Applies the Lesh Translation Model to develop conceptual understanding by showing relationships between five modes of representation proposed by Lesh to learn multiplication of fractions. Presents five teaching activities based on the translation model. (MDH)

Describes a concerns-based approach to professional development programs designed to implement current reforms in mathematics education. Identifies seven Stages of Concern and includes a table of typical statements, expressions of concern, and intervention strategies a change facilitator can follow with teachers at each stage. (MDH)

Describes a professional development program to train math/science specialists for the upper elementary school grades. Using results from an interest survey, 30 teachers were chosen to participate in a 3-year program to become math/science specialists. Presents the teaching model used and the advantages for teachers and students in having subject…