Dr. Stiff is a frequent speaker at state, national, and
international math education conferences. He has conducted workshops for
elementary, middle grades, high school, and college teachers of mathematics in American Samoa, Bermuda, Canada, China,
Ethiopia, Ghana, Japan,
Mexico, Puerto Rico, the
Virgin Islands, and nearly all 50 states of the United States. He is pictured here
conducting a workshop for elementary teachers in Ghana,
West Africa. In recent summers, he has conducted professional development
workshops for Atlanta Public Schools, working with elementary and middle grades
teachers of mathematics.
In addition to working with classroom
teachers, he is a popular keynote speaker at meetings that serve the
needs of school leadership, such as the National Middle School
Association, the Association for Supervision and Curriculum
Development, the National Alliance of Black School Educators, and the
Metropolitan Regional Educational Service Agency /Georgia DOE Summer
Conference, as well as school leaders of the National Council of Supervisors of
Mathematics and the National Council of Teachers of Mathematics.
''Why must so many children suffer the injustice of an inadequate
mathematics education? Especially when five consecutive years of good mathematics instruction
eliminates the achievement gap among all students.''
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