TY - BOOK AU - Pyrczak,Fred TI - Survival math skills AV - QA11.P998.S878 1998 PY - 1998/// CY - Portland, Maine PB - J. Weston Walch KW - Mathematics KW - Study and teaching KW - Arithmetic KW - Remedial teaching N1 - Grades 7-12; 2 ER -