Suydam, Marilyn N.

*The Shape of Instruction in Geometry: Some Highlights from Research*
**Mathematics Teacher**

v78 n6 p481-86 Sep 1985

This review of research on secondary school geometry is drawn from the NCTM publication, "Classroom Ideas from Research on Secondary School Mathematics." Considered are the following topics: goals, content, time, textbook use, activity-oriented instruction, teacher communication, homework, student characteristics, proof, problem solving, and technology.