Oscar Chavez

He is married to Marcela, with whom he has a son, Alejandro, and a daughter, Julia.

Currently he is an assistant professor at the Department of Learning, Teaching, and Curriculum, College of Education, University of Missouri. Starting in the fall of 2012, he will be an associate professor at the Department of Mathematics, University of Texas at San Antonio.

Chval, K. B. & Chávez, O. (2011). Designing mathematics lessons for English language learners. Mathematics Teaching in the Middle School, 17(5), 261–265.

Ross, D., Reys, R., Chávez, O., McNaught, M., & Grouws, D. (2011). Student strategy choices on a constructed response algebra problem. School Science and Mathematics, 111(8), 389–398.

Chávez, O. (2011). Lessons Learned in Evaluating High School Mathematics Curriculums. AEA365 (February, 2011). [http://aea365.org/blog/?p=2592]

Chávez, O. (2010). A single fold stunt. Arkansas Council of Teachers of Mathematics Newsletter 7(3). 15–17

Chval, K., Chávez, O., Reys, B., & Tarr, J. (2009). Considerations and Limitations Related to Conceptualizing and Measuring Textbook Integrity. In J. Remillard, G. Lloyd, & B. Herbel-Eisenmann (Eds.). Mathematics teachers at work: Connecting curriculum materials and classroom instruction.

Chval, K., Chávez, O., Pomerenke, S., & Reams, K. (2009). Enhancing Mathematics Lessons to Support All Students. In Mathematics for All: Instructional Strategies for Diverse Classrooms. Reston, VA: NCTM.

Tarr, J. E., Reys, R., Reys, B., Chávez, O., Shih, J., & Osterlind, S. (2008). The impact of middle school mathematics curricula on student achievement and the classroom learning environment. Journal for Research in Mathematics Education, 39(3), 247-280.

Chval, K. B., Reys, R. E., Reys, B. J., Tarr, J. E., & Chávez, O. (2006). Pressures to improve student performance: A context that both urges and impedes school-based research. Journal for Research in Mathematics Education, 37(3), 158-166.

Tarr, J. E., Chávez, O. Reys, R. E., Reys, B. J. (2006). From the written to the enacted curricula: The intermediary role of middle school mathematics teachers in shaping students’ opportunity to learn. School Science and Mathematics, 106(4), 191-201.

Chávez, O. (2006). From the textbook to the enacted curriculum. In S. Alatorre, J. L. Cortina, M. Sáiz, & A. Méndez (Eds.) (2006). Proceedings of the 28th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. Mérida, México: Universidad Pedagógica Nacional.

Chávez, O., Reys, R., & Jones, D. (2005). Spatial visualization: What happens when you turn it? Mathematics Teaching in the Middle School, 11, 190-196.

Tarr, J. E., Chávez, O., Appova, A., Regis, T. P. (2005). Discordant implementation of mathematics curricula by middle school teachers. In G. M. Lloyd, M. Wilson, J. L. M Wilkins, & S. L. Behm (Eds.), Proceedings of the Twenty-Seventh Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education (pp. xxx-xxx). ERIC Clearinghouse for Science, Mathematics, and Environmental Education: Roanoke, Virginia.

Reys, B., Reys, R., & Chávez, O. (2004) Why mathematics textbooks matter. Educational Leadership, 61(5), 61–66.

Reys, B., Chávez, O., & Reys, R. (2003). Middle school mathematics curriculum: A guide for principals. Principal Leadership, 3(7), 61–66.

Chávez, O. (2003). From the textbook to the enacted curriculum: Textbook use in the middle school mathematics classroom. Unpublished doctoral dissertation, University of Missouri—Columbia.

Reys, R. & Chávez, O. (2002). Do you see what I see? Mathematics Teaching in the Middle School, 8, 163-168.

Chávez, O., Escalera, A., & Hubard, I. (2002) Matemáticas 1. Mexico City: Editorial Santillana. (Seventh grade mathematics textbook, in Spanish, to be used in schools in Mexico).

Chávez, O., & Ragan, G. (2002). Fractals. In B. M. Brandenberger, Jr., (Ed.), Mathematics. New York: Macmillan Reference.

Ragan, G. A., & Chávez, O. (2002). Benoit Mandelbrot. In B. M. Brandenberger, Jr., (Ed.), Mathematics. New York: Macmillan Reference.

Boletín de FICOM (Alfaro, J., Bosch, C., Chávez, O., Escalera, A., & González, M., Eds.) (Available at http://www.missouri.edu/~chavezo/ficom), Newsletter for Spanish-speaking junior high-school mathematics teachers involved in mathematics clubs or mathematics competitions, published during 2000 and 2001.

Thomas, G. & Finney R. (1997). Cálculo y Geometría Analítica (O. Chávez, Trans.) Mexico City: Addison Wesley Longman. (Original work, Calculus and Analytic Geometry, 9 ed., published 1996)

Cho, Y. H., Ding, N., Chávez, O., Tawfik, Chen, W. (2011) Design of Collaborative Concept Mapping Activities for Mathematics Preservice Teachers. Annual Meeting of the American Educational Research Association, New Orleans, LA. April 2011.

Chávez, O., Papick, I., Ross, D., & Grouws, D. A. (2010). The essential role of curricular analyses in comparative studies of mathematics achievement: Developing “fair” tests. Annual Meeting of the American Educational Research Association, Denver, CO. April 2010.

Shih, J., Tarr, J, & Chávez, O. (2010). How many classroom observations are sufficient? Empirical findings in the context of a longitudinal study. Annual Meeting of the American Educational Research Association, Denver, CO. April 2010.

Tarr, J., Ross, D., McNaught, M., Chávez, O., Grouws, D., Reys, R., Sears, R. & Taylan, R. D. (2010) Identification of Student- and Teacher-Level Variables in Modeling Variation of Mathematics Achievement Data. Annual Meeting of the American Education Research Association, Denver, CO. April 2010.

Chávez, O. & Ross, D. (2010). Probing understanding: What can we learn from students’ responses in large scale assessments? National Council of Teachers of Mathematics Annual Conference. San Diego, CA. April 2010.

Chávez, O. (2010). Probing understanding: What can we learn from students’ responses in large scale assessments? Mathematics Education MSTI (Math & Science Teacher Initiative) Colloquia Series. California State University—Long Beach. Long Beach, CA. April 2010.

Chávez, O., Tarr, J. E., Grouws, D. A., Reys, R., Ross, D., McNaught, M. D., Sears, R., & Papick, I.(2010). Design recommendations for improving research on curricular effectiveness. Research Pre-session of the Annual Meeting of the National Council of Teachers of Mathematics. San Diego, CA. April, 2010.

Chávez, O., Grouws, D.A., Tarr, J. E., Ross, D., & McNaught, M. (2009). Mathematics Curriculum implementation and Linear Functions in Secondary Mathematics: Results from the Comparing Options in Secondary Mathematics Project. Annual Meeting of the American Educational Research Association, San Diego, CA, April 2009.

Tarr, J. E., Grouws, D. A., Chávez, O., McNaught, M. D., Huey, M., & Ross, D. (2009). Characterizing high school mathematics teachers' curriculum implementation. Research Presession of the Annual Meeting of the National Council of Teachers of Mathematics. Washington, DC. April, 2009.

Chávez, O. (2009) Using GeoGebra in Secondary Mathematics. Presentation at the Interface Professional Development Event. Osage Beach, Missouri. February, 2009.

Chávez, O. (2009). Using GeoGebra in an online course on technology. Association of Mathematics Teacher Educators, Thirteenth Annual Conference. Orlando, FL. February, 2009.

Chávez, O. (2008). GeoGebra in K-12 classrooms. Presentation at the Missouri Council of Teachers of Mathematics Fall Meeting. Columbia, Missouri. December, 2008.

Chávez, O. (2008) Dynamic Geometry: GeoGebra. Presentation at the Interface Professional Development Event. Osage Beach, Missouri. February, 2008.

Chávez, O., Ross, D., & Papick, I. (2007). Comparing Algebra 1 and Core-Plus Course 1: The Concept of Slope. Presentation at the Missouri Council of Teachers of Mathematics Fall Meeting. Columbia, Missouri. December, 2007.

Shih, J., Tarr, J. E., & Chávez, O. (2007). Examining the influence of NSF curricula and Standards-based learning environment on content specific mathematics achievement. Annual Meeting of the American Educational Research Association, Chicago, IL, April 2007.

Chávez, O. & Chval, K. (2007). Considerations and Limitations Related to Conceptualizing and Measuring Textbook Integrity. Annual Meeting of the American Educational Research Association, Chicago, IL, April 2007.

Chval, K. & Chávez, O. (2007) Videotaping Classrooms Using Head-Mounted Cameras on Students. Annual Meeting of the American Educational Research Association, Chicago, IL, April 2007.

Chávez, O., Papick, I., & Ross, D. (2007). Algebra I and Core-Plus Mathematics: How are they different? National Council of Teachers of Mathematics Annual Conference. Atlanta, GA. April 2007.

Chávez, O. (2007) Learning probability with Fathom. Presentation at the Interface Professional Development Event. Osage Beach, Missouri. February, 2007.

Chávez, O., Yoshinobu, S., & Smith, J. (2007). Inquiry-based learning in mathematics teacher education. Association of Mathematics Teacher Educators, Eleventh Annual Conference. Irvine, CA. January, 2007.

Chávez, O., Papick, I., & Ross, D. (2006). Content Analysis of Secondary Mathematics Textbooks for the COSMIC project. Presentation at the Missouri Council of Teachers of Mathematics Fall Meeting. Columbia, Missouri. December, 2006.

Chávez, O., Papick, I., & Ross, D. (2006). Content Analysis of Secondary Mathematics Textbooks for the COSMIC project. School Science and Mathematics Association Annual Meeting, Missoula, MT. November, 2006.

Tarr, J. E., Reys, B. J., Chávez, O., Regis, T., & Appova, A. (2006). The relationship between students' achievement and mathematics curricula. National Council of Teachers of Mathematics Annual Conference. Saint Louis, MO. April 2006.

Tarr, J. E., Reys, R. E., Chávez, O., & Shih, J. (2006). A longitudinal study of mathematics curriculum and student achievement. Research Pressession of the National Council of Teachers of Mathematics Annual Conference. Saint Louis, MO. April 2006.

Tarr, J. E., Chávez, O., Regis, T., & Appova, A. (2006). Fidelity of implementation: Linking student achievement and mathematics curriculum. National Council of Supervisors of Mathematics Annual Conference. Saint Louis, MO. April 2006.

Shih, J., Chávez, O., Tarr, J. E., Reys, R. E., & Reys, B. J. (2006). Design, data, and analysis issues in evaluating mathematics curricula. Annual Meeting of the American Educational Research Association. San Francisco, CA. April, 2006.

Shih, J., Reys, R. E., Reys, B., Tarr, J. E., & Chávez, O. (2006). Using Hierarchical Linear Modeling to analyze mathematics achievement data: An illustrative example. The Thirty-third Annual Meeting of the Research Council on Mathematics Learning. Las Vegas, NV. February, 2006.

Windmiller, M. & Chávez, O. (2005) Teaching place value: The Montessori way. Presentation at the Missouri Council of Teachers of Mathematics Fall Meeting. Columbia, Missouri. December, 2005.

Chávez, O. (2005) Learning probability with Fathom. Presentation at the Missouri Council of Teachers of Mathematics Fall Meeting. Columbia, Missouri. December, 2005.

Tarr, J. E., Chávez, O., Appova, A., & Regis, T. P. (2005). Discordant implementation of mathematics curricula by middle school teachers. Twenty-Seventh Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. Roanoke, Virginia. October, 2005.

Reys, B. & Chávez, O. (2005). What Role do Textbooks Play in Influencing Teachers’ Decisions and Actions? National Council of Teachers of Mathematics Annual Meeting. Anaheim, California. April, 2005.

Tarr, J. E., Reys, R., & Chávez, O. (2005). The Impact of Middle Grades Mathematics Curricula on Students’ Learning. National Council of Teachers of Mathematics Annual Meeting. Anaheim, California. April, 2005.

Reys, R., Reys, B., Tarr, J. E. & Chávez, O. (2005). Mathematics Textbooks, Teachers, and Students: Findings from a Study of NSF and Non-NSF Mathematics Curriculum Materials on Student Achievement. National Council of Supervisors of Mathematics Annual Conference. Anaheim, California. April, 2005.

Tarr, J. E., Reys, R., Reys, B. & Chávez, O. (2005). Middle School Mathematics Study of Textbooks, Teachers, and Students. Research Pre-session of the National Council of Teachers of Mathematics Annual Meeting. Anaheim, California. April, 2005.

Gay, S., Bergthold, T., Chávez, O., & Hendrix, T. (2005). Issues for Early Career Mathematics Teacher Educators: A Discussion for New Faculty, Doctoral Students, and Others. Association of Mathematics Teacher Educators Ninth Annual Conference. Dallas, Texas. January, 2005.

Niess, M., Garofalo, J., Driskell, S., Pugalee, D., & Chávez, O. (2005). Preparing Mathematics Teachers to Teach with Technology. Pre-conference workshop, Association of Mathematics Teacher Educators Ninth Annual Conference. Dallas, Texas. January, 2005.

Leitzel, J., Lewis, J., McCallum, B., & Chávez, O. (2004). Successful institutional collaborations between mathematics faculty and mathematics education faculty. The Mathematical Preparation of Middle School Mathematics Teachers Conference. St. Louis, Missouri. September, 2004.

Reys, R., Tarr, J. E., & Chávez, O. (2004). Do textbooks matter? Findings from a study of NSF and non-NSF mathematics curriculum materials. National Council of Supervisors of Mathematics Annual Conference. Philadelphia, PA. April 2004.

Reys, R., Tarr, J. E., Chávez, O., Shafer, M., Kulm, G., Thompson, D. (2004). Impact of Standards-based Middle School Mathematics Curricula: Three Studies. Research Pre-session of the National Council of Teachers of Mathematics Annual Conference. Philadelphia, PA. April 2004.

Chávez, O, Reys, R., Reys, B., & Tarr, J. E. (2004). Middle School Mathematics Study of textbooks, teachers and students. Research Session of the National Council of Teachers of Mathematics Annual Conference. Philadelphia, PA. April 2004.

Chávez, O. (2003). Using standards-based curricula in the middle grades: What can go wrong? Presentation at the Missouri Council of Teachers of Mathematics Fall Meeting. Columbia, Missouri. December, 2003.

Chávez, O. (2003). Geometry, Technology, and the Reasoning and Proof Standard with the Geometer's Sketchpad. Presentation at the Missouri Council of Teachers of Mathematics Fall Meeting. Columbia, Missouri. December, 2003.

Tarr, J. & Chávez, O. (2003). Middle School Mathematics Study. Presentation at the Show-Me Researchers Workshop. Columbia, Missouri. May, 2003.

Chávez, O. (2003). Promoting Algebraic Thinking in the Middle-Grades Using Spreadsheets. Computer Workshop at the National Council of Teachers of Mathematics Annual Meeting. San Antonio, Texas. April, 2003.

Chávez, O. (2002). Promoting Algebraic Thinking in the Middle-Grades Using Spreadsheets. Presentation at the Missouri Council Teachers of Mathematics Fall Conference. Columbia, Missouri. December, 2002.

Chávez, O. (2002). Geometry, Technology, and the Reasoning and Proof Standard in the Middle Grades with the Geometer's Sketchpad. Presentation at the National Council of Teachers of Mathematics Regional Meeting. Paducah, Kentucky. October, 2002.

Chávez, O. (2001). The Reasoning and Proof Standard Across the Grade Levels. Presentation at the School Science and Mathematics Association 100th Anniversary Meeting. Chicago, Illinois. November, 2001.

Chávez, O. (2000). Show Me the Proof! Presentation at the Missouri Council of Teachers of Mathematics Fall Conference. Columbia, Missouri. December, 2000.

Chávez, O. & Taylor, M. (2000). Show-Me the Math! Standards-based Middle Grades Mathematics Curricula. Presentation at the Pennsylvania Governor's Institute for Mathematics Educators, State College, Pennsylvania. July, 2000.

Chávez, O. (1999). Mathematics Competitions as Means to Promote Math Among Junior High School Students in Latin America. Presentation at the National Council Teachers of Mathematics Regional Meeting. Great Falls, Montana. March, 1999.