Dr. Geary was a key contributor to the 1999 Mathematics Framework for California Public Schools: Kindergarten through grade twelve, and served on the President’s National Mathematics Panel , and chaired the panel’s Learning Processes task-group (2006-2008). Dr. Geary was appointed by President Bush to the National Board of Directors for the Institute for Education Sciences (U.S. Department of Education), from 2007 through 2010.
National Mathematics Advisory Panel. (2008). Foundations for Success: Final Report of the National Mathematics Advisory Panel. Washington, DC: United States Department of Education.
Geary, D. C., Boykin, A. W., Embretson, S., Reyna, V., Siegler, R., Berch, D. B., & Graban, J. (2008). Report of the task group on learning processes. In National Mathematics Advisory Panel, Reports of the task groups and subcommittees (pp. 4-1–4-211). Washington, DC: United States Department of Education.
Siegler, R., Carpenter, T., Fennell, F., Geary, D., Lewis, J., Okamoto, Y., Thompson, L., & Wray, J. (2010). Developing effective fractions instruction for kindergarten through 8th grade: A practice guide (NCEE #2010-4039). Washington, DC: National Center for Education Evaluation and Regional Assistance, Institute of Education Sciences, U.S. Department of Education.
California Department of Education. (1999). Mathematics framework for California Public Schools: Kindergarten through grade twelve. Sacramento, CA: Author.
Dr. Geary has contributed to a number of applied issues, especially as related to mathematics education. He has conducted many empirical studies of children with learning disabilities in mathematics, has developed a taxonomy of subtypes of these forms of learning disability, and has written pieces for parents and teachers on the topic, as well as an article for the Encyclopedia on Early Childhood Development.