AU - ABBOTT,JANET S. AU - WELLS,DAVID W. TI - MATHEMATICS TODAY T2 - MATHEMATICS TODAY SN - 0153500387 U1 - 510/ABB PY - 1987/// CY - FLORIDA, USA PB - HARCOURT BRACE JOVANOVICH, PUBLISHERS KW - MATHEMATICS KW - TEXTBOOK KW - ADDITION KW - SUBTRACTION KW - MULTIPLICATION KW - DIVISION KW - DECIMALS KW - EQUATIONS KW - FRANCTION KW - RATIO KW - PERCENT KW - MEASUREMENT KW - GEOMETRY KW - PERIMETER, AREA, VOLUME KW - STATISTICS KW - INTEGERS ER -