Describes the method of having children observe videotapes of other children's mathematics activities to gain insights into the observing children's thought processes and the observed children's activities. Discusses the applications of this method as a research tool and as a probe for classroom teachers in evaluating students. (MDH)

A mapping procedure based on the SOLO Taxonomy developmental model was used to classify the problem-solving strategies of students (n=34) in grades K-2. Only one multiplication problem was used to isolate three components of the problem-solving procedure. (MDH)