This monograph presents 13 papers dealing with various aspects of elementary problem solving. They are: (1) "Training for Effective Problem Solving" (Gary A. Davis); (2) "Patterns of Problem Solving--A Campus-Wide Course at UCLA" (Moshe F. Rubinstein, L. Robin Keller, Edward A. Kazmarek); (3) "A Taxonomy of Problem-Solving Activities and Its Implications for Teaching" (H. L. Plants, R. K. Dean, J. T. Sears, W. S. Venable); (4) "What Is the Problem in Teaching Problem Solving" (Donald R. Woods, Cameron M. Crowe, Terrence W. Hoffman, Joseph D. Wright); (5) "Structure and Process in Problem Solving" (Maynard Fuller, Geza Kardos); (6) "Solving Physics Problems" (J. L. Aubel); (7) "Engineering Student Problem Solving" (Lois B. Greenfield); (8) "A Backward-Reasoning Model of Problem Solving" (D. L. Marples); (9) "Learning Skills as an Overplay in Elementary Calculus" (Jeffrey M. Brown); (10) "Learning Skills" (P. J. Black, Joan Bliss, Barbara Hodgson, Jon Ogborn, P. J. Unsworth); (11) "Learner and Instructional Variables Affecting Problem Solving" (Jerry K. Stonewater); (12) "The Representation and Solutions of Problems in Applied Mathematics: An Artificial Approach" (George F. Luger, Alan Bundy, Martha Palmer); and (13) "Problem Solving in Physics or Engineering: Human Information Processing and Some Teaching Suggestions" (F. Reif). (JN)