Powell, A. B., & Lai, F.-Y. F. (in press). Understanding students' inscriptions, mathematical ideas, and reasoning: Problem solving in the online environment of VMT Chat. In G. Stahl (Ed.), *Studying virtual math teams*. New York: Springer.

Matos, J. F., Powell, A. B., & Stzajn, P. (2009). Mathematics teachers' professional development: Processes of learning in and from practice. In D. L. Ball & R. Even (Eds.), *The professional education and development of teachers of mathematics: The 15th ICMI study* (pp. 167-183). New York: Springer.

Mukhopadhyay, S., Powell, A. B., & Frankenstein, M. (2009). An ethnomathematical perspective on culturally responsive mathematics education. In B. Greer, S. Mukhopadhyay, S. Nelson-Barber & A. B. Powell (Eds.), *Culturally responsive mathematics education* (pp. 65-84). New York: Routledge.

Powell, A. B., Borge, I. C., Floriti, G. I., Kondratieva, M., Koublanova, E., & Sukthankar, N. (2009). Challenging tasks and mathematics learning. In E. J. Barbeau & P. J. Taylor (Eds.), *Challenging mathematics in and beyond the classroom: The 16th ICMI study*. New York: Springer.

Powell, A. B., & Frankenstein, M. (2006). Respecting intellectual diversity: An ethnomathematical perspective. In F. A. Rosamond & L. Copes (Eds.), *Educational transformation: A tribute to Steve Brown *(pp. 161-190). Bloomington, IN: AuthorHouse.

Powell, A. B. (1995). Forcing awareness of mathematics: Self, mind, and content in
dialogue. In Z. Davis (Ed.), *Exploring mathematics and teacher education *(pp. 78-81). Cape Town: Mathematics Education Project, University of Cape Town.

Frankenstein, M., & Powell, A. B. (1994). Toward liberatory mathematics: Paulo Freire's epistemology and
ethnomathematics. In P. McLaren & C. Lankshear (Eds.), *The politics of liberation: Paths from Freire *(pp. 74-99). London: Routledge.

Driscoll, M., & Powell, A. B. (1992). Communicating in mathematics. In C. Hedley, D. Feldman & P. Antonacci (Eds.),* Literacy across the curriculum *(pp. 247-265). Norwood, NJ: Ablex.

Frankenstein, M., & Powell, A. B. (1992). Empowering non-traditional college students: On social ideology and mathematics
education. In B. Johnston (Ed.), *Reclaiming mathematics *(pp. 188-195). Canberra, Australia: Department of Employment, Education & Training.

Powell, A. B., & Ramnauth, M. (1992). Multiple-entry logs: A writing tool for responding to, discussing, and learning
mathematics. In P. A. Malinowski & S. D. Huard (Eds.), *Perspectives on practice in developmental education *(pp. 46-49). New York: New York College Learning Skills Association.

Hoffman, M. R., & Powell, A. B. (1991). Circle expressions and equations: Multivalent pedagogical
tools. In D. Pimm & E. Love (Eds.), *Teaching and learning school mathematics *(pp. 91-96). London: Hodder & Stoughton.

Powell, A. B., & López, J. A. (1989). Writing as a vehicle to learn mathematics: A case
study. In P. Connolly & T. Vilardi (Eds.), *The role of writing in learning mathematics and science *(pp. 157-177). New York: Teachers College.

Powell, A. B. (1985/1986). Working with 'underprepared' mathematics
students. In M. Driscoll & J. Confrey (Eds.), *Teaching mathematics: Strategies that work *(2nd ed., pp. 181-192). Portsmouth, New Hampshire: Heinemann.