A problem solving approach to mathematics / Rick Billstein, Shlomo Libeskind, Johnny W. Lott. Mathematics Billstein, Rick. 8933 Billstein, Rick. 8933 Billstein, Rick. Problem solving approach to mathematics for elementary school teachers. 8th ed. 8935 Mathematics Study and teaching (Elementary) 8934 Problem solving. 1162 QA135.6 .B55 1987 372.7 21 Eighth ed. also published under title: A problem solving approach to mathematics for elementary school teachers. Includes bibliographical references and index. Boston : Pearson/Addison-Wesley, c1987. c1987. 2004 Text xix, 782 p. : eng