Education
College of New Rochelle, 1956-1960, A.B., 1960, Mathematics major; Philosophy, Theology, Education minors.
Catholic University of America, 1961-1963, Mathematics, major.
University of Maryland, 1984-1988, M.A. with thesis, 1988, Mathematics education major; Mathematics, Educational Statistics minor.
University of Maryland, 1989-1995, Ph.D., 1995, Mathematics education major; Educational Statistics minor.

Diploma and Certificates
The Washington Montessori Institute, Diploma (W435) of the Association Montessori Internationale, ages 3-6+, 1972.
The Washington Montessori Institute, Diploma (WA19) of the Association Montessori Internationale, ages 6-12, 1977.
Association Montessori Internationale, Elementary Trainer Certificate, 1989.

Courses
MO 646, 647, 648, 649, 650, 651, 652, 653, 654, 655

Bio
High School teacher in mathematics, Computer Programmer for Department of Commerce and IBM, Montessori teacher for children from age 3 to age 12 (Association Montessori Internationale Diplomas for ages 3-6 and ages 6-12), Teacher trainer for the Association Montessori Internationale for children ages 6-12 (Washington Montessori Institute and Washington Montessori Institute at Loyola College in Maryland), School consultant for Montessori schools, author of journal articles for the North American Montessori Teacher’s Association and AMI Communications, keynote speaker at Montessori conferences.

Licensure
Teacher Trainer for AMI
School Consultant for AMI

Employment
Corning Public School District
Department of Commerce (Washington, DC)
IBM (Bethesda, Md)
Butler School (Montessori, Darnestown, MD)
Washington Montessori Institute
Loyola College in Maryland

Research Interests
Children’s strategies for solving problems
Use of manipulative materials to build better images of concepts and enhance comprehension
Adult development related to training as a teacher

Teaching Competence
Teaching children since 1960 in public and private schools
Teaching adults since 1977 (training for Montessori)

Professional Activities/Society Memberships
Association Montessori Internationale
North American Montessori Teacher’s Association

Articles and Chapters
Why Montessori Elementary?  Video for North American Montessori Teachers’ Association (NAMTA), 1990.
Curriculum materials and misconceptions concerning multiplication and division.  Focus on Learning Problems in Mathematics, 13(3), 1991.
Developing the mathematical mind.  The NAMTA Journal, 17(1), 1991.
Multiplication makes bigger.  Division makes smaller.  Arithmetic Teacher, 39(8), 18-21, 1993.
Some thoughts about the spiritual development of the teacher.  The NAMTA Journal, 18(1), 1993.
Second- and Third-Grade Children's Understanding of Multiplication Word Problems.  Doctoral dissertation, University Microfilms International, 1995.
The mathematical intelligence seen through the lens of the Montessori theory of the human tendencies.  The NAMTA Journal, 21(2), 98-107, 1996.
The Transmission of Human Values in the Montessori School.  AMI Communications, 1996, No. 4.
School Consultation in the United States.  AMI Proceedings of the International Trainers’ Meeting, 1997.
Mathematics and the Human Mind. AMI/USA Newsletter, 2004.

Dissertation
Young Children’s Solution Strategies for Multiplication Word Problems