowledge for Teaching. Proceedings of the 31st Annual Meeting of the North American Chapter for the International Group for the Psychology of Mathematics Education (PME-NA), Atlanta, GA.

Che, S.M., Spearman, M., & **Manizade, A.** (2009) Constructive disequilibrium: cognitive and emotional development through dissonant experiences in less-familiar destinations. In R. Lewin (Ed.), Handbook of Practice and Research in Study Abroad: Higher Education and the Quest for Global Citizenship. New York, NY: Routledge.

**Manizade, A.G.** (2009). New Mathematical Dimensions: Adam’s Story. Understanding Our Gifted, (vol. 21, 2) Boulder, CO.

**Manizade, A.G.** (2005), editors Stohl, H., & Harper, S.R. Technology Tips: Create a Basic Interactive Classroom Application Using Programming in Mathematics Classrooms. Mathematics Teacher, (vol. 98, 5) NCTM Journal, Reston, VA. (p. 344-347)

Cory, B., **Manizade, A.G.**, Sharp, B., Steckroth, J., & Garofalo, J. (2004). A New Look at Geometer's Sketchpad: Teaching Area Across Grade Levels. School Science and Mathematics Journal, (vol 104, 5) Columbus, OH. (p. 233-237)

**Manizade, A. G.** (2003). Using New Interactive Flash Mathematics Software that Promotes Proportional Reasoning. Proceedings of the Society for Information Technology and Teacher Education, (vol. 4) Albuquerque, NM. (p. 2939-2941)

**Manizade, A. G.** (2002) Using Fathom Software in a Mathematics Classroom. http://www.teacherlink.org/content/math/activities/fathom.html University of Virginia Center for Technology and Teacher Education, Charlottesville, VA.

**Presentations**

**Refereed International and National**

Manizade A. G., Martinovic D., (November, 2014). *Developing a Dynamic Instrument for Assessing Teachers’ Professionally Situated Knowledge of Geometry.* Session presented at the Annual North American GeoGebra Conference, Toronto, Canada.

Martinovic D., Manizade A. G., (November, 2014). *Teachers Evaluating Dissections as an Approach to Calculating Area of Trapezoid: Exploring the Role of Technology. *Session presented at the Annual North American GeoGebra Conference, Toronto, Canada.

Manizade A. G., Martinovic, D., Jacobsen, L. (November, 2014). *Impacting High School Mathematics Teachers' Knowledge and Practice. *Session presented at the meeting of the National Council of Teachers of Mathematics, Richmond, VA

Jacobsen, L., Manizade A. G., (September, 2014). *Secondary Mathematics Professional Development Center*. Session presented at the United States Department of Education, Math and Science Partnership Annual Conference, Washington, DC.

Manizade, A. G., Martinovic, D., (July, 2014). *Profiles of Teachers’ Professionally Situated Knowledge in Geometry.* Session presented at the International Group of the Psychology of Mathematics Education (PME), Vancouver, Canada.

Jacobsen, L., Manizade A.G., (September, 2013). *Secondary Mathematics Professional Development Center*. Session presented at the United States Department of Education's Math and Science Partnership 2013 Conference, Washington, DC.

Manizade, A.G., Martinovic*, *D*., *(July, 2012).* Identifying Cognitively Appropriate Technological Tasks Based on Student’s Level of Geometric Thinking*. Session presented at the International Congress of Mathematical Education, Seoul, Korea.

Manizade, A.G., Martinovic*, *D*., *(July, 2012).* Unfolding Pedagogic Strategies in Dynamic Mathematics Software Use . *Session presented at the International Congress of Mathematical Education, Seoul, Korea.

Manizade, A.G., Mason*, *M.,(July, 2012).* Challenge for all: Area of a Trapezoid*. Session presented at the International Congress of Mathematical Education, Seoul, Korea.

Manizade, A. G., Jacobsen, L., (January, 2012). *Using On-line Reflective Journals as a Way to Observe Changes in Teachers' Professionally Situated Mathematical Knowledge. *Session presented at the United States Department of Education's Math and Science Partnership 2012 Conference, New Orleans, LA.

Manizade, A.G., Mason, M., (paper accepted/unable to attend) *Choosing Technology Applications: Considering Students’ Mathematical Developmental Backgrounds*. Session prepared for the 2011 Asian Technology Conference in Mathematics, Bolu, Turkey.

Manizade, A.G., Mason, M., (April, 2011). *Designing Assessments of Teachers’ Professionally Situated Knowledge*. Session presented at the Annual Meeting of American Educational Research Association (AERA), New Orleans, LA.

Yang, W., Manizade, A. G., (October 2010). *Developing Content Knowledge for Teaching*. Session presented at the 32nd Annual Conference of the North American Chapter of the International Group for the Psychology of Mathematics Education (PME-NA), Columbus, Ohio.

Manizade, A. G., (July, 2010). *Choosing GeoGebra Applications Most Appropriate for Teacher’s Current Geometry Classroom: Pedagogical Perspective. *Session presented at the Annual Meeting of North American GeoGebra Conference, Ithaca, NY.

Manizade, A. G., (September, 2009). *Interview Session. *Session presented at the31st *A*nnual Meeting of the Psychology of Mathematics Education, Atlanta, GA

Manizade, A.G., (July, 2008)*Developing Rubrics & Measures for Evaluation of Mathematics Teachers Pedagogical Content Knowledge of Geometry & Measurement at the Lower Secondary Level: Delphi Study*. Session presented at the Annual Meeting of International Congress on Mathematical Education (ICME), Monterrey, Mexico.

Che, S.M., Manizade, A., (October, 2007). *What about the Other Half? Mathematical Thinking and the GED.* Paper presented at the 29th Annual Conference of the North American Chapter of the International Group for the Psychology of Mathematics Education (PME-NA), Lake Tahoe, NV.

Manizade, A. G., Che, S. M., (July, 2007). *Creating E-portfolio to Collect and Present the Evidence of Preservice Teachers’ Content Knowledge and Pedagogical Content Knowledge Growth at the Secondary Level*. Session presented at the 8th International Conference on Technology in Mathematics Teaching (ICTMT), Hradec Králové, Czech Republic.

Manizade, A.G., (March, 2007). *Teachers’ Pedagogical Content Knowledge of Geometry and Measurement.* Paper presented at the Annual Meeting of th**e **National Council of Teachers of Mathematics (NCTM), Atlanta, GA.

Manizade, A. G., (July, 2006). *New Mathematical Dimensions.* Session presented at the Third International Conference on the Teaching of Mathematics (ICTM), Istanbul, Turkey.

Manizade, A. G., (April, 2004). *Geometry teaching: Where is the research?* Session presented at the Annual Meeting of the National Council of Teachers of Mathematics (NCTM), Philadelphia, PA.

Manizade, A. G., (November, 2003). *Exploring Geometry Using Flash-based Applications. *Session presented at the meeting of the National Council of Teachers of Mathematics (NCTM), Charleston, SC.

Timmerman, M., Garofalo, J., Cory, B., Manizade, A.G., Sharp, B., (January, 2003). *Mathematics and Handheld Devices*. Session presented at the Annual Meeting of the Association of Mathematics Teacher Educators (AMTE), Atlanta, GA.

Garofalo, J., Sharp, B., Cory, B., Manizade, A.G., (January, 2003*). Developing and Using Flash 5 Applications to Teach Fraction Concepts.* Session presented at the Annual Meeting of the Association of Mathematics Teacher Educators (AMTE), Atlanta, GA.

Vasques-Levy, D., Manizade, A.G., (February, 2002). *Technology Initiatives in Professional Development.* Discussant report presented at the Annual Meeting of American Educational Research Association (AERA), New Orleans, LA.

**Invited Presentations**

Manizade, A.G., (May, 2013). *Radford Child Development Center*. Invited Presentation at the Smart Beginnings Annual Meeting, Radford, VA.

Manizade, A. G., Jacobsen, L., (March, 2012). *Secondary Mathematics Professional Development Center. *Invited Presentation at the Virginia Council of Mathematics Supervisors, Richmond, VA.

Clay, P., Che, S. M. Manizade, A. G., Mello, N., & Spearman, M., (March, 2010). *Constructive Disequilibrium: Do the ends justify the means?* Invited Presentation at the Forum on Education Abroad Standards of Good Practice Institute beyond the Basics of Health, Safety and Security, Charlotte, NC.

Manizade, A.G., (February, 2008). *Training Mathematics Specialists & Measuring Teachers' Professional Growth.* Invited Presentation at the Research Consortium at the Illinois State University, Normal, IL.

Manizade, A.G., (August, 2007). *Designing Measures for Assessing Teachers' Pedagogical Content Knowledge of Geometry and Measurement at the Middle School Level (Research Report).* Invited Presentation at the Conference Pre-Sessions, TEAM MATH: East Alabama Partnership for Improving Mathematics Education, Tuskegee, AL.

**State and Local Presentations**

Manizade, A.G., Jacobsen, L., Younes, R., (October, 2014). *Creating Patterns and Describing Them Algebraically.* Session presented at the Annual Mathematics Day, Williamsburg, VA.

Manizade, A.G., Jacobsen, L., Brady S., Dickerson, P., (March, 2012). *Lessons Learned: Radford University Mathematics & Science Partnership Project.* Session presented at the Virginia Council of Teachers of Mathematics, Roanoke, VA.

Manizade, A. G., Jacobsen, L., (March, 2011). *Teaching Algebra, Functions, and Data Analysis (AFDA) *(9-12) Session presented at the Virginia Council of Teachers of Mathematics, Richmond, VA.

Manizade, A. G., (September, 2009). *Making Connections between Algebra & Geometry*. Session Presented at the Virginia State Algebra and 21st Century Connections: Implications for Instruction, Richmond, VA.

Manizade, A. G., (October, 2006). *Classroom Implications of Theories of Geometry Learning and Teaching. *Session presented at the South Carolina Council of Teachers of Mathematics, Myrtle Beach, SC.

Che, S.M., Manizade, A. G., (October, 2006).* Identity, Dispositions, and Avenues for Change. *Session presented at the South Carolina Association of Teacher Educators, Myrtle Beach, SC.

Manizade, A.G., (September, 2004). *Teaching Geometry in the middle School: Applying van Hiele’s Theory.* Session presented at Stafford Mathematics Teachers’ Meeting, Stafford, VA.

Manizade, A. G., (March, 2004). *Mathematics and Flash Programming: Working With Gifted Students*. Session presented at the Institutes in Academic Diversity 2004: Best Practice Institute for Special Educators, Charlottesville, VA.

Manizade, A.G., (March, 2003). *Teaching Children Rational Numbers through Flash Programming.* Session presented at the annual meeting of the Virginia Council of Teachers of Mathematics, Richmond, VA.

Manizade, A. G., (March, 2002). *Using Fathom in a Secondary Mathematics Classroom*. Session presented at the Virginia Council of Teachers of Mathematics, Manassas, VA.

Manizade, A.G., (October, 2000). *Equations and Graphing Calculators in a Standards of Learning (SOL) Related Algebra Course*. Session presented at the Peninsula Council of Teachers of Mathematics, Hampton, VA.

Manizade, A.G., (August, 2000). *Using Graphing Calculator When Introducing Functions.* Session presented at the local Eisenhower Conference for 4-5th grade Mathematics Teachers, Williamsburg, VA.

Manizade, A.G., (Spring, 1999). *Real World Problems in Teaching Functions in Algebra and Precalculus Courses.* Session presented at the local Eisenhower Conference for High School Mathematics Teachers, Williamsburg, VA