摘要: Contents: Introduction. S.V. Goldman, J.G. Greeno, Thinking Practices: Images of and Learning in Education. Part I: Participation Identity Practice. M.K. Stein, E.A. Silver, M.S. Smith, Mathematics Reform Teacher Development: A Community Practice Perspective. M. Lampert, Studying Teaching as a J. Trajectories Practice: Some Dynamic Aspects for the Practices Teaching, Educational Design, Research. L. Godfrey, R.P. Moses, M.C. O'Connor, The Missing Data Point: Negotiating Purposes Classroom Science. S.L. Star, Leaks Experience: Link Between Science Knowledge. P. Eckert, Entitled to Know. II: Accomplishing Practices. A.A. diSessa, Minstrell, Cultivating Conceptual Change With Benchmark Lessons. A. Rubin, R. Hall, ...There's Five Little Notches Here: Dilemmas Conventional Structure Rate. G.B. Saxe, S.R Guberman, Emergent Arithmetical Environments Context Distributed Problem Solving: Analyses Children Playing an Game. S. Researching Revisiting Curriculum. Lynch, D. Macbeth, Demonstrating Physics A.H. Schoenfeld, Making Pasta From Cookbook Procedures Really Cooking. McDermott, V. Webber, When Is Math or Science? A.L. Brown, Ellery, J.C. Campione, Creating Zones Proximal Development Electronically. Riel, Communities Through Computer Networking. Collins, Communities: Commentary on Papers by Riel.