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Doerr, Helen M.; Rieff, Cathieann; Tabor, Jason – Mathematics Teaching in the Middle School, 1999
Many students have difficulties in interpreting position versus time graphs. Presents an activity involving calculator-based motion labs that allows students to bring these graphs to life by turning their own motion into a graph that can be analyzed, investigated, and interpreted in terms of how they actually moved. (ASK)
Descriptors: Data Interpretation, Educational Technology, Graphing Calculators, Graphs
Peer reviewed Peer reviewed
Doerr, Helen M.; Zangor, Roxana – Educational Studies in Mathematics, 2000
Describes how the meaning of a tool was constructed by students and their teacher, and how students used the tool to construct mathematical meaning out of particular tasks through a qualitative classroom-based study. Suggests that the nature of the mathematical tasks and the role, knowledge, and beliefs of the teacher influenced the emergence of…
Descriptors: Calculus, Educational Technology, Graphing Calculators, Knowledge Base for Teaching