By Sue Tinsley Mau

This PDF file presents chapter 21 of The Learning of Mathematics: 69th NCTM Yearbook in a downloadable file that preserves the design and layout of the book while allowing users to search and print selected pages.

Chapter 21: Under the Microscope: Looking Closely at One’s Own Teaching and Learning. While Sue Tinsley Mau (Indiana State University – Purdue University Fort Wayne) was participating in a study in which she was being videotaped by two of her colleagues, who were researching what students were doing to make sense of mathematics in Mau’s mathematics classroom, she found herself worrying about "looking lost," or what the students might call "clueless." That is, she worried that when a student offered her or his thinking, she might not know what to do with it and that her (hopefully temporary) intellectual surprise may lead students to think she did not know what she was doing. As a result of her reflecting on how she was helping her students to make sense of the mathematics, Mau wrote this article in which she describes three learning experiences—one for herself and two for her students.

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