00903cam a2200253 a 4500001000800000005001700008008004100025010001700066020001900083040001800102050002400120082001400144100002100158245012900179250001200308260005500320300004500375504006000420650004900480650002100529700002300550700002800573740004800601339860720151120194538.0890920s1990 caua b 001 0 eng  a 89018076  a978-0805303901 aDLCcPULdDLC00aQA 135.5b.B49 199000a372.72201 aBillstein, Rick.12aA problem solving approach to mathematics for elementary school teachers.cRick Billstein, Shlomo Libeskind, Johnny W. Lott. a4th ed. aRedwood City, Calif. :bBenjamin/Cummings,cc1990. axx, 945 p. :bill. (some col.) ;c25 cm. aIncludes bibliographical references (p. 933) and index. 0aMathematicsxStudy and teaching (Elementary) 0aProblem solving.1 aLibeskind, Shlomo.1 aLott, Johnny W.,d1944-0 aMathematics for elementary school teachers.