Overview: - Assessing Mathematical Knowledge in a Learning Space.- ALEKS Based Placement at the University of Illinois.- A Potential Technological Solution in Reducing Achievement Gap Between White and Black Students.- Is There a Relationship Between Interacting with a Mathematical Intelligent Tutoring System and Students Performance on Standardized High-Stake Tests?.- Using Knowledge Space Theory To Assess Student Understanding of Chemistry.- Mathematical Compendium.- Heuristics for Generating and Validating Surmise Relations across, between, and within Sets.- Recent Developments in Competence-based Knowledge Space Theory.- Recent Developments in Performance-based Knowledge Space Theory.- Skills, Competencies and Knowledge Structures.- Learning Sequences.- Index.- Reference.