Use of prepartitioned models is proposed to help students construct a meaningful concept of fractions. Partitioning, geometric shapes as fractional models, concepts related to successful partitioning, and other benefits from partitioning experiences are discussed. Sample activities are suggested. (CW)

Presents an analysis of the question in the title which involves a discussion of fractions, number theory, and probability through modeling, exploring, and other mathematical connections. (MKR)

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)

A project developed and tested articulation and instructional models for an electronics program in secondary schools. Two nontraditional methods of instruction were used: (1) computer-assisted video and (2) video, laboratory, and recitation. Electronic theory was taught at the student's home high school; laboratory exercises were completed at…