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Finding dr-vector

Keywords: Vector Calculus


Highlights of the activity

  1. This small group activity is designed to introduce $d\rr$, the key to vector calculus, as a geometric object.
  2. Students work in small groups to construct $d\rr$ in rectangular and polar coordinates.
  3. The whole class wrap-up discussion emphasizes the geometric importance of $d\rr$.

Reasons to spend class time on the activity

  • Constructs $d\rr$ in rectangular and polar coordinates.
  • Emphasizes geometric nature of $d\rr$.
  • Illustrates infinitesimal reasoning and the use of differentials.


Instructor's Guide


Student Handouts


Authors: Tevian Dray and Corinne Manogue
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