Using these tasks can help nurture children's multiplicative notions of unit fractions beyond part-whole understanding.
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Ron Tzur, email@example.com, teaches a variety of courses and interacts with students who conduct research through master's theses or doctoral dissertations at Colorado University in Denver. He is interested in how teacher-learner interactions nurture mathematical powers in all involved.
Jessica Hunt, firstname.lastname@example.org, conducts research and teaches preservice elementary school mathematics teachers at the University of Texas at Austin. She is interested in the explication of elementary school children's development of mathematics concepts, particularly children labeled as having a learning disability.